Fault Codes :
1. U0140 - Lost Communication with BCM
Symptoms :
1. Headlights or taillights staying on
2. flickering instrument cluster lights
3. unresponsive interior cabin lights
4. Key fob completely unresponsive
5. power door locking/unlocking on their own
6. alarm triggering randomly
7. Power windows failing
8. Erratic wiper operation
9. side mirrors refusing to adjust
10. Intermittent no-crank / no-start conditions
