Automatic Transmission Shift Lock Control System Check. GMC Truck GMC Suburban

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC Suburban - 4WD 🢒 Steering 🢒 Steering Wheel and Column - Tilt 🢒 Automatic Transmission Shift Lock Control System Check

Step	Action	Normal Result(s)	Abnormal Result(s)*
1	With the ignition in the RUN position, depress the brake pedal.	Transmission will shift from the park position.	Automatic Transmission Shift Lock Control Diagnosis
2	Place the ignition in the OFF position and release the brake pedal.	Transmission will not shift from the park position.	Automatic Transmission Shift Lock Control Diagnosis
* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.