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
Throttle Actuator Control (TAC) module contains data which is essential for proper TAC system operation. TAC module continuously check integrity of this data.
When TAC module is unable to write or read data to and from RAM or TAC module is unable to correctly read data from flash memory or an internal TAC module processor fault is detected, DTC will set.
DTC will set when TAC module determines that an internal data test did not pass and condition is present for less than one second.
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.