Left Rear Window Up Control Circuit
Table of contents
B3819 CADILLAC Possible Causes
- Faulty Left Rear Power Window Switch
- Left Rear Power Window Switch harness is open or shorted
- Left Rear Power Window Switch circuit poor electrical connection
- Faulty Body Control Module (BCM)
How do I fix code B3819 CADILLAC?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the B3819 CADILLAC code
The cost of diagnosing the B3819 CADILLAC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B3819 CADILLAC Description
The Body Control Module (BCM) grounds the control side of the left rear power window up relay upon receiving a class 2 message from the Driver Door Module (DDM). The Diagnostic Trouble Code (DTC) sets when the BCM has grounded the left rear power window up relay control circuit and the control circuit is shorted to battery positive voltage.