Pinpoint Test K : A Power Running Board Lamp Is Inoperative Or Always On: Notes
WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Wiring Diagram Interior Lamps for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Interior Lighting - System Operation and Component Description .
RBM DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B155B:11 | Left Power Running Board LEDs: Circuit Short To Ground | A continuous memory and on-demand DTC that sets when the RBM detects a short to ground from the power running board lamp power supply output circuit. |
| B155B:12 | Left Power Running Board LEDs: Circuit Short To Battery | A continuous memory and on-demand DTC that sets when the RBM detects a short to battery from the power running board lamp power supply output circuit. |
| B155B:13 | Left Power Running Board LEDs: Circuit Open | A continuous memory and on-demand DTC that sets when the RBM detects an open from the power running board lamp power supply output circuit. |
| B155C:11 | Right Power Running Board LEDs: Circuit Short To Ground | A continuous memory and on-demand DTC that sets when the RBM detects a short to ground from the power running board lamp power supply output circuit. |
| B155C:12 | Right Power Running Board LEDs: Circuit Short To Power | A continuous memory and on-demand DTC that sets when the RBM detects a short to battery from the power running board lamp power supply output circuit. |
| B155C:13 | Right Power Running Board LEDs: Circuit Open | A continuous memory and on-demand DTC that sets when the RBM detects an open from the power running board lamp power supply output circuit. |
Possible Sources
- Wiring, terminals or connectors
- Running board lamp
- RBM