Inaccurate Shift Points

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

Checks	Causes
Oil Pump Assembly (4)	Stuck pressure regulator valve Sticking pump slide
Valve Body Assembly (60)	Spacer plate or gaskets misassembled, damaged or incorrect
Case (103)	Porous or damaged valve body pad 2-4 Servo Assembly 2-4 accumulator porosity Damaged servo piston seals Apply pin damaged or improper length 2-4 Band Assembly Burned Anchor pin not engaged
Throttle Position Sensor	Disconnected Damage
Vehicle Speed Sensor (36) or Input Speed Sensor (250)	Disconnected Damaged Bolt not tightened
4WD Low Switch	Disconnected Damaged