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.

3. HI values for all signals in both Park and Drive 4 indicates the ground circuit is OPEN.

5. With the 20-way connector disconnected, all signals should indicate #1.

7. If one circuit affects the other, this indicates a short between the two circuits.

13. This step tests the internal transmission harness. If no fault is found in the harness, the fault will be in the switch.

Fig 1: DTC P1819 (1 of 3)

Courtesy of GENERAL MOTORS CORP.

Fig 2: DTC P1814 (2 of 3)

Courtesy of GENERAL MOTORS CORP.

Fig 3: DTC P1814 (3 of 3)

Courtesy of GENERAL MOTORS CORP.