Test Description

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

2. This step tests the function of the TFP manual valve position switch.
3. This step tests whether the scan tool commanded all the shifts, or whether all the shift solenoids responded correctly, but all of the correct shifts did not occur.

Fig 1: DTC P0751 (Steps 1 - 2)

Courtesy of GENERAL MOTORS CORP.

Fig 2: DTC P0751 (Steps 3 - 6)

Courtesy of GENERAL MOTORS CORP.