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 MANUALSCHEVROLET2013TAHOE 4WD V8-6.0L HYBRIDREPAIR AND DIAGNOSISMAINTENANCESERVICE INTERVALSCONDITION/INDICATOR BASED MAINTENANCE SERVICESVEHICLE CHECKSAUTOMATIC TRANSMISSION SHIFT LOCK CONTROL FUNCTION CHECK
2013 Chevrolet Tahoe 4WD V8-6.0L Hybrid
Automatic Transmission Shift Lock Control Function Check
2013 Chevrolet Tahoe 4WD V8-6.0L HybridSECTION Automatic Transmission Shift Lock Control Function Check
Automatic Transmission Shift Lock Control Function Check
Warning: When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured.
1. Before starting this check, be sure there is enough room around the vehicle. It should be parked on a level surface.
2. Firmly apply the parking brake.
Be ready to apply the regular brake immediately if the vehicle begins to move.
3. With the engine off, turn the ignition on, but do not start the engine. Without applying the regular brake, try to move the shift lever out of P (Park) with normal effort. If the shift lever moves out of P (Park), contact your dealer for service.
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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.