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Honda Element diagnostic codes

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The original Honda Element Parts code list is preserved below, grouped by the existing code-family headings from the source article.

Px1xx Air-Fuel Measurement

94 entries
CodeDescriptionHonda note / applicability
P0100 Mass or volume air flow circuit malfunction General OBD-II descriptor
P0101 Mass Airflow (MAF) sensor range/performance problem Honda-specific descriptor
P0102 Mass Airflow (MAF) sensor circuit low voltage Honda-specific descriptor
P0103 Mass Airflow (MAF) sensor circuit high voltage Honda-specific descriptor
P0104 Mass or volume air flow circuit intermittent General OBD-II descriptor
P0105 Manifold Absolute Pressure/barometric pressure circuit malfunction General OBD-II descriptor
P0106 Manifold Absolute Pressure (MAP) sensor range/performance problem Honda-specific descriptor
P0107 Manifold Absolute Pressure (MAP) sensor circuit low voltage Honda-specific descriptor; Footnote 4, 5
P0108 Manifold Absolute Pressure (MAP) sensor circuit high voltage Honda-specific descriptor
P0109 Manifold Absolute Pressure/barometric pressure circuit intermittent General OBD-II descriptor
P0110 Intake air temperature circuit malfunction General OBD-II descriptor
P0111 Intake Air Temperature (IAT) sensor circuit range/performance problem Honda-specific descriptor; Footnote 7
P0112 Intake Air Temperature (IAT) sensor circuit low voltage Honda-specific descriptor
P0113 Intake Air Temperature (IAT) sensor circuit high voltage Honda-specific descriptor
P0114 Intake air temperature circuit intermittent General OBD-II descriptor
P0115 Engine coolant temperature circuit malfunction General OBD-II descriptor
P0116 Engine Coolant Temperature (ECT) sensor circuit range/performance problem Honda-specific descriptor; Footnote 6, 7
P0117 Engine Coolant Temperature (ECT) sensor circuit low input Honda-specific descriptor
P0118 Engine Coolant Temperature (ECT) sensor circuit high input Honda-specific descriptor
P0119 Engine coolant temperature circuit intermittent General OBD-II descriptor
P0120 Throttle position sensor/switch A circuit malfunction General OBD-II descriptor
P0121 Throttle position sensor/switch A circuit range/performance problem General OBD-II descriptor
P0122 Throttle Position (TP) sensor circuit low input Honda-specific descriptor; Footnote 4, 5
P0123 Throttle Position (TP) sensor circuit high input Honda-specific descriptor
P0124 Throttle position sensor/switch A circuit intermittent General OBD-II descriptor
P0125 Engine Coolant Temperature (ECT) sensor slow response Honda-specific descriptor
P0126 Insufficient coolant temperature for stable operation General OBD-II descriptor
P0128 Cooling system malfunction Honda-specific descriptor
P0130 O2 sensor circuit malfunction (Bank I Sensor 1) General OBD-II descriptor
P0131 Primary heated oxygen sensor (Primary HO2S) (sensor 1) circuit low voltage Honda-specific descriptor
P0132 Primary heated oxygen sensor (Primary HO2S) (sensor 1) circuit high voltage Honda-specific descriptor
P0133 Rear Air/Fuel Ratio (A/F) sensor (bank 1, sensor 1) circuit slow response Honda-specific descriptor
P0134 Air/Fuel Ratio (A/F) sensor (sensor 1) no activity detected Honda-specific descriptor
P0135 Primary heated oxygen sensor (primary HO2S) (sensor 1) heater circuit malfunction Honda-specific descriptor
P0136 O2 sensor circuit malfunction (Bank I Sensor 2) General OBD-II descriptor
P0137 Secondary heated oxygen sensor (secondary HO2S) circuit low voltage Honda-specific descriptor; Footnote 4, 5
P0138 Secondary heated oxygen sensor (secondary HO2S) circuit high voltage Honda-specific descriptor; Footnote 4, 5
P0139 Secondary heated oxygen sensor (secondary HO2S) slow response Honda-specific descriptor; Footnote 4, 5
P0140 O2 sensor circuit no activity detected (Bank 1 Sensor 2) General OBD-II descriptor
P0141 Secondary heated oxygen sensor (secondary HO2S) (sensor 2) heater circuit malfunction Honda-specific descriptor
P0142 O2 sensor circuit malfunction (Bank I Sensor 3) General OBD-II descriptor
