2003 Ford Windstar BaseFACTORY OEM SERVICE PROCEDURE

Anti-Theft-Perimeter DTCS

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 INSTALL a new FEM.
Refer to MULTIFUNCTION ELECTRONIC MODULE .
REPEAT the self-test.
B1519 Hood Switch Circuit Failure FEM Go To PINPOINT TEST H .
B1833 Door Unlock Disarm Switch Circuit Short to Ground FEM Go To PINPOINT TEST C .
B2473 Passenger Door Disarm Switch Ckt Short to Gnd FEM Go To PINPOINT TEST D .
B2477 Module Configuration Failure FEM Refer to MODULE CONFIGURATION .
B2496 Anti Theft Horn Output Circuit Short to Gnd FEM Go To PINPOINT TEST F .
B2511 Horn Output Relay Circuit Short to Battery FEM Refer to HORN .
U1262 SCP (J1850) Communication Bus Fault - Refer to MODULE COMMUNICATIONS NETWORK .
- All Other DTC's FEM Refer to MULTIFUNCTION ELECTRONIC MODULE .
REAR ELECTRONIC MODULE (REM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Action/Go to
B1332 Decklid Ajar Rear Door Circuit Open REM Refer to INTERIOR LIGHTING .
B1338 Door Ajar RR Circuit Short to Ground REM Refer to INTERIOR LIGHTING .
B1342 ECU Is Defective REM INSTALL a new REM.
Refer to MULTIFUNCTION ELECTRONIC MODULE .
Refer to MODULE CONFIGURATION for module reconfiguration.
CLEAR the DTCs. REPEAT the self-test.
B1574 Door Ajar LR Circuit Short to Ground REM Refer to INTERIOR LIGHTING .
B2477 Module Configuration Failure REM Refer to MODULE CONFIGURATION .
B2569 Liftgate Disarm Switch Circuit Short to Ground REM Go To PINPOINT TEST E .
U1262 SCP (J1850) Communication Bus Fault - Refer to MODULE COMMUNICATIONS NETWORK .
- All Other DTC's REM Refer to MULTIFUNCTION ELECTRONIC MODULE .
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

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

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