OBD II Fault Code

  • OBD II P0818

    OBD-II Code Powertrain Control Module (PCM) failure is defined as a Driveline Disconnect Switch Input Circuit

    The Transfer Neutral Position Switch tells the engine computer (PCM) if the engine is in 2-wheel drive, 4-wheel drive, or neutral. If the PCM detects the switch is not operating properly, code P0818 will be set

    Common Problems That Trigger the P0818 Code

    • Powertrain Control Module (PCM) failure
    • Transfer case neutral position switch failure
    • Wiring issue

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