LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lincoln >> 2005 >> LS 3.0 S >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Lighting DTCS >> Exterior Lighting
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Exterior Lighting

FRONT ELECTRONIC MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Perform Test
B1342 ECU Is Defective FEM CLEAR the DTCs. RETRIEVE the DTCs. If DTC B1342 is retrieved, INSTALL a new FEM. REFER to MULTIFUNCTION ELECTRONIC MODULES .
B1567 Lamp Headlamp High-Beam Circuit Failure FEM If high beam is inoperative, GO to PINPOINT TEST D . If high beam is always on, GO to PINPOINT TEST E .
B1794 Lamp Headlamp Low-Beam Circuit Failure FEM If low beam is inoperative, GO to PINPOINT TEST C . If low beam is always on, GO to PINPOINT TEST E .
INSTRUMENT CLUSTER DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Perform Test
B1342 ECU Is Defective Instrument cluster CLEAR and DOCUMENT the DTCs. CARRY OUT the instrument cluster Self-Test. INSTALL a new instrument cluster if DTC B1342 is retrieved again. REFER to INSTRUMENT CLUSTER .
B1470 Lamp Headlamp Input Circuit Failure Instrument cluster GO to PINPOINT TEST E .
B1567 Lamp Headlamp High-Beam Circuit Failure Instrument cluster GO to PINPOINT TEST B .
INSTRUMENT CLUSTER DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Perform Test
B1342 ECU is defective Instrument cluster CLEAR AND DOCUMENT THE DTCs. CARRY OUT the instrument cluster self-test. INSTALL a new instrument cluster if DTC B1342 is retrieved again. REFER to INSTRUMENT CLUSTER .
B1470 Lamp Headlamp Input Circuit Failure Instrument Cluster GO TO PINPOINT TEST E .
STOPLAMPS DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Perform Test
B1342 ECU Is Defective REM CLEAR and DOCUMENT the DTCs. CARRY OUT the REM self-test. INSTALL a new REM if DTC B1342 is retrieved again. REFER to MODULE COMMUNICATIONS NETWORK .
B1483 Brake Pedal Input Circuit Failure REM GO to PINPOINT TEST O .
FRONT ELECTRONIC MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Perform Test
B1342 ECU Is Defective FEM CLEAR the DTCs. RETRIEVE the DTCs. If DTC B1342 is retrieved, INSTALL a new FEM. REFER to MULTIFUNCTION ELECTRONIC MODULES .
B1499 Lamp Turn Signal Left Circuit Failure FEM If inoperative, GO to PINPOINT TEST Q . If always on, GO to PINPOINT TEST R .
B1501 Lamp Turn Signal Left Circuit Short to Battery FEM GO to PINPOINT TEST Q .
B1503 Lamp Turn Signal Right Circuit Failure FEM If inoperative, GO to PINPOINT TEST Q . If always on, GO to PINPOINT TEST R .
B1505 Lamp Turn Signal Right Circuit Short to Battery FEM GO to PINPOINT TEST Q .
REAR ELECTRONIC MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Perform Test
B1342 ECU Is Defective REM CLEAR and DOCUMENT the DTCs. CARRY OUT the instrument cluster self-test. INSTALL a new REM if DTC B1342 is retrieved again. REFER to MULTIFUNCTION ELECTRONIC MODULES .
B1499 Lamp Turn Signal Left Circuit Failure REM If inoperative, GO to PINPOINT TEST Q . If always on, GO to PINPOINT TEST R .
B1501 Lamp Turn Signal Left Circuit Short to Battery REM GO to PINPOINT TEST Q .
B1503 Lamp Turn Signal Right Circuit Failure REM If inoperative, GO to PINPOINT TEST Q . If always on, GO to PINPOINT TEST R .
B1505 Lamp Turn Signal Right Circuit Short to Battery REM GO to PINPOINT TEST Q .
INSTRUMENT CLUSTER DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Perform Test
B1342 ECU Is Defective Instrument cluster CLEAR and DOCUMENT the DTCs. CARRY OUT the instrument cluster Self-Test. INSTALL a new instrument cluster if DTC B1342 is retrieved again. REFER to INSTRUMENT CLUSTER .
B1875 Turn Signal/Hazard Switch Signal Circuit Failure Instrument cluster GO to PINPOINT TEST S .
FRONT ELECTRONIC MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Perform Test
B1342 ECU Is Defective FEM CLEAR the DTCs. RETRIEVE the DTCs. If DTC B1342 is retrieved, INSTALL a new FEM. REFER to MULTIFUNCTION ELECTRONIC MODULES .
REAR ELECTRONIC MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Perform Test
B1342 ECU Is Defective REM CLEAR and DOCUMENT the DTCs. CARRY OUT the instrument cluster self-test. INSTALL a new REM if DTC B1342 is retrieved again. REFER to MULTIFUNCTION ELECTRONIC MODULES .
INSTRUMENT CLUSTER DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Perform Test
B1342 ECU Is Defective Instrument cluster CLEAR and DOCUMENT the DTCs. CARRY OUT the instrument cluster Self-Test. INSTALL a new instrument cluster if DTC B1342 is retrieved again. REFER to INSTRUMENT CLUSTER .
B1470 Lamp Headlamp Input Circuit Failure Instrument cluster GO to PINPOINT TEST E .
FRONT ELECTRONIC MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Perform Test
B1342 ECU Is Defective FEM CLEAR the DTCs. RETRIEVE the DTCs. If DTC B1342 is retrieved, INSTALL a new FEM. REFER to MULTIFUNCTION ELECTRONIC MODULES .
INSTRUMENT CLUSTER DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Perform Test
B1342 ECU Is Defective Instrument cluster CLEAR and DOCUMENT the DTCs. CARRY OUT the instrument cluster Self-Test. INSTALL a new instrument cluster if DTC B1342 is retrieved again. REFER to INSTRUMENT CLUSTER .
B2472 Fog Lamp Switch Failure Instrument cluster GO to PINPOINT TEST X .
REAR ELECTRONIC MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Perform Test
B1342 ECU Is Defective REM CLEAR and DOCUMENT the DTCs. CARRY OUT the instrument cluster self-test. INSTALL a new REM if DTC B1342 is retrieved again. REFER to MULTIFUNCTION ELECTRONIC MODULES .