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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 following numbers refer to the step numbers in the diagnostic table:

  1. 2:  This test checks for current inflatable restraint sensing and diagnostic module (SDM) DTCs.
  2. 3:  This test checks to see if the correct vehicle information numbers (VIN) is programmed in the body control module (BCM).
  3. 4:  This step explains that the BCM must be programmed.
  4. 6:  This test checks to see if after clearing the DTCs if this DTC is current then its possible that the wrong SDM has been installed.
DTC B1001

Step Action Yes No
Schematic Reference: SIR Schematics 
1 Did you perform the Diagnostic System Check - SIR? Go to Step 2  Go to Diagnostic System Check - SIR 
2 
  1. Turn OFF the ignition.
  2. Use the scan tool to request SIR DTCs displayed.
  3. Turn ON the ignition, with the engine OFF.
Does the scan tool indicate that this DTC is current?		 Go to Step 3  Go to Step 8 
3  With the scan tool, verify that the body control module (BCM) is programmed with the correct vehicle information numbers (VIN) that is stored in the BCM to the VIN plate of the vehicle.
Is the BCM programmed with the correct VIN?		 Go to Step 5  Go to Step 4 
4  Use the scan tool to program the correct VIN into the BCM. Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control System.
Did you complete the reprogramming procedure?		 Go to Step 5  -
5 Use the scan tool to perform the setup SDM part number in BCM procedure under SIR special functions.
Did you complete the reprogramming procedure?		 Go to Step 6  -
6 
  1. Use the scan tool to check to see if DTC B1001 is current.
  2. Clear the DTCs.
  3. Turn OFF the ignition then turn ON the ignition, with the engine OFF.
Does the scan tool indicate that this DTC is current?		 Go to Step 7  Go to Step 8 
7 Replace the inflatable restraint sensing and diagnostic module (SDM). Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement .
Did you complete the replacement?		 Go to Step 8  -
8
  1. Reconnect all SIR components.
  2. Verify that all components, connectors and CPAs are properly mounted.
  3. Use the scan tool in order to Clear the DTCs.
  4. Turn OFF the ignition then turn ON the ignition, with the engine OFF.
  5. Operate the vehicle within the Conditions for Running the DTC as specified in the text.
Does the DTC reset?		 Go to Step 2  System OK
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