All OBD2 Trouble Codes

Browse 568 diagnostic trouble codes. Click any code for its meaning, symptoms, causes, and fixes.

Body or Airbag Control Module Fault (Meaning Varies by Manufacturer)

Battery Voltage High

Battery Voltage Low

ECU Is Defective

Oil Change Reset Button Circuit Short To Ground

Oil Change Reset Button Circuit Failure

Oil Change Reset Button Circuit Open

Oil Change Reset Button Circuit Short To Battery

Seat Driver Memory Position Error

Seat Passenger Memory Position Error

Mirror Driver Horizontal Feedback Potentiometer Circuit Failure

Mirror Driver Horizontal Feedback Potentiometer Circuit Open

Mirror Driver Horizontal Feedback Potentiometer Circuit Short to Battery

Mirror Driver Horizontal Feedback Potentiometer Circuit Short to Ground

ABS Hydraulic Pump Motor Circuit Failure

ABS Hydraulic Pump Motor Circuit Open

ABS Hydraulic Pump Motor Circuit Short to Ground

ABS Hydraulic Pump Motor Circuit Short to Battery

ABS Pump Switch Circuit Failure

ABS Inlet Valve Coil LF Circuit Failure

ABS Inlet Valve Coil LF Circuit Open

ABS Inlet Valve Coil LF Circuit Short to Battery

Engine Control System Malfunction (ABS/TCS/VSC)

Brake Warning Lamp Output Circuit Failure

Brake Warning Lamp Output Circuit Open

Brake Warning Lamp Output Circuit Short to Battery

Brake Warning Lamp Output Circuit Short to Ground

ABS Hydraulic Pressure Differential Switch Input Circuit Failure

ABS Hydraulic Pressure Differential Switch Input Open Circuit

ABS Pressure Differential Switch Short to Battery

ABS Pressure Differential Switch Short to Ground

Transfer Case Encoder Circuit Failure

"A" Camshaft Position - Timing Over-Advanced or System Performance (Bank 1)

Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)

"A" Camshaft Position - Timing Over-Advanced or System Performance (Bank 2)

Mass or Volume Air Flow (MAF) Sensor Circuit Range/Performance

Mass Air Flow Sensor Circuit Low

Mass Air Flow Sensor Circuit High

Mass Air Flow Sensor Circuit Intermittent

Manifold Absolute Pressure Sensor Circuit

Manifold Absolute Pressure Sensor Range/Performance

Manifold Absolute Pressure Sensor Circuit Low

Manifold Absolute Pressure Sensor Circuit High

Manifold Absolute Pressure Sensor Circuit Intermittent

Intake Air Temperature Sensor 1 Circuit

Intake Air Temperature Sensor 1 Range/Performance

Intake Air Temperature Sensor 1 Circuit Low

Intake Air Temperature (IAT) Sensor Circuit High Input

Intake Air Temperature Sensor 1 Circuit Intermittent

Engine Coolant Temperature Circuit Malfunction

Engine Coolant Temperature Sensor Range/Performance

Engine Coolant Temperature Circuit Low Input

Engine Coolant Temperature Circuit High Input

Engine Coolant Temperature Sensor Circuit Intermittent

Throttle Position Sensor Circuit

Throttle Position Sensor/Switch Circuit Range/Performance

Throttle Position Sensor/Switch Circuit Low Input

Throttle Position Sensor/Switch Circuit High Input

Throttle Position Sensor Circuit Intermittent

Insufficient Coolant Temperature for Closed Loop Fuel Control