Headlamp Control Module (HCM) DTC Chart
WARNING: This page is about a different car, the 2010 Lincoln MKX and 2010 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
HEADLAMP CONTROL MODULE (HCM) DTC CHART
| DTC | Description | Action |
|---|---|---|
| B1342 | ECU Is Faulted | INSTALL a new Headlamp Control Module (HCM). REFER to HEADLAMP CONTROL MODULE (HCM) . TEST the system for normal operation. |
| B2609 | ECU Output to Left Headlamp Stepper Motor Circuit Failure | GO to PINPOINT TEST AG . |
| B2612 | ECU Output to Right Headlamp Stepper Motor Circuit Failure | GO to PINPOINT TEST AG . |
| B100B | Left Headlamp Swivel Control Failure | GO to PINPOINT TEST AG . |
| B100C | Right Headlamp Swivel Control Failure | GO to PINPOINT TEST AG . |
| C1278 | Steering Wheel Angle 1 and 2 Signal Faulted | GO to PINPOINT TEST AF . |
| U0073 | Control Module Communication Bus A Off | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0100 | Lost Communication With ECM /PCM | GO to PINPOINT TEST AC . |
| U0126 | Lost Communication With Steering Angle Sensor Module | GO to PINPOINT TEST AD . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC ) Control Module | GO to PINPOINT TEST AE . |
| U2050 | No Application Present | CARRY OUT the Programmable Module Installation (PMI). REFER to MODULE CONFIGURATION . TEST the system for normal operation. |
| All other DTCs | - | REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULES . |