U18AF

U18AF

DTC U18AF, sometimes indicated as U18AF00 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle user network.


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    Bulletins

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

    • 19NA106 - ELECTRICAL SYSTEM
      CHEVROLET: This technical bulletin provides a correction for a condition of onstar red led illuminated - dtcs U18B4, U18B5, U18AF set.
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