FixVault

Diagnostic Trouble Codes Definitions: Notes

NOTE: Speed sensor diagnostics and code retrieval use different DLC1 terminals with short pin connected. If a speed sensor or speed sensor circuit problem is suspected, see SPEED SENSOR DIAGNOSTICS .

Check suspect components in order given. See COMPONENT TESTING . Checks consist mainly of a visual inspection and continuity checks. For diagnostic flow charts, see CIRCUIT TESTS .

DIAGNOSTIC TROUBLE CODES (DTC) DEFINITIONS

DTC Description
Code 11  Open ABS Control Solenoid Relay Circuit, Defective ABS Control Solenoid Relay
Code 12  Short To Voltage In ABS Control Solenoid Relay Circuit, Defective ABS Control Solenoid Relay
Code 13  Open Or Short In ABS Control Pump Motor Relay Circuit, Defective ABS Control Pump Motor Relay
Code 14  Short To Voltage In ABS Control Pump Motor Relay Circuit, Defective ABS Control Pump Motor Relay
Code 21  Open Or Short In 2-Position Solenoid Circuit For Right Front Wheel, Defective ABS Actuator
Code 22  Open Or Short In 2-Position Solenoid Circuit For Left Front Wheel, Defective ABS Actuator
Code 23  Open Or Short In 2-Position Solenoid Circuit For Rear Wheel, Defective ABS Actuator
Code 31  Malfunction Of Right Front Wheel Speed Sensor Signal
Code 32  Malfunction Of Left Front Wheel Speed Sensor Signal
Code 33  Malfunction Of Right Rear Wheel Speed Sensor Signal
Code 34  Malfunction Of Left Rear Wheel Speed Sensor Signal
Code 37  Neither Front Speed Sensor Rotor Missing, Front Axle Hub, Front Speed Sensor, Front Speed Sensor Circuit
Code 41  Low Battery Voltage, Or Excessively High Battery Voltage
Code 43  4WDMalfunction Of Deceleration Sensor
Code 44  4WDOpen Or Short In Deceleration Sensor Circuit
Code 48  Open Or Short In Rear Differential Lock Circuit
Code 51  Actuator Pump Motor Is Locked