OBD II Fault Code

  • OBD II P0800

OBD-II Code 4-wheel drive system is disabled is defined as a Transfer Case Control System (MIL Request)

The Transfer Case locks together the front and rear differentials on a four wheel drive vehicle. If the Transfer Case Control Module detects the Transfer Case is not functioning properly, the Transfer Case Control Module will send a message to the engine computer (PCM) to set code P0800. Additional codes will be stored in the Transfer Case Control Module.

4-wheel drive system is disabled Symptoms

  • 4-wheel drive system is disabled
  • 4-wheel drive system is disabled
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