P0616 OBD II Trouble Code Starter Relay Circuit Low

How to quickly diagnose and repair, and causes of a P0616 transmission code that indicates a detected low voltage condition within the starter relay circuit.

Symptoms of P0616 OBD II Trouble Code

  • The engine will not start
  • Sporadic no-crank occurrences
  • Check Engine Light illuminated

Common Causes of P0616 OBD II Trouble Code

  • Faulty ignition switch
  • Defective starter relay
  • Faulty starter solenoid
  • Blown fuse or fuse-able link (if applicable)
  • Corroded or damaged connector
  • Corroded or damaged battery cable
  • Faulty or damaged wiring
  • Faulty PCM
  • Defective starter

Severity of P0616 OBD II Trouble Code

The severity of this code can vary tremendously from just an illuminated check engine light on a vehicle that starts and runs to an automobile that will not start at all.