P0614 OBD II Trouble Code ECM/TCM Incompatible

How to easily diagnose, repair, and info on causes of a P0614 trouble code that indicates a detected ECM/TCM compatibility issue.

Symptoms of P0614 OBD II Trouble Code

  • Engine drivability issues
  • Engine stall or no-start
  • Erratic transmission shift patterns
  • Harsh transmission shifting
  • Inoperable or inaccurate speedometer/odometer
  • Other stored ECM/TCM codes

Common Causes of P0614 OBD II Trouble Code

  • Faulty ECM/TCM
  • ECM/TCM programming error
  • Open or shorted circuit or connectors in the CAN harness
  • Failed ECM/TCM power source
  • Insufficient control module ground

Severity of P0614 OBD II Trouble Code

Internal control module codes must always be taken seriously. A stored code P0614 could result in a variety of drivability and automatic transmission concerns.