P0143 Third heated oxygen sensor (third HO2S) (sensor 3) circuit low voltage Honda-specific descriptor
P0144 Third heated oxygen sensor (third HO2S) (sensor 3) circuit high voltage Honda-specific descriptor
P0145 Third heated oxygen sensor (third HO2S) (sensor 3) circuit slow response Honda-specific descriptor
P0146 O2 sensor circuit no activity detected (Bank I Sensor 3) General OBD-II descriptor
P0147 O2 sensor heater circuit malfunction (Bank I Sensor 3) General OBD-II descriptor
P0150 O2 sensor circuit malfunction (Bank 2 Sensor I) General OBD-II descriptor
P0151 O2 sensor circuit low voltage (Bank 2 Sensor I) General OBD-II descriptor
P0152 O2 sensor circuit high voltage (Bank 2 Sensor 1) General OBD-II descriptor
P0153 O2 sensor circuit slow response (Bank 2 Sensor 1) General OBD-II descriptor
P0154 O2 sensor circuit no activity detected (Bank 2 Sensor 1) General OBD-II descriptor
P0155 O2 sensor heater circuit malfunction (Bank 2 Sensor 1) General OBD-II descriptor
P0156 O2 sensor circuit malfunction (Bank 2 Sensor 2) General OBD-II descriptor
P0157 O2 sensor circuit low voltage (Bank 2 Sensor 2) General OBD-II descriptor
P0158 O2 sensor circuit high voltage (Bank 2 Sensor 2) General OBD-II descriptor
P0159 O2 sensor circuit slow response (Bank 2 Sensor 2) General OBD-II descriptor
P0160 O2 sensor circuit no activity detected (Bank 2 Sensor 2) General OBD-II descriptor
P0161 O2 sensor heater circuit malfunction (Bank 2 Sensor 2) General OBD-II descriptor
P0162 O2 sensor circuit malfunction (Bank 2 Sensor 3) General OBD-II descriptor
P0163 O2 sensor circuit low voltage (Bank 2 Sensor 3) General OBD-II descriptor
P0164 O2 sensor circuit high voltage (Bank 2 Sensor 3) General OBD-II descriptor
P0165 O2 sensor circuit slow response (Bank 2 Sensor 3) General OBD-II descriptor
P0166 O2 sensor circuit no activity detected (Bank 2 Sensor 3) General OBD-II descriptor
P0167 O2 sensor heater circuit malfunction (Bank 2 Sensor 3) General OBD-II descriptor
P0170 Fuel trim malfunction (Bank 1) General OBD-II descriptor
P0171 System too lean (Bank 1) General OBD-II descriptor
P0172 System too rich (Bank 1) General OBD-II descriptor
P0173 Fuel trim malfunction (Bank 2) General OBD-II descriptor
P0174 System too lean (Bank 2) General OBD-II descriptor
P0175 System too rich (Bank 2) General OBD-II descriptor
P0176 Fuel composition sensor circuit malfunction General OBD-II descriptor
P0177 Fuel composition sensor circuit range/performance General OBD-II descriptor
P0178 Fuel composition sensor circuit low input General OBD-II descriptor
P0179 Fuel composition sensor circuit high input General OBD-II descriptor
P0180 Fuel temperature sensor A circuit malfunction General OBD-II descriptor
P0181 Fuel temperature sensor A circuit range/performance General OBD-II descriptor
P0182 Fuel temperature sensor A circuit low input General OBD-II descriptor
P0183 Fuel temperature sensor A circuit high input General OBD-II descriptor
P0184 Fuel temperature sensor A circuit intermittent General OBD-II descriptor
P0185 Fuel temperature sensor B circuit malfunction General OBD-II descriptor
P0186 Fuel temperature sensor B circuit range/performance General OBD-II descriptor
P0187 Fuel temperature sensor B circuit low input General OBD-II descriptor
P0188 Fuel temperature sensor B circuit high input General OBD-II descriptor
P0189 Fuel temperature sensor B circuit intermittent General OBD-II descriptor
P0190 Fuel rail pressure sensor circuit malfunction General OBD-II descriptor
P0191 Fuel rail pressure sensor circuit range/performance General OBD-II descriptor
P0192 Fuel rail pressure sensor circuit low input General OBD-II descriptor
P0193 Fuel rail pressure sensor circuit high input General OBD-II descriptor
P0194 Fuel rail pressure sensor circuit intermittent General OBD-II descriptor
P0195 Engine oil temperature sensor malfunction General OBD-II descriptor
P0196 Engine oil temperature sensor range/performance General OBD-II descriptor
P0197 Engine oil temperature sensor low General OBD-II descriptor
P0198 Engine oil temperature sensor high General OBD-II descriptor
P0199 Engine oil temperature sensor intermittent General OBD-II descriptor

