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.
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HOMESERVICE MANUALSCHEVROLET2002AVALANCHE 1500 2WD V8-5.3L VIN TREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSELECTRONIC THROTTLE CONTROL MODULESERVICE AND REPAIR
2002 Chevrolet Avalanche 1500 2WD V8-5.3L VIN T
Electronic Throttle Control Module: Service and Repair
2002 Chevrolet Avalanche 1500 2WD V8-5.3L VIN TSECTION Service and Repair
THROTTLE ACTUATOR CONTROL (TAC) MODULE REPLACEMENT
REMOVAL PROCEDURE

1. Release the retainer tab from the left side of the throttle actuator control (TAC) module.
2. Slowly slide the TAC module out of the retaining bracket.
3. Disconnect the TAC module connectors from the TAC module.
INSTALLATION PROCEDURE

1. Connect the TAC module connectors to the TAC module.
2. Slide the TAC module into the TAC module bracket.
3. Push the TAC module towards the bracket in order to snap the TAC module into the bracket.
REMOVAL PROCEDURE
1. Release the retainer tab from the left side of the throttle actuator control (TAC) module.
2. Slowly slide the TAC module out of the retaining bracket.
3. Disconnect the TAC module connectors from the TAC module.
INSTALLATION PROCEDURE
1. Connect the TAC module connectors to the TAC module.
2. Slide the TAC module into the TAC module bracket.
3. Push the TAC module towards the bracket in order to snap the TAC module into the bracket.
RENDER: 1.0x
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.