Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2002 Lincoln ContinentalFACTORY OEM SERVICE PROCEDURE
Keyless Entry/Computer Operated Locks DTCS
DRIVER DOOR MODULE (DDM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | DTC Caused By | Action |
|---|---|---|---|
| B1319 | Driver Door Ajar Circuit Failure | DDM | REFER to INTERIOR LIGHTING . |
| B1342 | ECU Is Defective | DDM | CLEAR the DTCs. RETRIEVE the DTCs. If DTC B1342 is retrieved, REPLACE the DDM; REFER to MULTIFUNCTION ELECTRONIC CONTROL MODULES . TEST the system for normal operation. |
| B1396 | Power Door Lock Circuit Short to Battery | DDM | Go to PINPOINT TEST E . |
| B1397 | Power Door Unlock Circuit Short to Battery | DDM | Go to PINPOINT TEST E . |
| B1525 | Keyless Entry Circuit Short to Battery | DDM | Go to PINPOINT TEST D . |
| B1541 | Mirror Driver Switch Assembly Circuit Short to Battery | DDM | REFER to REAR VIEW MIRRORS . |
| B1545 | Seat Direction Switch Assembly Circuit Short to Battery | DDM | REFER to SEATING . |
| B1549 | Power Window Master Circuit Short to Battery | DDM | REFER to GLASS, FRAMES AND MECHANISMS . |
| B1554 | Decklid Release Circuit Short to Ground | DDM | Go to PINPOINT TEST C . |
| B1562 | Door Lock Cylinder Circuit Short to Ground | DDM | Go to PINPOINT TEST E . |
| B2425 | Remote Keyless Entry Out of Synchronization | DDM | Go to PINPOINT TEST D . |
| U1041 | SCP (J1850) Invalid or Missing Data for Vehicle Speed | ABS/TC | CARRY OUT the ABS/TC self-test. REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| U1059 | SCP (J1850) Invalid or Missing Data for Transmission / Transaxle / PRNDL | PCM | CARRY OUT the PCM self-test. REFER to TROUBLE SHOOTING - NO CODES - EEC-V - GASOLINE article for diagnosis and testing. |
| U1089 | SCP (J1850) Invalid or Missing Data for Suspension | VDM | CARRY OUT the VDM self-test. REFER to VEHICLE DYNAMIC SUSPENSION . |
| U1181 | SCP (J1850) Invalid or Missing Data for Personalization (Memory) Features | VIC | CARRY OUT the DDM self-test. |
| U1262 | SCP (J1850) Communication Bus Fault | GEM | REFER to MODULE COMMUNICATIONS NETWORK . |
LIGHTING CONTROL MODULE (LCM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Action |
|---|---|---|---|
| B1342 | ECU is Defective | LCM | CLEAR the DTCs. RETRIEVE the DTCs. IF DTC B1342 is retrieved, REPLACE the LCM. REFER to MULTIFUNCTION ELECTRONIC CONTROL MODULES . |
| B1312 | Lamp Headlamp Input Circuit Short to Battery | LCM | REFER to EXTERIOR LIGHTING . |
| B1334 | Decklid Ajar Rear Door Circuit Short to Ground | LCM | Go to PINPOINT TEST C . |
| B1352 | Ignition Key-In Circuit Failure | LCM | REFER to WARNING DEVICES . |
| B1359 | Ignition Run/Acc Circuit Failure | LCM | REFER to STEERING COLUMN SWITCHES . |
| B1462 | Safety Belt Switch Circuit Failure | LCM | REFER to INSTRUMENT CLUSTER . |
| B1483 | Brake Pedal Input Circuit Failure | LCM | REFER to EXTERIOR LIGHTING . |
| B1498 | Decklid Punch-Out Sensor Ground Short | LCM | REFER to ANTI-THEFT - PERIMETER . |
| B1509 | Flash to Pass Switch Circuit Short to Battery | LCM | REFER to Section EXTERIOR LIGHTING . |
| B1522 | Hood Switch Circuit Short to Ground | LCM | REFER to ANTI-THEFT - PERIMETER . |
| B1555 | Ignition Run/Start Circuit Failure | LCM | REFER to INTERIOR LIGHTING . |
| B1566 | Door Ajar Circuit Short to Ground | LCM | REFER to INTERIOR LIGHTING . |
| B1569 | Lamp Headlamp High-Beam Circuit Short to Battery | LCM | REFER to Section EXTERIOR LIGHTING . |
| B1577 | Lamp Park Input Circuit Short to Battery | LCM | REFER to Section EXTERIOR LIGHTING . |
| B1582 | Dim Panel Increase Input Circuit Short to Ground | LCM | REFER to INSTRUMENT CLUSTER & PANEL ILLUMINATION . |
| B1586 | Dim Panel Decrease Input Circuit Short to Ground | LCM | REFER to INSTRUMENT CLUSTER & PANEL ILLUMINATION . |
| B1590 | Autolamp Delay Increase Circuit Short to Ground | LCM | REFER to EXTERIOR LIGHTING . |
| B1594 | Autolamp Delay Decrease Circuit Short to Ground | LCM | REFER to EXTERIOR LIGHTING . |
| B1676 | Battery Pack Voltage Out of Range | LCM | REFER to GENERATORS & REGULATORS . |
| B1807 | Lamp Tail Output Circuit Open | LCM | REFER to EXTERIOR LIGHTING . |
| U1123 | SCP (J1850) Invalid or Missing Data for Odometer | ABS/TC | CARRY OUT the ABS/TC self-test. REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| U1181 | SCP (J1850) Invalid or Missing Data for Personalization (Memory) Features | VIC, DDM | CARRY OUT the VIC and DDM self-test. REFER to INSTRUMENT CLUSTER . |
| U1262 | SCP (J1850) Communication Bus Fault | SCP | REFER to MODULE COMMUNICATIONS NETWORK . |
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.
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