Px2xx Air-Fuel Measurement

97 entries
CodeDescriptionHonda note / applicability
P0200 Injector circuit malfunction General OBD-II descriptor
P0201 Injector circuit malfunction—cylinder 1 General OBD-II descriptor
P0202 Injector circuit malfunction—cylinder 2 General OBD-II descriptor
P0203 Injector circuit malfunction—cylinder 3 General OBD-II descriptor
P0204 Injector circuit malfunction—cylinder 4 General OBD-II descriptor
P0205 Injector circuit malfunction—cylinder 5 General OBD-II descriptor
P0206 Injector circuit malfunction—cylinder 6 General OBD-II descriptor
P0207 Injector circuit malfunction—cylinder 7 General OBD-II descriptor
P0208 Injector circuit malfunction—cylinder 8 General OBD-II descriptor
P0209 Injector circuit malfunction—cylinder 9 General OBD-II descriptor
P0210 Injector circuit malfunction—cylinder 10 General OBD-II descriptor
P0211 Injector circuit malfunction—cylinder 11 General OBD-II descriptor
P0212 Injector circuit malfunction—cylinder 12 General OBD-II descriptor
P0213 Cold start injector 1 malfunction General OBD-II descriptor
P0214 Cold start injector 2 malfunction General OBD-II descriptor
P0215 Engine shutoff solenoid malfunction General OBD-II descriptor
P0216 Injection timing control circuit malfunction General OBD-II descriptor
P0217 Engine overtemp condition General OBD-II descriptor
P0218 Transmission over temperature condition General OBD-II descriptor
P0219 Engine overspeed condition General OBD-II descriptor
P0220 Throttle/pedal position sensor/switch B circuit malfunction General OBD-II descriptor
P0221 Throttle/pedal position sensor/switch B circuit range/performance problem General OBD-II descriptor
P0222 Throttle/pedal position sensor/switch B circuit low input General OBD-II descriptor
P0223 Throttle/pedal position sensor/switch B circuit high input General OBD-II descriptor
P0224 Throttle/pedal position sensor/switch B circuit intermittent General OBD-II descriptor
P0225 Throttle/pedal position sensor/switch C circuit malfunction General OBD-II descriptor
P0226 Throttle/pedal position sensor/switch C circuit range/performance problem General OBD-II descriptor
P0227 Throttle/pedal position sensor/switch C circuit low input General OBD-II descriptor
P0228 Throttle/pedal position sensor/switch C circuit high input General OBD-II descriptor
P0229 Throttle/pedal position sensor/switch C circuit intermittent General OBD-II descriptor
P0230 Fuel pump primary circuit malfunction General OBD-II descriptor
P0231 Fuel pump secondary circuit low General OBD-II descriptor
P0232 Fuel pump secondary circuit high General OBD-II descriptor
P0233 Fuel pump secondary circuit intermittent General OBD-II descriptor
P0234 Engine overboost condition General OBD-II descriptor
P0235 Turbocharger boost sensor A circuit malfunction General OBD-II descriptor
P0236 Turbocharger boost sensor A circuit range/performance General OBD-II descriptor
P0237 Turbocharger boost sensor A circuit low General OBD-II descriptor
P0238 Turbocharger boost sensor A circuit high General OBD-II descriptor
P0239 Turbocharger boost sensor B malfunction General OBD-II descriptor
P0240 Turbocharger boost sensor B circuit range/performance General OBD-II descriptor
P0241 Turbocharger boost sensor B circuit low General OBD-II descriptor
P0242 Turbocharger boost sensor B circuit high General OBD-II descriptor
P0243 Turbocharger wastegate solenoid A malfunction General OBD-II descriptor
P0244 Turbocharger wastegate solenoid A range/performance General OBD-II descriptor
P0245 Turbocharger wastegate solenoid A low General OBD-II descriptor
P0246 Turbocharger wastegate solenoid A high General OBD-II descriptor
P0247 Turbocharger wastegate solenoid B malfunction General OBD-II descriptor
P0248 Turbocharger wastegate solenoid B range/performance General OBD-II descriptor
P0249 Turbocharger wastegate solenoid B low General OBD-II descriptor
P0250 Turbocharger wastegate solenoid B high General OBD-II descriptor
P0251 Injection pump fuel metering control A malfunction (cam/rotor/injector) General OBD-II descriptor
P0252 Injection pump fuel metering control A range/performance (cam/rotor/injector) General OBD-II descriptor
P0253 Injection pump fuel metering control A low (cam/rotor/injector) General OBD-II descriptor
P0254 Injection pump fuel metering control A high (cam/rotor/injector) General OBD-II descriptor
P0255 Injection pump fuel metering control A intermittent (cam/rotor/injector) General OBD-II descriptor
P0256 Injection pump fuel metering control B malfunction (cam/rotor/injector) General OBD-II descriptor
P0257 Injection pump fuel metering control B range/performance injector) General OBD-II descriptor
P0258 Injection pump fuel metering control B low (cam/rotor/injector) General OBD-II descriptor
P0259 Injection pump fuel metering control B high (cam/rotor/injector) General OBD-II descriptor
P0260 Injection pump fuel metering control B intermittent injector) General OBD-II descriptor
P0261 Cylinder 1 injector circuit low General OBD-II descriptor
P0262 Cylinder 1 injector circuit high General OBD-II descriptor
P0263 Cylinder 1 contribution/balance fault General OBD-II descriptor
P0264 Cylinder 2 injector circuit low General OBD-II descriptor
P0265 Cylinder 2 injector circuit high General OBD-II descriptor
P0266 Cylinder 2 contribution/balance fault General OBD-II descriptor
P0267 Cylinder 3 injector circuit low General OBD-II descriptor
P0268 Cylinder 3 injector circuit high General OBD-II descriptor
P0269 Cylinder 3 contribution/balance fault General OBD-II descriptor
P0270 Cylinder 4 injector circuit low General OBD-II descriptor
P0271 Cylinder 4 injector circuit high General OBD-II descriptor
P0272 Cylinder 4 contribution/balance fault General OBD-II descriptor
P0273 Cylinder 5 injector circuit low General OBD-II descriptor
P0274 Cylinder 5 injector circuit high General OBD-II descriptor
P0275 Cylinder S contribution/balance fault General OBD-II descriptor
P0276 Cylinder 6 injector circuit low General OBD-II descriptor
P0277 Cylinder 6 injector circuit high General OBD-II descriptor
P0278 Cylinder 6 contribution/balance fault General OBD-II descriptor
P0279 Cylinder 7 injector circuit low General OBD-II descriptor
P0280 Cylinder 7 injector circuit high General OBD-II descriptor
P0281 Cylinder 7 contribution/balance fault General OBD-II descriptor
P0282 Cylinder 8 injector circuit low General OBD-II descriptor
P0283 Cylinder 8 injector circuit high General OBD-II descriptor
P0284 Cylinder 8 contribution/balance fault General OBD-II descriptor
P0285 Cylinder 9 injector circuit low General OBD-II descriptor
P0286 Cylinder 9 injector circuit high General OBD-II descriptor
P0287 Cylinder 9 contribution/balance fault General OBD-II descriptor
P0288 Cylinder 10 injector circuit low General OBD-II descriptor
P0289 Cylinder 10 injector circuit high General OBD-II descriptor
P0290 Cylinder 10 contribution/balance fault General OBD-II descriptor
P0291 Cylinder 11 injector circuit low General OBD-II descriptor
P0292 Cylinder 11 injector circuit high General OBD-II descriptor
P0293 Cylinder 11 contribution/balance fault General OBD-II descriptor
P0294 Cylinder 12 injector circuit low General OBD-II descriptor
P0295 Cylinder 12 injector circuit high General OBD-II descriptor
P0296 Cylinder 12 contribution/range fault General OBD-II descriptor

