P0654 OBD II Trouble Code Engine RPM Output Circuit Malfunction

How to easily diagnose, repair, and info on causes of a P0654 trouble code that indicates a detected failure of the engine RPM output circuit.

Symptoms of P0654 OBD II Trouble Code

  • Erratic or harsh transmission shifting
  • ABS or TCS problems
  • Engine drivability issues
  • Stored ABS and TCS codes

Common Causes of P0654 OBD II Trouble Code

  • PCM programming error
  • Faulty controller or PCM
  • Open or shorted circuit between the PCM and the instrument panel or other controllers

Severity of P0654 OBD II Trouble Code

A P0654 should be categorized as severe because it could result in transmission shifting issues and/or antilock brake system (ABS) and electronic traction control system (TCS) problems.