Pinpoint Test R : B103C:01, B103C:55, B103C:96, B103D:01, B103D:55, B103D:96: 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 Headlamps/Autolamps for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Exterior Lighting - Overview .
REFER to: Exterior Lighting - System Operation and Component Description .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B103C:01 | Left Headlamp Control: General Electrical Failure | A continuous memory and on-demand DTC that sets when the HCM receives a headlamp or general LED control module fault message from the LED control module over the LIN. |
| B103C:55 | Left Headlamp Control: Not Configured | A continuous memory and on-demand DTC that sets when the HCM receives a message from the LED control module over the LIN that the LED control module has not been configured. |
| B103C:96 | Left Headlamp Control: Component Internal Failure | A continuous memory and on-demand DTC that sets when the HCM receives a message from the LED control module over the LIN that there is a failure with headlamp assembly internal components. |
| B103D:01 | Right Headlamp Control: General Electrical Failure | A continuous memory and on-demand DTC that sets when the HCM receives a headlamp or general LED control module fault message from the LED control module over the LIN. |
| B103D:55 | Right Headlamp Control: Not Configured | A continuous memory and on-demand DTC that sets when the HCM receives a message from the LED control module over the LIN that the LED control module has not been configured. |
| B103D:96 | Right Headlamp Control: Component Internal Failure | A continuous memory and on-demand DTC that sets when the HCM receives a message from the LED control module over the LIN that there is a failure with headlamp assembly internal components. |
Possible Sources
- Wiring, terminals or connectors
- LED control module
- Headlamp assembly
Visual Inspection and Diagnostic Pre-checks
- Inspect the headlamp assemblies for damage.