Circuit/System Verification
WARNING: This page is about a different car, the 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
- With a scan tool, verify the stored VIN in the IPM matches the actual vehicle VIN.
- If VIN does not match, perform the BCM Programming/RPO Configuration procedure. If the IPM VIN does not match the actual VIN after programming or the programming procedure can not be performed, replace the IPM.
- With a scan tool, verify the stored VIN in the following modules matches the actual vehicle VIN:
- RIM
- DDM
- FPDM
- LRDM
- RRDM
- DPM
- If any modules stored VIN does not match the actual VIN, perform the setup procedure for that module. If the stored VIN does not match after setup, replace the module.
- If all modules stored VIN match the actual VIN, replace the RCDLR.