P0615Starting System
Starter Relay Circuit
P0615 indicates a fault in the starter relay control circuit. It can be a bad relay, wiring or connector problems, or a control module output fault.
🚗 If it starts, yes. But a starter relay fault can cause a no-start later. Address it soon.
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🎯 Top Causes, Ranked by Likelihood
#1Faulty starter relay$15-$120
A worn or failed relay disrupts the crank circuit.
#2Wiring or connector fault$40-$300
Broken or shorted wiring in the relay control circuit.
#3Corroded relay socket$10-$100
A poor relay connection interrupts the signal.
#4Control module output fault$200-$900
Rarely, the module driver for the relay fails.
🩺 Common Symptoms
- No-start or intermittent cranking
- Clicking with no crank
- Check engine light
- Starter engages inconsistently
💰 Repair Cost: DIY vs Shop
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🔧 How to Diagnose P0615
1Test and swap the starter relay
2Check the relay control wiring and socket
3Inspect the connector for corrosion
4Repair wiring or replace the relay as needed
❓ Frequently Asked Questions
Can I drive with P0615?
If the engine starts, yes, but you risk a no-start later. Fix it soon.
How much to fix P0615?
A relay is cheap; wiring repairs run higher, up to a few hundred dollars.
Is P0615 serious?
Medium severity. It can leave you unable to start, so address it promptly.
🔗 Related Codes
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