2002 Lincoln LS 3.9 AFACTORY OEM SERVICE PROCEDURE

Power Windows DTCS

DRIVER DOOR MODULE (DDM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Action/Go to
B1309 Power Door Lock Circuit Short to Ground DDM Refer to KEYLESS ENTRY/COMPUTER OPERATED LOCKS .
B1341 Power Door Unlock Circuit Short to Ground DDM Refer to KEYLESS ENTRY/COMPUTER OPERATED LOCKS .
B1342 ECU Is Defective DDM CLEAR the DTC. REPEAT the DDM self-test. If DTC B1342 is retrieved, INSTALL a new DDM. Refer to MULTIFUNCTION ELECTRONIC CONTROL MODULES . CLEAR the DTCs. REPEAT the self-test.
B1400 Driver Power Window One Touch Window Relay Circuit Short to Battery DDM Q
B1405 Driver Power Window Down Circuit Short to Battery DDM F
B1408 Driver Power Window Up Circuit Short to Battery DDM F
B1416 Power Window LR Motor Circuit Short to Battery DDM N
B1420 Passenger Power Window Motor Circuit Short to Battery DDM H
B1424 Power Window RR Motor Circuit Short to Battery DDM K
B1530 Memory Set Switch Circuit Short to Ground DDM Refer to REAR VIEW MIRRORS - LS .
B1534 Memory 1 Switch Circuit Short to Ground DDM Refer to REAR VIEW MIRRORS - LS .
B1538 Memory 2 Switch Circuit Short to Ground DDM Refer to REAR VIEW MIRRORS - LS .
B1676 Battery Pack Voltage Out of Range DDM Refer to MULTIFUNCTION ELECTRONIC CONTROL MODULES .
B2112 Door Driver Set Switch Stuck Failure DDM Refer to KEYLESS ENTRY/COMPUTER OPERATED LOCKS .
B2116 Door Driver Reset Switch Stuck Failure DDM Refer to KEYLESS ENTRY/COMPUTER OPERATED LOCKS .
B2320 Mirror Driver Horizontal Feedback Potentiometer Circuit Failure DDM Refer to REAR VIEW MIRRORS - LS .
B2324 Mirror Driver Vertical Feedback Potentiometer Circuit Failure DDM Refer to REAR VIEW MIRRORS - LS .
B2336 Mirror Switch Assembly Circuit Failure DDM Refer to REAR VIEW MIRRORS - LS .
B2425 Remote Keyless Entry Out of Synchronization DDM Refer to KEYLESS ENTRY/COMPUTER OPERATED LOCKS .
B2477 Module Configuration Failure DDM Refer to MODULE CONFIGURATION .
U1041 SCP (J1850) Invalid or Missing Data for Vehicle Speed ABS CARRY OUT the ABS self-test. Refer to ANTI-LOCK CONTROL .
U1059 SCP (J1850) Invalid or Missing Data for Transmission / Transaxle / PRNDL PCM CARRY OUT the PCM self-test. Refer to SELF-DIAGNOSTICS - EEC-V - GASOLINE & NGV .
FRONT ELECTRONIC MODULE (FEM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Action/Go to
B1319 Driver Door Ajar Circuit Failure FEM Refer to INTERIOR LIGHTING .
B1327 Passenger Door Ajar Circuit Failure FEM Refer to INTERIOR LIGHTING .
B1342 ECU Is Defective FEM CLEAR the DTC. REPEAT the FEM self-test. If DTC B1342 is retrieved, INSTALL a new FEM. Refer to MULTIFUNCTION ELECTRONIC CONTROL MODULES . CLEAR the DTCs. REPEAT the self-test.
B1438 Wiper Mode Select Switch Circuit Failure FEM Refer to WIPERS & WASHERS .
B1446 Wiper Park Sense Circuit Failure FEM Refer to WIPERS & WASHERS .
B1479 Wiper Washer Fluid Level Sensor Circuit Failure FEM Refer to INSTRUMENT CLUSTER .
B1499 Lamp Turn Signal Left Circuit Failure FEM Refer to EXTERIOR LIGHTING .
B1501 Lamp Turn Signal Left Circuit Short to Battery FEM Refer to EXTERIOR LIGHTING .
B1503 Lamp Turn Signal Right Circuit Failure FEM Refer to EXTERIOR LIGHTING .
B1505 Lamp Turn Signal Right Circuit Short to Battery FEM Refer to EXTERIOR LIGHTING .
B1519 Hood Switch Circuit Failure FEM Refer to ANTI-THEFT - PERIMETER .
B1567 Lamp Headlamp High-Beam Circuit Failure FEM Refer to EXTERIOR LIGHTING .
B1676 Battery Pack Voltage Out of Range FEM Refer to GENERATORS & REGULATORS .
B1794 Lamp Headlamp Low-Beam Circuit Failure FEM Refer to EXTERIOR LIGHTING .
