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OBD II Fault Code

  • OBD II P06AB

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

The engine control module (PCM) has failed its own self-test. The PCM will set code P06AB.

Engine may not start Symptoms

  • Engine may not start

Common Problems That Trigger the P06AB Code

  • Powertrain Control Module (PCM) failure
  • Wiring issue
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