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.
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HOMESERVICE MANUALSHYUNDAI2011TUCSON GL, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSENGINE CONTROL SYSTEMETC (ELECTRONIC THROTTLE CONTROL) SYSTEMTROUBLESHOOTINGFAIL-SAFE MODE
2011 Hyundai Tucson GL, Automatic
Fail-Safe Mode
2011 Hyundai Tucson GL, AutomaticSECTION Fail-Safe Mode
FAIL/SAFE MODE TROUBLESHOOTING
| Item | Fail-Safe | |
|---|---|---|
| ETC Motor | Throttle valve stuck at 5° | |
| TPS | TPS 1 fault | Replace it with TPS 2 |
| TPS 2 fault | Replace it with TPS 1 | |
| TPS 1, 2 fault | Throttle valve stuck at 5° | |
| APS | APS 1 fault | Replace it with APS 2 |
| APS 2 fault | Replace it with APS 1 | |
| APS 1, 2 fault | Throttle valve stuck at 5° | |
NOTE:
When throttle value is stuck at 5°, engine speed is limited at below 1, 500rpm and vehicle speed at maximum 40 ~ 50 km/h (25 ~ 31 mph)
RENDER: 1.0x
NO RELATED
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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.