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OBD II Fault Code

  • OBD II P0635

    OBD-II Code Battery/charging system warning light illuminated is defined as a Power Steering Control Circuit

    Despite the code definition provided, most manufactures use this code to identify improper charging system operation. If the engine computer (PCM) detects the Alternator is not providing sufficient output to run the electrical systems on the vehicle and recharge the battery, code P0635 will set.Any non-essential electronics will also be disabled (i.e. Radio, Climate Control)

    Battery/charging system warning light illuminated Symptoms

    • Battery/charging system warning light illuminated
    • Non-essential electronic devices will be turned off

    Common Problems That Trigger the P0635 Code

    • Alternator failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue
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