B2214 Window Passenger Front Up Switch Short to Battery FEM G
B2215 Window Passenger Front Down Switch Short to Battery FEM G
B2312 Mirror Passenger Horizontal Feedback Potentiometer Circuit Failure FEM Refer to REAR VIEW MIRRORS - LS .
B2316 Mirror Passenger Vertical Feedback Potentiometer Circuit Failure FEM Refer to REAR VIEW MIRRORS - LS .
B2477 Module Configuration Failure FEM Refer to MODULE CONFIGURATION .
C1284 Oil Pressure Switch Failure FEM Refer to INSTRUMENT CLUSTER .
C1446 Brake Switch Circuit Failure FEM Refer to INSTRUMENT CLUSTER .
C1924 VAPS Solenoid Actuator Output Circuit Short to Ground FEM Refer to STEERING SYSTEM - GENERAL INFORMATION .
C1925 VAPS Solenoid Actuator Return Circuit Failure FEM Refer to STEERING SYSTEM - GENERAL INFORMATION .
U1027 SCP (J1850) Invalid or Missing Data for Engine RPM PCM CARRY OUT the PCM self-test. Refer to the SELF-DIAGNOSTICS - EEC-V - GASOLINE & NGV .
U1041 SCP (J1850) Invalid or Missing Data for Vehicle Speed ABS CARRY OUT the ABS self-test. Refer to ANTI-LOCK CONTROL .
U1059 SCP (J1850) Invalid or Missing Data for Transmission / Transaxle / PRNDL PCM CARRY OUT the PCM self-test. Refer to SELF-DIAGNOSTICS - EEC-V - GASOLINE & NGV .
U1218 SCP (J1850) Invalid or Missing Data for External Lamps ICM CARRY OUT the ICM self-test. Refer to INSTRUMENT CLUSTER .
U1222 SCP (J1850) Invalid or Missing Data for Interior Lamps ICM CARRY OUT the ICM self-test. Refer to INSTRUMENT CLUSTER .
U1227 SCP (J1850) Invalid or Missing Data for Body Status Request ICM CARRY OUT the ICM self-test. Refer to INSTRUMENT CLUSTER .
REAR ELECTRONIC MODULE (REM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Action/Go to
B1201 Fuel Sender Circuit Failure REM Refer to INSTRUMENT CLUSTER .
B1300 Power Door Lock Circuit Failure REM Refer to KEYLESS ENTRY/COMPUTER OPERATED LOCKS .
B1310 Power Door Unlock Circuit Failure REM Refer to KEYLESS ENTRY/COMPUTER OPERATED LOCKS .
B1331 Decklid Ajar Rear Door Circuit Failure REM Refer to INTERIOR LIGHTING .
B1335 Door Ajar RR Circuit Failure REM Refer to INTERIOR LIGHTING .
B1342 ECU Is Defective REM CLEAR the DTC. REPEAT the REM self-test. If DTC B1342 is retrieved, INSTALL a new REM. Refer to MULTIFUNCTION ELECTRONIC CONTROL MODULES . CLEAR the DTCs. REPEAT the self-test.
B1483 Brake Pedal Input Circuit Failure REM Refer to EXTERIOR LIGHTING .
B1499 Lamp Turn Signal Left Circuit Failure REM Refer to EXTERIOR LIGHTING .
B1501 Lamp Turn Signal Left Circuit Short to Battery REM Refer to EXTERIOR LIGHTING .
B1503 Lamp Turn Signal Right Circuit Failure REM Refer to EXTERIOR LIGHTING .
B1505 Lamp Turn Signal Right Circuit Short to Battery REM Refer to EXTERIOR LIGHTING .
B1551 Decklid Release Circuit Failure REM Refer to KEYLESS ENTRY/COMPUTER OPERATED LOCKS .
B1571 Door Ajar LR Circuit Failure REM Refer to INTERIOR LIGHTING .
B1676 Battery Pack Voltage Out of Range REM Refer to GENERATORS & REGULATORS .
B2172 Inertia Switch Input Circuit Open REM Refer to SELF-DIAGNOSTICS - EEC-V - GASOLINE & NGV .
B2174 Window Driver Rear Remote Up Switch Short to Battery REM M
B2178 Window Driver Rear Remote Down Switch Short to Battery REM M
B2190 Window Passenger Rear Remote Up Switch Short to Battery REM J
B2194 Window Passenger Rear Remote Down Switch Short to Battery REM J
B2477 Module Configuration Failure REM Refer to MODULE CONFIGURATION .
U1041 SCP (J1850) Invalid or Missing Data for Vehicle Speed ABS CARRY OUT the ABS self-test. Refer to ANTI-LOCK CONTROL .
U1059 SCP (J1850) Invalid or Missing Data for Transmission/Transaxle/ PRNDL PCM CARRY OUT the PCM self-test. Refer to SELF-DIAGNOSTICS - EEC-V - GASOLINE & NGV .
U1218 SCP (J1850) Invalid or Missing Data for External Lamps ICM CARRY OUT the ICM self-test. Refer to INSTRUMENT CLUSTER .
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.