Px3xx Ignition System

82 entries
CodeDescriptionHonda note / applicability
P0300 Random/multiple cylinder misfire detected General OBD-II descriptor
P0301 Cylinder 1 misfire detected General OBD-II descriptor
P0302 Cylinder 2 misfire detected General OBD-II descriptor
P0303 Cylinder 3 misfire detected General OBD-II descriptor
P0304 Cylinder 4 misfire detected General OBD-II descriptor
P0305 Cylinder 5 misfire detected General OBD-II descriptor
P0306 Cylinder 6 misfire detected General OBD-II descriptor
P0307 Cylinder 7 misfire detected General OBD-II descriptor
P0308 Cylinder 8 misfire detected General OBD-II descriptor
P0309 Cylinder 9 misfire detected General OBD-II descriptor
P0310 Cylinder 10 misfire detected General OBD-II descriptor
P0311 Cylinder 11 misfire detected General OBD-II descriptor
P0312 Cylinder 12 misfire detected General OBD-II descriptor
P0313 Misfire detected with low fuel General OBD-II descriptor
P0314 Single cylinder misfire (cylinder not specified) General OBD-II descriptor
P0315 Crankshaft position system variation not learned General OBD-II descriptor
P0316 Misfire detected on startup (first 1000 revolutions) General OBD-II descriptor
P0317 Rough road hardware not present General OBD-II descriptor
P0318 Rough road sensor A signal circuit General OBD-II descriptor
P0319 Rough road sensor B signal circuit General OBD-II descriptor
P0320 Ignition/distributor engine speed input circuit malfunction General OBD-II descriptor
P0321 Ignition/distributor engine speed input circuit range/performance General OBD-II descriptor
P0322 Ignition/distributor engine speed input circuit no signal General OBD-II descriptor
P0323 Ignition/distributor engine speed input circuit intermittent General OBD-II descriptor
P0325 Knock sensor 1 circuit malfunction (bank 2 or single sensor) General OBD-II descriptor
P0326 Knock sensor 1 circuit range/performance (bank 1 or single sensor) General OBD-II descriptor
P0327 Knock sensor 1 circuit low input (bank 1 or single sensor) General OBD-II descriptor
P0328 Knock sensor 1 circuit high input (bank 1 or single sensor) General OBD-II descriptor
P0329 Knock sensor 1 circuit intermittent (bank 1 or single sensor) General OBD-II descriptor
P0330 Knock sensor 2 circuit malfunction (bank 2) General OBD-II descriptor
P0331 Knock sensor 2 circuit range/performance (bank 2) General OBD-II descriptor
P0332 Knock sensor 2 circuit low input (bank 2) General OBD-II descriptor
P0333 Knock sensor 2 circuit high input (bank 2) General OBD-II descriptor
P0334 Knock sensor 2 circuit intermittent (bank 2) General OBD-II descriptor
P0335 Crankshaft position sensor A circuit malfunction General OBD-II descriptor
P0336 Crankshaft position sensor A circuit range/performance General OBD-II descriptor
P0337 Crankshaft position sensor A circuit low input General OBD-II descriptor
P0338 Crankshaft position sensor A circuit high input General OBD-II descriptor
P0339 Crankshaft position sensor A circuit intermittent General OBD-II descriptor
P0340 Camshaft position sensor circuit malfunction General OBD-II descriptor
P0341 Camshaft position sensor circuit range/performance General OBD-II descriptor
P0342 Camshaft position sensor circuit low input General OBD-II descriptor
P0343 Camshaft position sensor circuit high input General OBD-II descriptor
P0344 Camshaft position sensor circuit intermittent General OBD-II descriptor
P0345 Camshaft position sensor A circuit malfunction (Bank 2) General OBD-II descriptor
P0346 Camshaft position sensor A circuit range/performance (Bank 2) General OBD-II descriptor
P0347 Camshaft position sensor A circuit low input (Bank 2) General OBD-II descriptor
P0348 Camshaft position sensor A circuit high input (Bank 2) General OBD-II descriptor
P0349 Camshaft position sensor A circuit intermittent (Bank 2) General OBD-II descriptor
P0350 Ignition coil primary/secondary circuit malfunction General OBD-II descriptor
P0351 Ignition coil A primary/secondary circuit malfunction General OBD-II descriptor
P0352 Ignition coil B primary/secondary circuit malfunction General OBD-II descriptor
P0353 Ignition coil C primary/secondary circuit malfunction General OBD-II descriptor
P0354 Ignition coil D primary/secondary circuit malfunction General OBD-II descriptor
P0355 Ignition coil E primary/secondary circuit malfunction General OBD-II descriptor
P0356 Ignition coil F primary/secondary circuit malfunction General OBD-II descriptor
P0357 Ignition coil G primary/secondary circuit malfunction General OBD-II descriptor
P0358 Ignition coil H primary/secondary circuit malfunction General OBD-II descriptor
P0359 Ignition coil I primary/secondary circuit malfunction General OBD-II descriptor
P0360 Ignition coil J primary/secondary circuit malfunction General OBD-II descriptor
P0361 Ignition coil K primary/secondary circuit malfunction General OBD-II descriptor
P0362 Ignition coil L primary/secondary circuit malfunction General OBD-II descriptor
P0365 Camshaft position sensor B no signal General OBD-II descriptor
P0369 Camshiaft position sensor B circuit intermittent interruption General OBD-II descriptor
P0370 Timing reference high resolution signal A malfunction General OBD-II descriptor
P0371 Timing reference high resolution signal A too many pulses General OBD-II descriptor
P0372 Timing reference high resolution signal A too few pulses General OBD-II descriptor
P0373 Timing reference high resolution signal A intermittent/erratic pulses General OBD-II descriptor
P0374 Timing reference high resolution signal A no pulses General OBD-II descriptor
P0375 Timing reference high resolution signal B malfunction General OBD-II descriptor
P0376 Timing reference high resolution signal B too many pulses General OBD-II descriptor
P0377 Timing reference high resolution signal B too few pulses General OBD-II descriptor
P0378 Timing reference high resolution signal B intermittent/erratic pulses General OBD-II descriptor
P0379 Timing reference high resolution signal B no pulses General OBD-II descriptor
P0380 Glow plug/heater circuit A malfunction General OBD-II descriptor
P0381 Glow plug/heater indicator circuit malfunction General OBD-II descriptor
P0382 Exhaust gas recirculation flow malfunction General OBD-II descriptor
P0385 Crankshaft position sensor B circuit malfunction General OBD-II descriptor
P0386 Crankshaft position sensor B circuit range/performance General OBD-II descriptor
P0387 Crankshaft position sensor B circuit low input General OBD-II descriptor
P0388 Crankshaft position sensor B circuit high input General OBD-II descriptor
P0389 Crankshaft position sensor B circuit intermittent General OBD-II descriptor

