Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Engine start/stop switch does not work (2014 2015)
Diagnostic procedure
- 1.
Check for DTCs. If any DTC is indicated, go to the DTC troubleshooting
Also check for
- ACC relay circuit
- Keyless access/TPMS control unit
- Engine start/stop switch
- SS1+ line short
- SS2- line short
- Harness
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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