gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Transmission Position Switch/Sensor, A/T > < Engine Controls - Service Engine Soon Light, DTC 22-TPS|Page 2637
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Throttle Position Sensor: Service and Repair

1.

Disconnect TPS electrical connector.

2.

Remove two TPS attaching screws, lockwashers and retainers.

3.

If equipped, remove screw attaching TPS actuator lever to end of throttle.

4.

Remove TPS.

5.

With throttle valve(s) in normal closed idle position, install TPS. Ensure TPS pickup lever is located above tang on throttle actuator lever.

6.

Apply suitable thread locking compound to screw threads, then install retainers, lockwashers and screws. Adjust TPS if adjustable. Refer to
THROTTLE POSITION SENSOR under ADJUSTMENT PROCEDURES.

Transmission Position Switch/Sensor, A/T > < Engine Controls - Service Engine Soon Light, DTC 22-TPS|Page 2637