2010 Cadillac CTS Sedan AWD V6-3.6L Page 618
B3824 00
The BCM detects a fault in the right rear window lockout circuit.
Action Taken When the DTC Sets
The left or right rear power window will be inoperative.
Conditions for Clearing the DTC
* The DTC will be current for as long as the fault is present.
* When the fault is no longer present, the DTC will be a history DTC.
* A history DTC will clear after 50 ignition cycles
Reference Information
Schematic Reference
Moveable Window Schematics (See: Windows and Glass/Windows/Diagrams/Electrical Diagrams)
Connector End View Reference
Component Connector End Views (See: Diagrams/Connector Views)
Description and Operation
Power Windows Description and Operation (See: Windows and Glass/Windows/Description and Operation/Power Windows Description and
Operation)
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
Ignition ON, command the appropriate rear door window UP and DOWN by using the rear door window switch. The rear door window should
perform UP and DOWN function.
Circuit/System Testing
1. Ignition OFF, disconnect the harness connector at the appropriate rear window switch.
Important: Check the lockout switch on the driver door switch and verify the rear window switches are enabled.
2. Ignition ON, test for greater than 9 volts between the control circuit terminal D and ground.
瀚慖f less than the specified range, test the control circuit for a short to ground or open/high resistance. If the circuit tests normal, replace the
BCM.
3. If all circuits test normal, replace the rear window switch.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Rear Side Door Window Switch Replacement (See: Windows and Glass/Windows/Service and Repair/Rear Side Door Window Switch
Replacement)
* Control Module References (See: Testing and Inspection/Programming and Relearning) for BCM replacement, setup, and programming
B3822
DTC B3819, B3820, B3822, or B3823
Diagnostic Instructions
