Category: OBDii Network Codes

U0070 Vehicle Communication Bus E () Low

U0070 Vehicle Communication Bus E () Low OBD Code: System: Subsystem:  U0070 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Vehicle Communication Bus E () Low Location: Analysis: Possible Causes:       Tech description:

U0071 Vehicle Communication Bus E () High

U0071 Vehicle Communication Bus E () High OBD Code: System: Subsystem:  U0071 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Vehicle Communication Bus E () High Location: Analysis: Possible Causes:       Tech description:

U0072 Vehicle Communication Bus E () shorted to Bus E (+)

U0072 Vehicle Communication Bus E () shorted to Bus E (+) OBD Code: System: Subsystem:  U0072 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Vehicle Communication Bus E () shorted to Bus E (+) Location: Analysis: Possible Causes:       Tech description:

U0073 Control Module Communication Bus Off

U0073 Control Module Communication Bus Off OBD Code: System: Subsystem:  U0073 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Control Module Communication Bus Off Location: Analysis: Possible Causes:       Tech description: