All OBD-II Trouble Codes and Definitions

• P0383 Reserved by SAE J2012
• P0384 Reserved by SAE J2012
• P0385 Crankshaft Position Sensor “B” Circuit
• P0386 Crankshaft Position Sensor “B” Circuit Range/Performance
• P0387 Crankshaft Position Sensor “B” Circuit Low
• P0388 Crankshaft Position Sensor “B” Circuit High
• P0389 Crankshaft Position Sensor “B” Circuit Intermittent
• P0390 Camshaft Position Sensor “B” Circuit
• P0391 Camshaft Position Sensor “B” Circuit Range/Performance
• P0392 Camshaft Position Sensor “B” Circuit Low
• P0393 Camshaft Position Sensor “B” Circuit High
• P0394 Camshaft Position Sensor “B” Circuit Intermittent
• P0400 Exhaust Gas Recirculation Flow
• P0401 Exhaust Gas Recirculation Flow Insufficient Detected
• P0402 Exhaust Gas Recirculation Flow Excessive Detected
• P0403 Exhaust Gas Recirculation Control Circuit
• P0404 Exhaust Gas Recirculation Control Circuit Range/Performance
• P0405 Exhaust Gas Recirculation Sensor “A” Circuit Low
• P0406 Exhaust Gas Recirculation Sensor “A” Circuit High
• P0407 Exhaust Gas Recirculation Sensor “B” Circuit Low
• P0408 Exhaust Gas Recirculation Sensor “B” Circuit High
• P0409 Exhaust Gas Recirculation Sensor “A” Circuit
• P0410 Secondary Air Injection System
• P0411 Secondary Air Injection System Incorrect Flow Detected
• P0412 Secondary Air Injection System Switching Valve “A” Circuit
• P0413 Secondary Air Injection System Switching Valve “A” Circuit Open
• P0414 Secondary Air Injection System Switching Valve “A” Circuit Shorted
• P0415 Secondary Air Injection System Switching Valve “B” Circuit
• P0416 Secondary Air Injection System Switching Valve “B” Circuit Open
• P0417 Secondary Air Injection System Switching Valve “B” Circuit Shorted
• P0418 Secondary Air Injection System Control “A” Circuit
• P0419 Secondary Air Injection System Control “B” Circuit
• P0420 Catalyst System Efficiency Below Threshold

• P0421 Warm Up Catalyst Efficiency Below Threshold
• P0422 Main Catalyst Efficiency Below Threshold
• P0423 Heated Catalyst Efficiency Below Threshold
• P0424 Heated Catalyst Temperature Below Threshold
• P0425 Catalyst Temperature Sensor
• P0426 Catalyst Temperature Sensor Range/Performance
• P0427 Catalyst Temperature Sensor Low
• P0428 Catalyst Temperature Sensor High
• P0429 Catalyst Heater Control Circuit
• P0430 Catalyst System Efficiency Below Threshold
• P0431 Warm Up Catalyst Efficiency Below Threshold
• P0432 Main Catalyst Efficiency Below Threshold
• P0433 Heated Catalyst Efficiency Below Threshold
• P0434 Heated Catalyst Temperature Below Threshold
• P0435 Catalyst Temperature Sensor
• P0436 Catalyst Temperature Sensor Range/Performance
• P0437 Catalyst Temperature Sensor Low
• P0438 Catalyst Temperature Sensor High
• P0439 Catalyst Heater Control Circuit
• P0440 Evaporative Emission System
• P0441 Evaporative Emission System Incorrect Purge Flow
• P0442 Evaporative Emission System Leak Detected (small leak)
• P0443 Evaporative Emission System Purge Control Valve Circuit
• P0444 Evaporative Emission System Purge Control Valve Circuit Open
• P0445 Evaporative Emission System Purge Control Valve Circuit Shorted
• P0446 Evaporative Emission System Vent Control Circuit
• P0447 Evaporative Emission System Vent Control Circuit Open
• P0448 Evaporative Emission System Vent Control Circuit Shorted
• P0449 Evaporative Emission System Vent Valve/Solenoid Circuit
• P0450 Evaporative Emission System Pressure Sensor/Switch
• P0451 Evaporative Emission System Pressure Sensor/Switch Range/Performance
• P0452 Evaporative Emission System Pressure Sensor/Switch Low
• P0453 Evaporative Emission System Pressure Sensor/Switch High

