OBD2 Trouble Codes
Browse 543 diagnostic trouble codes — each with symptoms, causes, cost estimates, and repair guidance.
Rear Wheel Speed Circuit Range/Performance
PCM Indicated Traction Control Malfunction
EBCM Motor Relay Circuit Malfunction
Electronic Control Unit (ECU) Performance
System Disabled Information Stored
ABS Hydraulic Pump Motor Circuit Failure
FordEngine Control System Malfunction
Low Battery Positive Voltage at ABS Control Module
ToyotaAccumulator Low Pressure
ToyotaEngine Position System Performance (Bank 1)
Exhaust Camshaft Position Timing Over-Advanced (Bank 1)
Fuel Rail/System Pressure Too Low
Mass or Volume Air Flow Circuit Malfunction
Mass or Volume Air Flow Circuit Range/Performance
Mass or Volume Air Flow Circuit Low Input
Mass or Volume Air Flow Circuit High Input
Mass or Volume Air Flow Circuit Intermittent
Manifold Absolute Pressure/Barometric Pressure Circuit Malfunction
Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance
Manifold Absolute Pressure/Barometric Pressure Circuit Low Input
Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Manifold Absolute Pressure/Barometric Pressure Circuit Intermittent
Intake Air Temperature Circuit Malfunction
Intake Air Temperature Circuit Range/Performance
Intake Air Temperature Circuit Low Input
Intake Air Temperature Sensor 1 Circuit High
Intake Air Temperature Circuit Intermittent
Engine Coolant Temperature Circuit Malfunction
Engine Coolant Temperature Circuit Range/Performance
Engine Coolant Temperature Sensor 1 Circuit Low Input
Engine Coolant Temperature Sensor 1 Circuit High
Engine Coolant Temperature Circuit Intermittent
Throttle/Pedal Position Sensor/Switch A Circuit Malfunction
Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance
Throttle/Pedal Position Sensor/Switch A Circuit Low Input
Throttle/Pedal Position Sensor/Switch A Circuit High Input
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Insufficient Coolant Temperature for Closed Loop Fuel Control
Insufficient Coolant Temperature for Stable Operation
Intake Air Temperature Too High
Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
Barometric Pressure Too Low
O2 Sensor Circuit Malfunction (Bank 1, Sensor 1)
O2 Sensor Circuit Low Voltage (Bank 1, Sensor 1)
O2 Sensor Circuit High Voltage (Bank 1, Sensor 1)
O2 Sensor Circuit Slow Response (Bank 1, Sensor 1)
O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 1)
O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)
O2 Sensor Circuit Malfunction (Bank 1, Sensor 2)
O2 Sensor Circuit Low Voltage (Bank 1, Sensor 2)
O2 Sensor Circuit High Voltage (Bank 1, Sensor 2)
O2 Sensor Circuit Slow Response (Bank 1, Sensor 2)
O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 2)
O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)
O2 Sensor Circuit Malfunction (Bank 1, Sensor 3)
O2 Sensor Circuit Low Voltage (Bank 1, Sensor 3)
O2 Sensor Circuit High Voltage (Bank 1, Sensor 3)
O2 Sensor Circuit Slow Response (Bank 1, Sensor 3)
O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 3)
O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 3)