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StartingSeverity Medium: diagnose soon

P0615Starter Relay Circuit

What it means

The ECU sees a fault in the circuit that controls the starter relay.

Symptoms

  • Engine doesn't crank or cranks intermittently
  • Starter keeps running (rare)

Common causes

  • Faulty starter relay
  • Wiring or connector fault
  • Faulty clutch or neutral switch input

What to check first

  1. Check the relay and its control from the ECU
  2. Check clutch/neutral switch inputs
  3. Check the starter solenoid supply
Can I drive with P0615? Usually yes for a short distance, but performance or economy may suffer and the fault can get worse. Diagnose it soon.

Generic OBD-II meaning. Manufacturer-specific meanings and checks can differ; always check the service information for the car.

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P0615: questions and answers

What does P0615 mean?

P0615: Starter Relay Circuit. The ECU sees a fault in the circuit that controls the starter relay.

What are the symptoms of P0615?

Engine doesn't crank or cranks intermittently. Starter keeps running (rare).

What causes P0615?

Faulty starter relay. Wiring or connector fault. Faulty clutch or neutral switch input.

How do you diagnose P0615?

1. Check the relay and its control from the ECU 2. Check clutch/neutral switch inputs 3. Check the starter solenoid supply

Can I drive with P0615?

Usually yes for a short distance, but performance or economy may suffer and the fault can get worse. Diagnose it soon.