OBD-II code · Powertrain (generic)

P0615 Starter Relay Circuit

General electrical fault on the starter relay control circuit driven by the ECU/PCM. Typical symptom is a no-crank or intermittent crank condition.

Is it safe to drive with P0615?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyStarter relay failed
  • PossibleWiring or connector fault

Symptoms

  • Check engine light on
  • Possible limp mode or no-start
  • Multiple follow-up faults across modules
  • Reset/relearn may be needed after repair

Repair at a glance

Difficulty
Easy
DIY friendly
Often, with basic tools
Typical labour
0.2–1.5 h
Emissions test
Usually unaffected
Parts involved
Starter Relay, Relay Wiring

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.