Monday, March 29, 2021

2010 Cadillac CTS Sedan AWD V6-3.6L Page 621

2010 Cadillac CTS Sedan AWD V6-3.6L Page 621



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



B3823



DTC B3819, B3820, B3822, or B3823



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 Descriptors



DTC B3819 00



- Left Rear Window Up Control Circuit



DTC B3820 00



- Left Rear Window Down Control Circuit



DTC B3822 00



- Right Rear Window Up Control Circuit



DTC B3823 00



- Right Rear Window Down Control Circuit



Diagnostic Fault Information



Circuit/System Description