GM Service Manual Online
For 1990-2009 cars only

Checks

Causes

Actuator Rod

    • Bent
    • Guide damaged

Detent Lever

Mislocated or broken

Detent Spring

Weak or broken

Manual Linkage

Misadjusted or disconnected

Park Pawl

Damaged tooth

Park Pawl Pivot Pin

Missing

Parking Lock Gear

Damaged teeth