Px4xx Additional Emission Control

79 entries
CodeDescriptionHonda note / applicability
P0400 Exhaust gas recirculation flow malfunction General OBD-II descriptor
P0401 Exhaust gas recirculation flow insufficient detected General OBD-II descriptor
P0402 Exhaust gas recirculation flow excessive detected General OBD-II descriptor
P0403 Exhaust gas recirculation circuit malfunction General OBD-II descriptor
P0404 Exhaust gas recirculation circuit range/performance General OBD-II descriptor
P0405 Exhaust gas recirculation sensor A circuit low General OBD-II descriptor
P0406 Exhaust gas recirculation sensor A circuit high General OBD-II descriptor
P0407 Exhaust gas recirculation sensor B circuit low General OBD-II descriptor
P0408 Exhaust gas recirculation sensor B circuit high General OBD-II descriptor
P0410 Secondary air injection system malfunction General OBD-II descriptor
P0411 Secondary air injection system incorrect flow detected General OBD-II descriptor
P0412 Secondary air injection system switching valve A circuit malfunction General OBD-II descriptor
P0413 Secondary air injection system switching valve A circuit open General OBD-II descriptor
P0414 Secondary air injection system switching valve A circuit shorted General OBD-II descriptor
P0415 Secondary air injection system switching valve B circuit malfunction General OBD-II descriptor
P0416 Secondary air injection system switching valve B circuit open General OBD-II descriptor
P0417 Secondary air injection system switching valve B circuit shorted General OBD-II descriptor
P0418 Secondary air injection system relay A circuit malfunction General OBD-II descriptor
P0419 Secondary air injection system relay B circuit malfunction General OBD-II descriptor
P0420 Catalyst system efficiency below threshold (Bank 1) Footnote 4, 5
P0421 Warm up catalyst efficiency below threshold (Bank 1) General OBD-II descriptor
P0422 Main catalyst efficiency below threshold (Bank 1) General OBD-II descriptor
P0423 Heated catalyst efficiency below threshold (Bank 1) General OBD-II descriptor
P0424 Heated catalyst temperature below threshold (Bank 1) General OBD-II descriptor
P0430 Catalyst system efficiency below threshold (Bank 2) General OBD-II descriptor
P0431 Warm up catalyst efficiency below threshold (Bank 2) General OBD-II descriptor
P0432 Main catalyst efficiency below threshold (Bank 2) General OBD-II descriptor
P0433 Heated catalyst efficiency below threshold (Bank 2) General OBD-II descriptor
P0434 Heated catalyst temperature below threshold (Bank 2) General OBD-II descriptor
P0440 Evaporative emission control system malfunction General OBD-II descriptor
P0441 Evaporative emission control system incorrect purge flow General OBD-II descriptor
P0442 Evaporative emission control system leak detected (small leak) General OBD-II descriptor
P0443 Evaporative emission control system purge control valve circuit General OBD-II descriptor
P0444 Evaporative emission control system purge control valve circuit open General OBD-II descriptor
P0445 Evaporative emission control system purge control valve circuit shorted General OBD-II descriptor
P0446 Evaporative emission control system vent control circuit malfunction General OBD-II descriptor
P0447 Evaporative emission control system vent control circuit open General OBD-II descriptor
P0448 Evaporative emission control system vent control circuit shorted General OBD-II descriptor
P0449 Evaporative emission control system vent valve/solenoid circuit malfunction General OBD-II descriptor
P0450 Evaporative emission control system pressure sensor malfunction General OBD-II descriptor
P0451 Evaporative emission control system pressure sensor range/performance General OBD-II descriptor
P0452 Evaporative emission control system pressure sensor low input Footnote 4, 5
P0453 Evaporative emission control system pressure sensor high input General OBD-II descriptor
P0454 Evaporative emission control system pressure sensor intermittent General OBD-II descriptor
P0455 Evaporative emission control system leak detected (gross leak) General OBD-II descriptor
P0456 Evaporative emissions system small leak detected General OBD-II descriptor
P0457 Evaporative emission control system leak detected General OBD-II descriptor
P0458 Evaporative emission system purge control valve circuit low General OBD-II descriptor
P0459 Evaporative emission system purge control valve circuit high General OBD-II descriptor
P0460 Fuel level sensor circuit malfunction General OBD-II descriptor
P0461 Fuel level sensor circuit range/performance General OBD-II descriptor
P0462 Fuel level sensor circuit low input General OBD-II descriptor
P0463 Fuel level sensor circuit high input General OBD-II descriptor
P0464 Fuel level sensor circuit intermittent General OBD-II descriptor
P0465 Purge flow sensor circuit malfunction General OBD-II descriptor
P0466 Purge flow sensor circuit range/performance General OBD-II descriptor
P0467 Purge flow sensor circuit low input General OBD-II descriptor
P0468 Purge flow sensor circuit high input General OBD-II descriptor
P0469 Purge flow sensor circuit intermittent General OBD-II descriptor
P0470 Exhaust pressure sensor malfunction General OBD-II descriptor
P0471 Exhaust pressure sensor range/performance General OBD-II descriptor
P0472 Exhaust pressure sensor low General OBD-II descriptor
P0473 Exhaust pressure sensor high General OBD-II descriptor
P0474 Exhaust pressure sensor intermittent General OBD-II descriptor
P0475 Exhaust pressure control valve malfunction General OBD-II descriptor
P0476 Exhaust pressure control valve range/performance General OBD-II descriptor
P0477 Exhaust pressure control valve low General OBD-II descriptor
P0478 Exhaust pressure control valve high General OBD-II descriptor
P0479 Exhaust pressure control valve intermittent General OBD-II descriptor
P0480 Cooling fan 1 control circuit malfunction General OBD-II descriptor
P0481 Cooling fan 2 control circuit malfunction General OBD-II descriptor
P0482 Cooling fan 3 control circuit malfunction General OBD-II descriptor
P0483 Cooling fan rationality check malfunction General OBD-II descriptor
P0484 Cooling fan circuit over current General OBD-II descriptor
P0485 Cooling fan power/ground circuit malfunction General OBD-II descriptor
P0496 Evaporative emission system high purge flow General OBD-II descriptor
P0497 Evaporative emission system low purge flow General OBD-II descriptor
P0498 Evaporative emission system canister vent shut valve circuit low voltage General OBD-II descriptor
P0499 Evaporative emission system canister vent shut valve circuit high voltage General OBD-II descriptor

