P062F OBD II Trouble Code Internal Control Module EEPROM Error

How to quickly diagnose, repair, and info on symptoms and causes of a P062F code which indicates a detected PCM internal EEPROM control module error.

Symptoms of P062F OBD II Trouble Code

  • Wide ranging engine/transmission drivability issues
  • No start condition
  • Diminished fuel efficiency
  • Engine stall or shutdown at idle
  • Lack of cooling fan operation

Common Causes of P062F OBD II Trouble Code

  • Defective controller or programming error
  • Overheated PCM
  • Water damage
  • A bad controller power relay or blown fuse
  • Open or shorted circuit or connectors in the CAN harness
  • Insufficient control module ground
  • Faulty EEPROM

Severity of P062F OBD II Trouble Code

Internal control module processor codes should be categorized as severe. A stored code P062F could result in a variety of drivability concerns.