No Park or Drive

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Checks	Causes
Output Shaft Assembly (70)	Inspect for a broken or damaged output shaft. Inspect for worn splines.
Case Assembly	Inspect for broken or damaged case. Inspect for broken or bent park pawl actuator. Inspect for broken or missing park pawl actuator guide pin or manual shaft pin. Inspect for broken, loose or misaligned park pawl guide. Inspect for binding or broken park pawl or actuator assembly.
Manual Shift Detent Lever Assembly (511)	Inspect for broken or disengaged manual valve detent.