Px5xx Speed and Idle Regulation

43 entries
CodeDescriptionHonda note / applicability
P0500 Vehicle speed sensor malfunction General OBD-II descriptor
P0501 Vehicle speed sensor range/performance General OBD-II descriptor
P0502 Vehicle speed sensor low input General OBD-II descriptor
P0503 Vehicle speed sensor intermittent/erratic/high General OBD-II descriptor
P0505 Idle control system malfunction General OBD-II descriptor
P0506 Idle control system RPM lower than expected General OBD-II descriptor
P0507 Idle control system RPM higher than expected General OBD-II descriptor
P0510 Closed throttle position switch malfunction General OBD-II descriptor
P0511 Idle air control system RPM higher than expected General OBD-II descriptor
P0520 Engine oil pressure sensor/switch circuit malfunction General OBD-II descriptor
P0521 Engine oil pressure sensor/switch circuit range/performance General OBD-II descriptor
P0522 Engine oil pressure sensor/switch circuit low voltage General OBD-II descriptor
P0523 Engine oil pressure sensor/switch circuit high voltage General OBD-II descriptor
P0530 A/C refrigerant pressure sensor circuit malfunction General OBD-II descriptor
P0531 A/C refrigerant pressure sensor circuit range/performance General OBD-II descriptor
P0532 A/C refrigerant pressure sensor circuit low input General OBD-II descriptor
P0533 A/C refrigerant pressure sensor circuit high input General OBD-II descriptor
P0534 Air conditioner refrigerant charge loss General OBD-II descriptor
P0550 Power steering pressure sensor circuit malfunction General OBD-II descriptor
P0551 Power steering pressure sensor circuit range/performance General OBD-II descriptor
P0552 Power steering pressure sensor circuit low input General OBD-II descriptor
P0553 Power steering pressure sensor circuit high input General OBD-II descriptor
P0554 Power steering pressure sensor circuit intermittent General OBD-II descriptor
P0560 System voltage malfunction General OBD-II descriptor
P0561 System voltage unstable General OBD-II descriptor
P0562 System voltage low voltage Footnote 4
P0563 System voltage high General OBD-II descriptor
P0565 Cruise control on signal malfunction General OBD-II descriptor
P0566 Cruise control off signal malfunction General OBD-II descriptor
P0567 Cruise control resume signal malfunction General OBD-II descriptor
P0568 Cruise control set signal malfunction General OBD-II descriptor
P0569 Cruise control coast signal malfunction General OBD-II descriptor
P0570 Cruise control accel signal malfunction General OBD-II descriptor
P0571 Cruise control/brake switch A circuit malfunction General OBD-II descriptor
P0572 Cruise control/brake switch A circuit low General OBD-II descriptor
P0573 Cruise control/brake switch A circuit high General OBD-II descriptor
P0574 Cruise control related malfunction General OBD-II descriptor
P0575 Cruise control related malfunction General OBD-II descriptor
P0576 Cruise control related malfunction General OBD-II descriptor
P0576 Cruise control related malfunction General OBD-II descriptor
P0578 Cruise control related malfunction General OBD-II descriptor
P0579 Cruise control related malfunction General OBD-II descriptor
P0580 Cruise control related malfunction General OBD-II descriptor

Px6xx Computer and Output Signals

18 entries
CodeDescriptionHonda note / applicability
P0600 Serial communication link malfunction General OBD-II descriptor
P0601 Internal control module memory check sum error General OBD-II descriptor
P0602 Control module programming error Footnote 4
P0603 Internal control module keep alive memory (KAM) error General OBD-II descriptor
P0604 Internal control module random access memory (RAM) error General OBD-II descriptor
P0605 Internal control module read only memory (ROM) error General OBD-II descriptor
P0606 PCM processor fault General OBD-II descriptor
P0608 Control module VSS output A malfunction General OBD-II descriptor
P0609 Control module VSS output B malfunction General OBD-II descriptor
P0620 Generator control circuit malfunction General OBD-II descriptor
P0621 Generator lamp L control circuit malfunction General OBD-II descriptor
P0622 Generator field F control circuit malfunction General OBD-II descriptor
P0630 VIN not programmed or mismatch Honda-specific descriptor; Footnote 4
P0650 Malfunction indicator lamp (MIL) control circuit malfunction General OBD-II descriptor
P0654 Engine RPM output circuit malfunction General OBD-II descriptor
P0655 Engine hot lamp output control circuit malfunction General OBD-II descriptor
P0656 Fuel level output circuit malfunction General OBD-II descriptor
P0685 Engine control module/powertrain control module power control circuit malfunction General OBD-II descriptor

