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 MANUALSHYUNDAI2022IONIQ PLUG-IN HYBRID SELREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSENGINE CONTROL SYSTEM (PHEV)ETC (ELECTRONIC THROTTLE CONTROL) SYSTEMTROUBLESHOOTINGFAIL-SAFE MODE
2022 Hyundai Ioniq Plug-In Hybrid SEL
Fail-Safe Mode
2022 Hyundai Ioniq Plug-In Hybrid SELSECTION Fail-Safe Mode
| Item | Fail-Safe | ||
|---|---|---|---|
| ETC Motor | Throttle valve stuck at 7° | ||
| TPS | TPS 1 fault | Replace it with TPS 2 | |
| TPS 2 fault | Replace it with TPS 1 | ||
| TPS 1, 2 fault | Throttle Angle (°) | Throttle valve stuck at 7° | |
| Duty (%) |
|
||
| Output Voltage (V) |
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| APS | APS 1 fault | Replace it with APS 2 | |
| APS 2 fault | Replace it with APS 1 | ||
| APS 1, 2 fault | Engine idle state | ||
NOTE:
- When throttle value is stuck at 7°, engine speed is limited at below 1, 500 rpm 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.