Diagnostic Aids

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

If DTC B2712 is a history DTC, the fault may be intermittent. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
The following conditions may cause an intermittent malfunction to occur:
- An intermittent short to ground or open in the controlled ground circuit of the automatic transmission shift lock control solenoid.
- The automatic transmission shift lock control solenoid coil is intermittently shorted to ground internally.
- The body control module (BCM) is intermittently shorted to ground internally.

DTC B2712

Step	Action	Yes	No
Schematic Reference: Automatic Transmission Shift Lock Control Schematics Connector End View Reference: Automatic Transmission Shift Lock Control Connector End Views or Body Control System Connector End Views
1	Did you perform the Automatic Transmission Shift Lock Control Diagnostic System Check?	Go to Step 2	Go to Diagnostic System Check - Automatic Transmission Shift Lock Control
2	Turn ON the ignition, with the engine OFF. Press and hold the brake pedal. Attempt to move the gearshift lever from the PARK position. Does the automatic transmission shift lock control system operate correctly?	Go to Diagnostic Aids	Go to Symptoms - Automatic Transmission Shift Lock Control