All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
Evaporative Emission Control System Pressure Sensor Malfunction
The EVAP system pressure sensor is not providing accurate pressure readings from the fuel tank and EVAP system.
Evaporative Emission Control System Pressure Sensor Range/Performance
The EVAP pressure sensor readings do not correlate with expected values based on system operation.
Evaporative Emission Control System Pressure Sensor Low Input
The EVAP pressure sensor is reading consistently low pressure or has a circuit problem.
Evaporative Emission Control System Pressure Sensor High Input
The EVAP pressure sensor is reading consistently high pressure or has a circuit problem.
P0454: Evaporative Emission Control System Leak Detected
The engine control module (ECM) has detected a leak in the evaporative emission control system, which is responsible for capturing and storing fuel vapors and preventing them from being released into the atmosphere.
EVAP System Leak Detected Large Leak
A large leak has been detected in the evaporative emission control system, allowing significant amounts of fuel vapor to escape.
EVAP System Leak Detected Very Small Leak
A very small leak has been detected in the evaporative emission control system. This is the smallest leak the system can detect.
P0457: Evaporative Emission Control System Incorrect Purge Flow
The Evaporative Emission Control System (EVAP) is not functioning correctly, which can cause the vehicle to emit excessive amounts of hydrocarbons into the atmosphere.
P0458: Evaporative Emission Control System Incorrect Purge Flow
The Evaporative Emission Control System (EVAP) is not functioning correctly, which can cause excessive fuel consumption, decreased engine performance, and increased emissions.
P0459: Evaporative Emission Control System Incorrect Purge Flow
The Evaporative Emission Control System (EVAP) is not functioning correctly, which can cause the vehicle to emit excessive amounts of hydrocarbons into the atmosphere.
P0460: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
Fuel Level Sensor Circuit Range/Performance Problem
The fuel level sensor is not providing accurate readings that correlate with actual fuel level.
Fuel Level Sensor Circuit Low Input
The fuel level sensor is reading consistently low or has a circuit problem causing low voltage.
Fuel Level Sensor Circuit High Input
The fuel level sensor is reading consistently high or has a circuit problem causing high voltage.
P0464: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
P0465: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
P0466: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially affect the vehicle's performance.
P0467: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
P0468: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
P0469: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
P0470: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
P0471: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not functioning within normal parameters, which can cause increased emissions and potentially harm the environment.
P0472: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
P0473: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
P0474: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
P0475: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
P0476: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not functioning within normal parameters, which can cause increased emissions and potentially harm the environment.
P0477: Emissions Control System Not Operating Within Normal Parameters
The Emissions Control System is not functioning within normal parameters, which can cause increased emissions and potentially fail emissions tests.
P0478: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
P0479: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
Cooling Fan 1 Control Circuit Malfunction
The primary engine cooling fan is not being controlled properly by the engine control module.
Cooling Fan 2 Control Circuit Malfunction
The secondary engine cooling fan is not being controlled properly by the engine control module.
P0482: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
P0483: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not functioning within normal parameters, which can cause increased emissions and potentially harm the environment.
P0484: Emissions Control System Not Operating Within Normal Parameters
The Emissions Control System is not functioning within normal parameters, which can cause increased emissions and potentially lead to a failed emissions test.
P0485: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
P0486: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not functioning within normal parameters, which can cause increased emissions and potentially harm the environment.
P0487: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not functioning within normal parameters, which can cause increased emissions and potentially harm the environment.
P0488: Emissions Control System Not Operating Within Normal Parameters
The Emissions Control System (ECS) is not functioning within its normal operating parameters, which can cause the vehicle to fail emissions tests or produce excessive emissions.
P0489: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not functioning within normal parameters, which can cause increased emissions and potentially harm the environment.
P0490: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not functioning within normal parameters, which can cause increased emissions and potentially harm the environment.
P0491: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
P0492: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
P0493: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
P0494: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
P0495: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
P0496: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
P0497: Emissions Control System Not Operating Within Normal Parameters
The engine control module (ECM) has detected that the emissions control system is not operating within normal parameters, which can cause increased emissions and potentially harm the environment.
Evaporative Emission Control System Vent Valve Control Circuit Low
The EVAP vent valve control circuit has low voltage preventing proper valve operation.
Evaporative Emission Control System Vent Valve Control Circuit High
The EVAP vent valve control circuit has high voltage preventing proper valve operation.