P06D1 OBD II Trouble Code Internal Control Module Ignition Coil Control Performance

How to easily diagnose, repair, and info on causes of a P06D1 trouble code that indicates a detected failure of the Internal Control Module Ignition Coil Control Performance.

Symptoms of P06D1 OBD II Trouble Code

  • Drivability issues, including one or more ignition misfires
  • Diminished engine performance
  • Poor fuel efficiency

Common Causes of P06D1 OBD II Trouble Code

  • Faulty PCM or a PCM programming error
  • Open or shorted primary/secondary ignition circuits
  • Defective ignition coils or coil pack/s
  • Defective crankshaft/camshaft position sensor or circuits
  • Open or shorted circuit or connectors in the CAN harness
  • Insufficient control module ground

Severity of P06D1 OBD II Trouble Code

Internal control module processor codes should be categorized as severe. A stored code P06D1 could result in a variety of drivability concerns.