U0641

U0641

DTC U0641, sometimes indicated as U064100 is an OBD diagnostic trouble code indicating a generic fault with the vehicle user network.


    DTC Trouble Code Search
    Bulletins

    Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

    • A9724052069123_2 - FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
      AUDI: This bulletin provides information for when dtc U064100, or U06400 are stored for fuel tank breather, and the mil is illuminated.
    • A9723902069123_1 - ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
      AUDI: This bulletin provides instructions for when the check engine warning lamp is illuminated and dtcs U064000 and/or U064100 may be stored sporadically.
    Previous Code: U0640 | Next Code: U0642