Category: OBDii Network Codes

U0049 Vehicle Communication Bus C (+) Low OBD Code: System: Subsystem:  U0049 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Vehicle Communication Bus C (+) Low Location: Analysis: Possible Causes:       Tech description:

U0050 Vehicle Communication Bus C (+) High OBD Code: System: Subsystem:  U0050 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Vehicle Communication Bus C (+) High Location: Analysis: Possible Causes:       Tech description:

U0051 Vehicle Communication Bus C () Open OBD Code: System: Subsystem:  U0051 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Vehicle Communication Bus C () Open Location: Analysis: Possible Causes:       Tech description:

U0052 Vehicle Communication Bus C () Low OBD Code: System: Subsystem:  U0052 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Vehicle Communication Bus C () Low Location: Analysis: Possible Causes:       Tech description:

U0037 Vehicle Communication Bus B OBD Code: System: Subsystem:  U0037 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Vehicle Communication Bus B Location: Analysis: Possible Causes:       Tech description:

U0038 Vehicle Communication Bus B Performance OBD Code: System: Subsystem:  U0038 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Vehicle Communication Bus B Performance Location: Analysis: Possible Causes:       Tech description:

U0039 Vehicle Communication Bus B (+) Open OBD Code: System: Subsystem:  U0039 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Vehicle Communication Bus B (+) Open Location: Analysis: Possible Causes:       Tech description:

U0040 Vehicle Communication Bus B (+) Low OBD Code: System: Subsystem:  U0040 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Vehicle Communication Bus B (+) Low Location: Analysis: Possible Causes:       Tech description:

U0041 Vehicle Communication Bus B (+) High OBD Code: System: Subsystem:  U0041 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Vehicle Communication Bus B (+) High Location: Analysis: Possible Causes:       Tech description:

U0042 Vehicle Communication Bus B () Open OBD Code: System: Subsystem:  U0042 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Vehicle Communication Bus B () Open Location: Analysis: Possible Causes:       Tech description:

U0043 Vehicle Communication Bus B () Low OBD Code: System: Subsystem:  U0043 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Vehicle Communication Bus B () Low Location: Analysis: Possible Causes:       Tech description:

U0044 Vehicle Communication Bus B () High OBD Code: System: Subsystem:  U0044 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Vehicle Communication Bus B () High Location: Analysis: Possible Causes:       Tech description:

U0045 Vehicle Communication Bus B () shorted to Bus B (+) OBD Code: System: Subsystem:  U0045 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Vehicle Communication Bus B () shorted to Bus B (+) Location: Analysis: Possible Causes:       Tech description:

U0046 Vehicle Communication Bus C OBD Code: System: Subsystem:  U0046 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Vehicle Communication Bus C Location: Analysis: Possible Causes:       Tech description:

U0047 Vehicle Communication Bus C Performance OBD Code: System: Subsystem:  U0047 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Vehicle Communication Bus C Performance Location: Analysis: Possible Causes:       Tech description:

U0036 Vehicle Communication Bus A () shorted to Bus A (+) OBD Code: System: Subsystem:  U0036 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Vehicle Communication Bus A () shorted to Bus A (+) Location: Analysis: Possible Causes:       Tech description:

U0025 Low Speed Controller Area Network (CAN) Communication Bus () Low OBD Code: System: Subsystem:  U0025 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Low Speed Controller Area Network (CAN) Communication Bus () Low Location: Analysis: Possible Causes:       Tech description:

U0026 Low Speed Controller Area Network (CAN) Communication Bus () High OBD Code: System: Subsystem:  U0026 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Low Speed Controller Area Network (CAN) Communication Bus () High Location: Analysis: Possible Causes:       Tech description:

U0027 Low Speed Controller Area Network (CAN) Communication Bus () shorted to Bus (+) OBD Code: System: Subsystem:  U0027 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Low Speed Controller Area Network (CAN) Communication Bus () shorted to Bus (+) Location: Analysis: Possible Causes:       Tech description:

U0028 Vehicle Communication Bus A OBD Code: System: Subsystem:  U0028 – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Vehicle Communication Bus A Location: Analysis: Possible Causes:       Tech description: