2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 730
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
The body control module (BCM) monitors the window UP/DOWN command from the driver door switch (DDS). When the rear window UP or
DOWN command is received, the BCM sends a signal to the appropriate rear window switch. The rear window switches continuously monitor the
up and down signal circuits, if no function is being commanded, the signal voltage is at approximately B+ voltage. If the UP or DOWN function is
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.
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Saturday, December 7, 2019
2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 730
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