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Home >> Cadillac >> 2011 >> STS AWD >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Diagnostic Information and Procedures >> DTC B1015 >> Circuit/System Verification

Circuit/System Verification

  1. 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.
  2. 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.
  3. If all modules stored VIN match the actual VIN, replace the RCDLR.
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