P15A3
Stop/Start Select Switch Circuit Signal Message Counter Incorrect
P15A3 is an OBD-II diagnostic trouble code meaning: Stop/Start Select Switch Circuit Signal Message Counter Incorrect. Common causes: start-stop button malfunction, damage to the wiring harness to the button. Estimated repair cost: $17–56.
Symptoms
- The start-stop system does not work
- Check Engine Light Is On
- Error message on the dashboard
- The start-stop button does not respond to pressing
Causes
- Start-stop button malfunction
- Damage to the wiring harness to the button
- Poor contact in connectors
- Problems with the start-stop system control module
- Failures in the control unit software
How to Fix
- Check the start-stop button for mechanical damage
- Conduct wiring and connector diagnostics
- Check the power and ground of the button circuit
- Read error codes in the start-stop system control module
- If necessary, replace the button or wiring harness
Related codes
FAQ
What does the P15A3 code mean?
P15A3 is an OBD-II diagnostic trouble code that indicates: Stop/Start Select Switch Circuit Signal Message Counter Incorrect
What causes a P15A3 error code?
The most common causes of P15A3 include: Start-stop button malfunction; Damage to the wiring harness to the button; Poor contact in connectors; Problems with the start-stop system control module.
How do I fix a P15A3 diagnostic trouble code?
To fix P15A3: Check the start-stop button for mechanical damage. Conduct wiring and connector diagnostics. Check the power and ground of the button circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P15A3?
Yes, but get it checked soon
How much does it cost to fix P15A3?
The estimated repair cost for P15A3 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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