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.

2022 Hyundai Tucson Plug-In Hybrid LimitedFACTORY OEM SERVICE PROCEDURE

Fail-Safe Mode

Item	Fail-Safe
ETC Motor	Throttle valve stuck at 9.2°
TPS	TPS1 fault	ECM looks at TPS2
	TPS2 fault	ECM looks at TPS1
	TPS 1, 2 fault	Throttle valve stuck at 9.2°

NOTE:

When throttle value is stuck at 9.2°, engine speed is limited at below 1, 200 - 1, 700 RPM.

Factory Service Tools

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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.