2010 Cadillac CTS Sedan AWD V6-3.6L Page 282
Schematics)
Connector End View Reference
Component Connector End Views (See: Diagrams/Connector Views)
Description and Operation
Immobilizer Description and Operation (without Y41) (See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Description and
Operation/Immobilizer Description and Operation (Without Y41))Immobilizer Description and Operation (with Y41) (See: Accessories and
Optional Equipment/Antitheft and Alarm Systems/Description and Operation/Immobilizer Description and Operation (With Y41))
Electrical Information Reference
* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/Circuit Testing/Circuit Testing)
* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/Connector Repairs/Connector Repairs)
* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/Circuit
Testing/Testing for Intermittent Conditions and Poor Connections)
* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/Wiring Repairs/Wiring Repairs)
Scan Tool Reference
Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information
Circuit/System Verification
1. With a scan tool, verify the stored VIN in the BCM matches the actual vehicle VIN.
瀚慖f VIN does not match, perform the BCM Programming/RPO Configuration procedure. If the BCM VIN does not match the actual VIN
after programming, replace the BCM.
2. With a scan tool, verify the stored VIN in the following modules match the actual vehicle VIN:
* IPC
* XBCM
* DDM
* PDM
瀚慖f 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.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
Control Module References (See: Testing and Inspection/Programming and Relearning) for BCM, XBCM, RCDLR, IPC, DDM, PDM
replacement, setup, and programming
Immobilizer Without Y41
DTC B1015 (without Y41)
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
DTC Descriptor
DTC B1015 00
- Vehicle Identification Number (VIN) Information Error
Circuit/System Description
After a loss of battery power has been restored, the theft deterrent module (TDM) will perform a check on the stored vehicle identification number
(VIN). If the VIN is CORRECT, the TDM will run the VIN Timer for a programmable length of time, typically 10 minutes. The TDM will send a
