Test Description

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. 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. The step verifies that the fault is present.

3. This step tests the transmission wiring harness and the PC solenoid valve for correct resistance.

9. This step begins diagnosis of the engine side of the circuit.

Fig 1: DTC P0748 (1 of 3)

Courtesy of GENERAL MOTORS CORP.

Fig 2: DTC P0748 (2 of 3)

Courtesy of GENERAL MOTORS CORP.

Fig 3: DTC P0748 (3 of 3)

Courtesy of GENERAL MOTORS CORP.