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.
Throttle Control Module
Throttle control module integrates throttle body, throttle motor and 2 Throttle Position (TP) sensors. Throttle control module incorporates 2 potentiometers with common supply and ground circuits and independent signal circuits. As throttle opens, TP sensor No. 1 voltage increases and TP sensor No. 2 voltage decreases. These are used as feedback signals for ECM to compare current throttle position with requested throttle position. TP sensor is used with throttle motor to adjust throttle position to requested cruise position. Any fault in TP sensor system will disable cruise control system. Components included in throttle control module are not serviced separately.
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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.