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.
Circuit Description
Commanded throttle position (based on accelerator pedal position and possibly other limiting factors) is compared to actual throttle position. Both values should be within calibrated range. Commanded and actual throttle position are monitored redundantly by both PCM and TAC modules.
Conditions for setting DTC are: TAC module detects that commanded and actual throttle positions are not within a calibrated range of each other or PCM and TAC cannot determine throttle position or both sensors are invalid and these conditions are present for less than one second.
NO RELATED
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.