Px7xx Transmission

82 entries
CodeDescriptionHonda note / applicability
P0700 Transmission control system malfunction Footnote 3
P0701 Transmission control system range/performance General OBD-II descriptor
P0702 Transmission control system electrical General OBD-II descriptor
P0703 Torque converter/brake switch B circuit malfunction General OBD-II descriptor
P0704 Clutch switch input circuit malfunction General OBD-II descriptor
P0705 Transmission range sensor circuit malfunction (PRNDL input) General OBD-II descriptor
P0706 Transmission range sensor circuit range/performance General OBD-II descriptor
P0707 Transmission range sensor circuit low input General OBD-II descriptor
P0708 Transmission range sensor circuit high input General OBD-II descriptor
P0709 Transmission range sensor circuit intermittent General OBD-II descriptor
P0710 Transmission fluid temperature sensor circuit malfunction General OBD-II descriptor
P0711 Transmission fluid temperature sensor circuit range/performance General OBD-II descriptor
P0712 Transmission fluid temperature sensor circuit low input General OBD-II descriptor
P0713 Transmission fluid temperature sensor circuit high input General OBD-II descriptor
P0714 Transmission fluid temperature sensor circuit intermittent General OBD-II descriptor
P0715 Input/turbine speed sensor circuit malfunction General OBD-II descriptor
P0716 Input/turbine speed sensor circuit range/performance General OBD-II descriptor
P0717 Input/turbine speed sensor circuit no signal General OBD-II descriptor
P0718 Input/turbine speed sensor circuit intermittent General OBD-II descriptor
P0719 Torque converter/brake switch B circuit low General OBD-II descriptor
P0720 Output speed sensor circuit malfunction Footnote 2
P0721 Output speed sensor range/performance General OBD-II descriptor
P0722 Output speed sensor no signal General OBD-II descriptor
P0723 Output speed sensor intermittent General OBD-II descriptor
P0724 Torque converter/brake switch B circuit high General OBD-II descriptor
P0725 Engine speed input circuit malfunction General OBD-II descriptor
P0726 Engine speed input circuit range/performance General OBD-II descriptor
P0727 Engine speed input circuit no signal General OBD-II descriptor
P0728 Engine speed input circuit intermittent General OBD-II descriptor
P0730 Incorrect gear ratio General OBD-II descriptor
P0731 Gear 1 incorrect ratio General OBD-II descriptor
P0732 Gear 2 incorrect ratio General OBD-II descriptor
P0733 Gear 3 incorrect ratio General OBD-II descriptor
P0734 Gear 4 incorrect ratio General OBD-II descriptor
P0735 Gear 5 incorrect ratio General OBD-II descriptor
P0736 Reverse incorrect gear ratio General OBD-II descriptor
P0740 Torque converter clutch circuit malfunction General OBD-II descriptor
P0741 Torque converter clutch circuit performance or stuck off General OBD-II descriptor
P0742 Torque converter clutch circuit stock on General OBD-II descriptor
P0743 Torque converter clutch circuit electrical General OBD-II descriptor
P0744 Torque converter clutch circuit intermittent General OBD-II descriptor
P0745 Pressure control solenoid malfunction General OBD-II descriptor
P0746 Pressure control solenoid performance or stuck off General OBD-II descriptor
P0747 Pressure control solenoid stuck on General OBD-II descriptor
P0748 Pressure control solenoid electrical General OBD-II descriptor
P0749 Pressure control solenoid intermittent General OBD-II descriptor
P0750 Shift solenoid A malfunction General OBD-II descriptor
P0751 Shift solenoid A performance or stuck off General OBD-II descriptor
P0752 Shift solenoid A stuck on General OBD-II descriptor
P0753 Shift solenoid A electrical General OBD-II descriptor
P0754 Shift solenoid A intermittent General OBD-II descriptor
P0755 Shift solenoid B malfunction General OBD-II descriptor
P0756 Shift solenoid B performance or stock off General OBD-II descriptor
P0757 Shift solenoid B stuck on General OBD-II descriptor
P0758 Shift solenoid B electrical General OBD-II descriptor
P0759 Shift solenoid B intermittent General OBD-II descriptor
P0760 Shift solenoid C malfunction General OBD-II descriptor
P0761 Shift solenoid C performance or stuck off General OBD-II descriptor
P0762 Shift solenoid C stuck on General OBD-II descriptor
P0763 Shift solenoid C electrical General OBD-II descriptor
P0764 Shift solenoid C intermittent General OBD-II descriptor
P0765 Shift solenoid D malfunction General OBD-II descriptor
P0766 Shift solenoid D performance or stuck off General OBD-II descriptor
P0767 Shift solenoid D stuck on General OBD-II descriptor
P0768 Shift solenoid D electrical General OBD-II descriptor
P0769 Shift solenoid D intermittent General OBD-II descriptor
P0770 Shift solenoid E malfunction General OBD-II descriptor
P0771 Shift solenoid E performance or stuck off General OBD-II descriptor
P0772 Shift solenoid E stuck on General OBD-II descriptor
P0773 Shift solenoid E electrical General OBD-II descriptor
P0774 Shift solenoid E intermittent General OBD-II descriptor
P0780 shift malfunction General OBD-II descriptor
P0781 1-2 shift malfunction General OBD-II descriptor
P0782 2-3 shift malfunction General OBD-II descriptor
P0783 3-4 shift malfunction General OBD-II descriptor
P0784 4-5 shift malfunction General OBD-II descriptor
P0785 Shift/timing solenoid malfunction General OBD-II descriptor
P0786 Shift/timing solenoid range/performance General OBD-II descriptor
P0787 Shift/timing solenoid low General OBD-II descriptor
P0788 Shift/timing solenoid high General OBD-II descriptor
P0789 Shift/timing solenoid intermittent General OBD-II descriptor
P0790 Normal/performance switch circuit malfunction General OBD-II descriptor

Px8xx Transmission

3 entries
CodeDescriptionHonda note / applicability
P0801 Reverse inhibit control circuit malfunction General OBD-II descriptor
P0803 1-4 upshift (skip shift) solenoid control circuit malfunction General OBD-II descriptor
P0804 1-4 upshift (skip shift) lamp control circuit malfunction General OBD-II descriptor

P1xxx + Manufacturer Codes for Additional Emission System Function; Not Required but Reported to the Government

