Test Description

WARNING: This page is about a different car, the 2003 GMC Yukon XL, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

The number below refers to the step number on the diagnostic table.

2. This step tests that the PCM commanded all shifts, that all shift solenoid valves responded correctly, but that all the shifts did not occur.

Fig 1: Diagnostic Trouble Code (DTC P0757) Table (Step 1-2)
Courtesy of GENERAL MOTORS CORP.

Fig 2: Diagnostic Trouble Code (DTC P0757) Table (Step 3-5)
Courtesy of GENERAL MOTORS CORP.