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Test Description

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. 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.

  1. 2:  This step verifies that DTC B2945 is current. DTC B2945 will only be set as a current DTC when the ignition OFF. To inspect for a current DTC B2945, the ignition must be first turned ON to wake up the module, then the ignition must be turned OFF to inspect for the DTC.
DTC B2945

Step Action Yes No
Schematic Reference: Theft Deterrent System Schematics 
Connector End View Reference: Theft Deterrent System Connector End Views 
1 Did you perform the Diagnostic System Check - Theft Deterrent? Go to Step 2  Go to Diagnostic System Check - Theft Deterrent 
2 
  1. Turn the ignition ON.
  2. Turn the ignition OFF
  3. With a scan tool, check for current DTCs.
Is DTC B2945 set as current?		 Go to Step 3  Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
3 Inspect the security system sensor supply voltage circuit for a short to battery. Refer to and in wiring systems.
Did you find and correct the condition?		 Go to Step 4  Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
4
  1. Use the scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Does the DTC reset?		 Go to Step 2  System OK
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