B2222: Right Rear Window Motor Overcurrent
The Body Control Module (BCM) or door module has detected that the current draw from the right rear passenger window motor exceeded the calibrated threshold. This indicates excessive amperage during operation, typically caused by a mechanical bind, a shorted motor winding, or a fault in the module's internal driver circuit.
1. Commonly Affected Makes
2. Most Common Causes
- Right rear window motor shorted or mechanically seized
- Motor power or ground circuit shorted to ground or battery
- Window regulator or guides with excessive binding or broken
- Internal power driver failure in BCM or door module
- Damaged or corroded terminals at motor or module connector causing high resistance
3. Symptoms You Will Notice
- Right rear window does not move or moves very slowly
- Window may stop working intermittently or blow a fuse
4. Step-by-Step Diagnosis
Check for any mechanical binding in the window regulator and guides
Test the window motor by applying direct battery power and ground; if it runs smoothly, the motor is likely good
Inspect the wiring harness and connectors for shorts, opens, or corrosion
Measure current draw of the motor during operation; compare to specifications
If motor and wiring are okay, suspect a faulty BCM or door module
5. Frequently Asked Questions
Is it safe to drive?▼
Yes, the vehicle is safe to drive, but the right rear window will be inoperative until repaired.
How much does it cost to fix?▼
Repair costs typically range from $150 to $400, depending on whether the motor, regulator, or module needs replacement.