Category Archives: OBDII Powertrain Codes

P0471

P0471 OBD Code Definition:
P0471 Exhaust Pressure Sensor Range/Performance
P0471 OBD Code Description: Continue reading

P0475

P0475 OBD Code Definition:
P0475 Exhaust Pressure Control Valve Malfunction
P0475 OBD Code Description: Continue reading

P0474

P0474 OBD Code Definition:
P0474 Exhaust Pressure Sensor Intermittent
P0474 OBD Code Description: Continue reading

P0476

P0476 OBD Code Definition:
P0476 Exhaust Pressure Control Valve Range/Performance
P0476 OBD Code Description: Continue reading

P0479

P0479 OBD Code Definition:
P0479 Exhaust Pressure Control Valve Intermittent
P0479 OBD Code Description: Continue reading

P0478

P0478 OBD Code Definition:
P0478 Exhaust Pressure Control Valve High
P0478 OBD Code Description: Continue reading

P0480

P0480 OBD Code Definition:
P0480 Cooling Fan 1 Control Circuit Malfunction
P0480 OBD Code Description: Continue reading

P0483

P0483 OBD Code Definition:
P0483 Cooling Fan Rationality Check Malfunction
P0483 OBD Code Description: Continue reading

P0486

P0486 OBD Code Definition:
P0486 Exhaust Gas Recirculation Sensor B Circuit
P0486 OBD Code Description: Continue reading

P0485

P0485 OBD Code Definition:
P0485 Cooling Fan Power/Ground Circuit Malfunction
P0485 OBD Code Description: Continue reading

P0487

P0487 OBD Code Definition:
P0487 Exhaust Gas Recirculation Throttle Control Circuit A Open
P0487 OBD Code Description: Continue reading

P0488

P0488 OBD Code Definition:
P0488 Exhaust Gas Recirculation Throttle Control Circuit A Range/Performance
P0488 OBD Code Description: Continue reading

P0491

P0491 OBD Code Definition:
P0491 Secondary Air Injection System Insufficient Flow Bank 1
P0491 OBD Code Description: Continue reading

P0490

P0490 OBD Code Definition:
P0490 Exhaust Gas Recirculation Throttle Control Circuit A Circuit High
P0490 OBD Code Description: Continue reading

P0489

P0489 OBD Code Definition:
P0489 Exhaust Gas Recirculation Throttle Control Circuit A Circuit Low
P0489 OBD Code Description: Continue reading

P0492

P0492 OBD Code Definition:
P0492 Secondary Air Injection System Insufficient Flow Bank 2
P0492 OBD Code Description: Continue reading