99 entries
CodeDescriptionHonda note / applicability
P1009 Variable valve timing control advance malfunction Honda-specific descriptor
P1106 Barometric pressure circuit range/performance Honda-specific descriptor
P1107 Barometric pressure circuit low input Honda-specific descriptor
P1108 Barometric pressure circuit high input Honda-specific descriptor
P1109 Barometric pressure sensor circuit out of range high Honda-specific descriptor; Footnote 4
P1116 Engine coolant temperature sensor circuit range/performance problem Honda-specific descriptor; Footnote 7
P1121 Throttle position lower than expected Honda-specific descriptor
P1122 Throttle position higher than expected Honda-specific descriptor
P1128 MAP lower than expected Honda-specific descriptor
P1129 MAP higher than expected Honda-specific descriptor
P1149 Primary HO2S (Sensor 1) circuit range/performance problem Honda-specific descriptor
P1157 Air fuel ratio sensor (Sensor 1) AFS circuit high voltage Honda-specific descriptor
P1162 Primary HO2S (No. 1) circuit malfunction Honda-specific descriptor
P1163 Primary HO2S (No. 1) circuit slow response Honda-specific descriptor
P1164 Primary HO2S (No. 1) circuit range/performance Honda-specific descriptor
P1165 Primary HO2S (No. 1) circuit range/performance Honda-specific descriptor
P1166 Primary HO2S (No. 1) circuit heater system electrical Honda-specific descriptor
P1167 Primary HO2S (No. 1) circuit heater system Honda-specific descriptor
P1168 Primary HO2S (No. 1) circuit LABEL low input Honda-specific descriptor
P1169 Primary HO2S (No. 1) circuit LABEL high input Honda-specific descriptor
P1172 Air fuel ratio sensor (Sensor 1) circuit out of range high Honda-specific descriptor; Footnote 4
P1253 VTEC system malfunction Honda-specific descriptor
P1257 VTEC system malfunction Honda-specific descriptor
P1258 VTEC system malfunction Honda-specific descriptor
P1259 VTEC system malfunction Honda-specific descriptor
P1297 Electrical Load Detector circuit low input Honda-specific descriptor
P1298 Electrical Load Detector circuit high input Honda-specific descriptor
P1300 Multiple cylinder misfire detected Honda-specific descriptor
P1336 CSF sensor intermittent interruption Honda-specific descriptor
P1337 CSF sensor no signal Honda-specific descriptor
P1359 CKP/TDC sensor connector disconnection Honda-specific descriptor
P1361 Intermittent interruption in TDC 1 sensor circuit Honda-specific descriptor
P1362 No signal in TDC 1 sensor circuit Honda-specific descriptor
P1366 Intermittent interruption in TDC 2 sensor circuit Honda-specific descriptor
P1367 No signal in TDC 2 sensor circuit Honda-specific descriptor
P1381 Cylinder position sensor intermittent interruption Honda-specific descriptor
P1382 Cylinder position sensor no signal Honda-specific descriptor
P1454 Fuel tank pressure sensor circuit range/performance problem General OBD-II descriptor
P1456 Evap emission control system leak detected (fuel tank system) Honda-specific descriptor
P1457 Evap emission control system leak detected (control canister system) Honda-specific descriptor
P1459 Evap emission purge flow switch malfunction Honda-specific descriptor
P1486 Thermostat range/performance problem Honda-specific descriptor
P1491 EGR valve lift insufficient detected Honda-specific descriptor
P1498 EGR valve lift sensor high voltage Honda-specific descriptor
P1508 IAC valve circuit failure Honda-specific descriptor
P1509 IAC valve circuit failure Honda-specific descriptor
P1519 Idle air control valve circuit failure Honda-specific descriptor
P1549 Charging system high voltage Honda-specific descriptor; Footnote 4
P1607 ECM/PCM internal circuit failure A Honda-specific descriptor
P1655 SEAF/SEFA/TMA/TMB signal line failure Honda-specific descriptor
P1656 Automatic transaxle Honda-specific descriptor
P1660 Automatic transaxle FI signal A circuit failure Honda-specific descriptor
P1676 FPTDR signal line failure Honda-specific descriptor
P1678 FPTDR signal line failure Honda-specific descriptor
P1681 Automatic transaxle FI signal A low input Honda-specific descriptor
P1682 Automatic transaxle FI signal A high input Honda-specific descriptor
P1686 Automatic transaxle FI signal B low input Honda-specific descriptor
P1687 Automatic transaxle FI signal B high input Honda-specific descriptor
P16BB Alternator B terminal circuit low voltage Honda-specific descriptor; Footnote 4
P16BC Alternator FR terminal circuit/IGP circuit low voltage Honda-specific descriptor; Footnote 4
P1705 Automatic transaxle concerns Honda-specific descriptor
P1706 Automatic transaxle concerns Honda-specific descriptor
P1738 Automatic transaxle concerns Honda-specific descriptor
P1739 Automatic transaxle concerns Honda-specific descriptor
P1753 Automatic transaxle concerns Honda-specific descriptor
P1758 Automatic transaxle concerns Honda-specific descriptor
P1768 Automatic transaxle concerns Honda-specific descriptor
P1773 Automatic transaxle concerns Honda-specific descriptor
P1785 Automatic transaxle concerns Honda-specific descriptor
P1786 Automatic transaxle concerns Honda-specific descriptor
P1790 Automatic transaxle concerns Honda-specific descriptor
P1791 Automatic transaxle concerns Honda-specific descriptor
P1792 Automatic transaxle concerns Honda-specific descriptor
P1793 Automatic transaxle concerns Honda-specific descriptor
P1794 Automatic transaxle concerns Honda-specific descriptor
P1870 Automatic transaxle concerns Honda-specific descriptor
P1873 Automatic transaxle concerns Honda-specific descriptor
P1879 Automatic transaxle concerns Honda-specific descriptor
P1885 Automatic transaxle concerns Honda-specific descriptor
P1886 Automatic transaxle concerns Honda-specific descriptor
P1888 Automatic transaxle concerns Honda-specific descriptor
P1890 Automatic transaxle concerns Honda-specific descriptor
P1891 Automatic transaxle concerns Honda-specific descriptor
P2195 Air fuel ratio sensor (Sensor 1) signal stuck lean Honda-specific descriptor
P2227 Barometric pressure sensor circuit range/performance problem Honda-specific descriptor
P2228 Barometric pressure sensor circuit low voltage Honda-specific descriptor
P2229 Barometric pressure sensor circuit high voltage Honda-specific descriptor
P2238 Air fuel ratio sensor (Sensor 1) AFT+ circuit low voltage Honda-specific descriptor
P2252 Air fuel ratio sensor (Sensor 1) AFS- circuit low voltage Honda-specific descriptor
P2270 Secondary heated oxygen sensor (Sensor 2) circuit signal stuck lean Honda-specific descriptor; Footnote 4
P2271 Secondary heated oxygen sensor (Sensor 2) circuit signal stuck rich Honda-specific descriptor; Footnote 4
P2279 Intake air system leak detected Honda-specific descriptor
P2422 Evaporative emission canister vent shut valve stuck closed malfunction Honda-specific descriptor
P2610 Engine control module/powertrain control module ignition OFF internal timer malfunction Honda-specific descriptor; Footnote 7
P2646 Rocker arm (VTEC) oil pressure switch circuit low voltage Honda-specific descriptor
P2647 Rocker arm (VTEC) oil pressure switch circuit high voltage Honda-specific descriptor
P2648 Rocker arm (VTEC) oil control solenoid circuit low voltage Honda-specific descriptor
P2649 Rocker arm (VTEC) oil control solenoid circuit high voltage Honda-specific descriptor
P2A00 Air fuel ratio sensor (Sensor 1) circuit range/performance problem Honda-specific descriptor

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