U1421

U1421

DTC U1421, sometimes indicated as U142100 is an OBD diagnostic trouble code indicating a manufacturer-specific 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.

    • A9124052070942_3 - ELECTRICAL SYSTEM
      AUDI: This bulletin provides information when there is no diagnostic communication to the control module (conbox), dtc U142100.
    • A9123492056076_2 - UNKNOWN OR OTHER
      AUDI: This bulletin provides information when there is no diagnostics communication to the telematics control module in vehicles with conbox low; dtc U142100.
    • A9123362070942_2 - COMMUNICATION:MANUFACTURER TELEMATICS
      AUDI: This bulletin provides information for when there is no diagnostic communication to the telematics control module (conbox); dtc U142100.
    • A9123192056076_1 - ELECTRICAL SYSTEM
      AUDI: This bulletin provides information for when there is no communication to the telematics control module, dtc U142100.
    • A9123152070942_1 - COMMUNICATION:MANUFACTURER TELEMATICS
      AUDI: This bulletin provides information for when there is no diagnostic communication to the telematics control module (conbox) dtc U142100.
    • A912308205607618 - COMMUNICATION:MANUFACTURER TELEMATICS
      AUDI: Ths bulletin provides information for when no diagnostics communication to the telematics control module; dtc U142100 may be stored.
    • A9123702062973_4 - ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
      AUDI: This bulletin provides information for when an sos malfunction is displayed in the instrument cluster; dtcs U142100, U164200, and/or U122C00.
    • A9122442062973_3 - ELECTRICAL SYSTEM
      AUDI: This bulletin states that an sos malfunction accompanied by dtcs U142100, U164200, and/or U122C100 my be stored erroneously and the etcs should be cleared.
    • A9122332062973_2 - EQUIPMENT:ELECTRICAL
      AUDI: This bulletin states that an sos malfunction accompanied by dtcs U142100, U164200, and/or U122C100 my be stored erroneously and the etcs should be cleared.
    • A9022732052299_5 - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
      AUDI: This bulletin contains repair instructions for proper transport mode deactivation (dtc U142100, dtc P169A00, and U13EB00 ).
    • A9022462052299_4 - EQUIPMENT
      AUDI: This bulletin contains repair instructions for proper transport mode deactivation (dtc U142100, dtc P169A00, and U13EB00 ).
    • A9121912062973_1 - ELECTRICAL SYSTEM
      AUDI: This bulletin contains instructions for when dtc U142100, U164200, and/or U122C00 are stored in the gateway module with an sos malfunction message in the instrument cluster.
    • A901898 2052299- - EQUIPMENT
      AUDI: This bulletin contains repair instructions for proper transport mode deactivation (dtc U142100 and dtc P169A00).
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