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OBD II Fault Code

  • OBD II P06AA

    OBD-II Code Engine may not start is defined as a PCM/ECM/TCM Internal Temperature "B" Too High

    The engine control module (PCM) has failed its own self-test. The PCM will set code P06AA.

    Engine may not start Symptoms

    • Engine may not start

    Common Problems That Trigger the P06AA Code

    • Internal transmission failure
    • Powertrain Control Module (PCM) failure
    • Transmission fluid level is low
    • Wiring issue
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