I recently purchased AlfaOBD and BCM is reporting fault number B17A5 which indicates some kind of "Halo Lighting Ground Short" or something along those lines. I had not noticed it before the fault, but I checked and the accent LED lighting (door handles and map pockets) on the the rear doors is not working. Googling the fault number returns the following:
I have 2015 3500 Longhorn Laramie Crew Cab. I pulled the door panels and connect each LED bulb to a 9V battery and they all lit up so it is definitely an electrical issue. Where do a start? Is there a wiring diagram for this section I can reference?
Make: Jeep
Code: B17A5-11
Definition: Halo Lamps Control-Circuit Short To Ground
Cause:
This sub type is used for failures, where the control module measures ground (battery negative) potential for greater than a specified time period or when some other value is expected.Code: B17A5-11
Definition: Halo Lamps Control-Circuit Short To Ground
Cause:
- (M5) Ambient Lamp Driver Circuit Shorted To Ground
- Left Or Right Map Pocket Lamp
- Left Or Right Door Handle Lamp
- Cupholder Lamp
- Body Control Module (BCM)
I have 2015 3500 Longhorn Laramie Crew Cab. I pulled the door panels and connect each LED bulb to a 9V battery and they all lit up so it is definitely an electrical issue. Where do a start? Is there a wiring diagram for this section I can reference?
