Sierra Classic 3500 4WD V8-8.1L (2007)
Electronic Throttle Control Module: Service and Repair
ELECTRONIC THROTTLE ACTUATOR CONTROL MODULE REPLACEMENT
REMOVAL PROCEDURE
1. Remove the connector position assurance (CPA) retainer (1).
2. Disconnect the instrument panel (I/P) harness electrical connector (2).
3. Disconnect the engine wiring harness electrical connector (1).
4. Remove the throttle actuator control (TAC) module nuts.
5. Remove the TAC module.
