DTC B1477 Hummer
Retained Accessory Power Circuit Low
Retained Accessory Power Circuit Low
Description
Battery voltage is 9-16 volts.
Cause and Solution
The BCM detects an open or a short to ground in the RAP relay coil control circuit when the RAP relay is not energized.
The condition above must be present for more than 1 second.
Video Guide
Diagnostic Info
- DTC Code: B1477
- Brand: Hummer