Transmission Will Not Make a Specific Shift

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Condition	Action
Low engine power	Correct the engine condition.
Extreme fluid temperature	Inspect the cooling system and fluid level. Refer to Transmission Fluid Checking Procedure .
Faulty speed sensor/circuit	Repair the circuit or replace the speed sensor or sensors. Refer to Speed Sensor Replacement .
Faulty temperature sensor/circuit	Inspect for a temperature reading which inhibits shifts.
Faulty or misadjusted shift selector	Repair the shift selector.