2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 767
commanded, the BCM signal voltage drops approximately 0.5 volts and the appropriate rear window switch will then command the window in the
UP or DOWN direction.
Conditions for Running the DTC
Battery voltage is between 9-16 volts.
Conditions for Setting the DTC
B3819 00
The BCM detects a fault in the left rear window up circuit.
B3820 00
The BCM detects a fault in the left rear window down circuit.
B3822 00
The BCM detects a fault in the right rear window up circuit.
B3823 00
The BCM detects a fault in the right rear window down circuit.
Action Taken When the DTC Sets
The left or right rear power window will be inoperative from the driver master control.
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/General Electrical Diagnostic Procedures/Circuit
Testing/Circuit Testing)
* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic
Procedures/Connector Repairs/Connector Repairs)
* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General
Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)
* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/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 window switch on the driver master control. 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.
2. Ignition ON, test for greater than 9 volts between the signal circuit terminal A and ground while commanding the rear window UP by using
