Our automotive experts have put together the following information about the P0656 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P0656 code.

OBD II Fault Code

  • OBD II P0656

    OBD-II Code Powertrain Control Module (PCM) failure is defined as a Fuel Level Output Circuit

    The Fuel Level Gauge should make a sweep when the key is initially turned on. If Gauge fails to move, the engine control module (PCM) will set code P0656.

    Common Problems That Trigger the P0656 Code

    • Instrument cluster failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue
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