Test Description
WARNING: This page is about a different car, the 2007 Saturn Vue. 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.
- 2: Tests to see if the correct VIN is programmed in the ECM.
- 4: Tests to see if the BCM has been replaced.
- 5: Tests to see if the correct VIN is programmed in the BCM.
DTC B1001
| Step | Action | Yes | No |
|---|---|---|---|
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 |
|
Go to Step 4 | Go to Step 3 |
| 3 | Use a scan tool and/or the techline machine to program the correct VIN into the ECM. Did you complete the action? |
Go to Step 8 | - |
| 4 | Was the body control module (BCM) replaced? | Go to Step 6 | Go to Step 5 |
| 5 | With a scan tool, verify that the BCM is programmed with the correct VIN by comparing the VIN that is stored in the BCM to the VIN that is stored in the ECM. Does the scan tool indicate that the BCM is programmed with the correct VIN? |
Go to Step 7 | Go to Step 6 |
| 6 | Perform the BCM setup/programming procedure. Refer to Control Module References
for replacement, setup, and programming. Did you complete the action? |
Go to Step 8 | - |
| 7 | Replace the sensing and diagnostic module (SDM). Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 8 | - |
| 8 |
|
Go to Step 2 | System OK |