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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 779 (Automatic Transaxle Service, Removal & Installation -- 4T65-E) >> Diagnostic Information and Procedures >> DTC P1887: TCC Release Switch Circuit >> Test Description

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.

This step tests the PCMs ability to recognize a grounded circuit.

A short to ground in this circuit would set DTC P0742.

A short to ground in this circuit would set DTC P0742.

Fig 1: DTC P1887 (1 of 3)
G01531277Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC P1887 (2 of 3)
G01531278Courtesy of GENERAL MOTORS CORP.
Fig 3: DTC P1887 (3 of 3)
G01531279Courtesy of GENERAL MOTORS CORP.
Fig 4: Symptoms - Automatic Transmission (1 of 2)
G01531280Courtesy of GENERAL MOTORS CORP.
Fig 5: Symptoms - Automatic Transmission (2 of 2)
G01531281Courtesy of GENERAL MOTORS CORP.
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