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.
2023 Kia Niro EXFACTORY OEM SERVICE PROCEDURE
Fail-Safe Mode
| Item | Fail-Safe | |
|---|---|---|
| Throttle motor | Throttle valve stuck at 5° | |
| TPS 1, 2 | TPS 1 fault | Using the TPS 2 signal |
| TPS2 fault | Using the TPS 1 signal | |
| TPS 1, 2 fault | Throttle valve stuck at 5° | |
| APS 1, 2 | APS 1 fault | Using the APS 2 signal |
| APS 2 fault | Using the APS 1 signal | |
| APS 1, 2 fault | Change to idle state | |
InformationÂ
When throttle value is stuck at 5°, engine speed is limited at below 1, 500 rpm and vehicle speed at maximum 40 - 50 km/h (25 - 31 mph).
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.