• P0454 Evaporative Emission System Pressure Sensor/Switch Intermittent
• P0455 Evaporative Emission System Leak Detected (large leak)
• P0456 Evaporative Emission System Leak Detected (very small leak)
• P0457 Evaporative Emission System Leak Detected (fuel cap loose/off)
• P0458 Evaporative Emission System Purge Control Valve Circuit Low
• P0459 Evaporative Emission System Purge Control Valve Circuit High
• P0460 Fuel Level Sensor “A” Circuit
• P0461 Fuel Level Sensor “A” Circuit Range/Performance
• P0462 Fuel Level Sensor “A” Circuit Low
• P0463 Fuel Level Sensor “A” Circuit High
• P0464 Fuel Level Sensor “A” Circuit Intermittent
• P0465 EVAP Purge Flow Sensor Circuit
• P0466 EVAP Purge Flow Sensor Circuit Range/Performance
• P0467 EVAP Purge Flow Sensor Circuit Low
• P0468 EVAP Purge Flow Sensor Circuit High
• P0469 EVAP Purge Flow Sensor Circuit Intermittent
• P0470 Exhaust Pressure Sensor
• P0471 Exhaust Pressure Sensor Range/Performance
• P0472 Exhaust Pressure Sensor Low
• P0473 Exhaust Pressure Sensor High
• P0474 Exhaust Pressure Sensor Intermittent
• P0475 Exhaust Pressure Control Valve
• P0476 Exhaust Pressure Control Valve Range/Performance
• P0477 Exhaust Pressure Control Valve Low
• P0478 Exhaust Pressure Control Valve High
• P0479 Exhaust Pressure Control Valve Intermittent
• P0480 Fan 1 Control Circuit
• P0481 Fan 2 Control Circuit
• P0482 Fan 3 Control Circuit
• P0483 Fan Rationality Check
• P0484 Fan Circuit Over Current
• P0485 Fan Power/Ground Circuit
• P0486 Exhaust Gas Recirculation Sensor “B” Circuit

• P0487 Exhaust Gas Recirculation Throttle Position Control Circuit
• P0488 Exhaust Gas Recirculation Throttle Position Control Range/Performance
• P0489 Exhaust Gas Recirculation Control Circuit Low
• P0490 Exhaust Gas Recirculation Control Circuit High
• P0491 Secondary Air Injection System Insufficient Flow
• P0492 Secondary Air Injection System Insufficient Flow
• P0493 Fan Overspeed
• P0494 Fan Speed Low
• P0495 Fan Speed High
• P0496 Evaporative Emission System High Purge Flow
• P0497 Evaporative Emission System Low Purge Flow
• P0498 Evaporative Emission System Vent Valve Control Circuit Low
• P0499 Evaporative Emission System Vent Valve Control Circuit High
• P0500 Vehicle Speed Sensor “A”
• P0501 Vehicle Speed Sensor “A” Range/Performance
• P0502 Vehicle Speed Sensor “A” Circuit Low Input
• P0503 Vehicle Speed Sensor “A” Intermittent/Erratic/High
• P0504 Brake Switch “A”/”B” Correlation
• P0505 Idle Air Control System
• P0506 Idle Air Control System RPM Lower Than Expected
• P0507 Idle Air Control System RPM Higher Than Expected
• P0508 Idle Air Control System Circuit Low
• P0509 Idle Air Control System Circuit High
• P0510 Closed Throttle Position Switch
• P0511 Idle Air Control Circuit
• P0512 Starter Request Circuit
• P0513 Incorrect Immobilizer Key
• P0514 Battery Temperature Sensor Circuit Range/Performance
• P0515 Battery Temperature Sensor Circuit
• P0516 Battery Temperature Sensor Circuit Low
• P0517 Battery Temperature Sensor Circuit High
• P0518 Idle Air Control Circuit Intermittent
• P0519 Idle Air Control System Performance

• P0520 Engine Oil Pressure Sensor/Switch Circuit
• P0521 Engine Oil Pressure Sensor/Switch Range/Performance
• P0522 Engine Oil Pressure Sensor/Switch Low Voltage
• P0523 Engine Oil Pressure Sensor/Switch High Voltage
• P0524 Engine Oil Pressure Too Low
• P0525 Cruise Control Servo Control Circuit Range/Performance
• P0526 Fan Speed Sensor Circuit
• P0527 Fan Speed Sensor Circuit Range/Performance
• P0528 Fan Speed Sensor Circuit No Signal
• P0529 Fan Speed Sensor Circuit Intermittent
• P0530 A/C Refrigerant Pressure Sensor “A” Circuit
• P0531 A/C Refrigerant Pressure Sensor “A” Circuit Range/Performance
• P0532 A/C Refrigerant Pressure Sensor “A” Circuit Low
• P0533 A/C Refrigerant Pressure Sensor “A” Circuit High
• P0534 Air Conditioner Refrigerant Charge Loss
• P0535 A/C Evaporator Temperature Sensor Circuit
• P0536 A/C Evaporator Temperature Sensor Circuit Range/Performance
• P0537 A/C Evaporator Temperature Sensor Circuit Low
• P0538 A/C Evaporator Temperature Sensor Circuit High
• P0539 A/C Evaporator Temperature Sensor Circuit Intermittent
• P0540 Intake Air Heater “A” Circuit
• P0541 Intake Air Heater “A” Circuit Low
• P0542 Intake Air Heater “A” Circuit High
• P0543 Intake Air Heater “A” Circuit Open
• P0544 Exhaust Gas Temperature Sensor Circuit
• P0545 Exhaust Gas Temperature Sensor Circuit Low
• P0546 Exhaust Gas Temperature Sensor Circuit High
• P0547 Exhaust Gas Temperature Sensor Circuit
• P0548 Exhaust Gas Temperature Sensor Circuit Low
• P0549 Exhaust Gas Temperature Sensor Circuit High
• P0550 Power Steering Pressure Sensor/Switch Circuit
• P0551 Power Steering Pressure Sensor/Switch Circuit Range/Performance
• P0552 Power Steering Pressure Sensor/Switch Circuit Low Input

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