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HOMESERVICE MANUALSFORD2003WINDSTAR BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXLIGHTING SYSTEMS (DTCS)EXTERIOR LIGHTING DTCS
2003 Ford Windstar Base

Exterior Lighting DTCS

2003 Ford Windstar BaseSECTION Exterior Lighting DTCS
INSTRUMENT CLUSTER DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Action/Go to
B1342 ECU is Defective ICM CLEAR and DOCUMENT the DTCs. CARRY OUT the ICM On-Demand Self-Test. INSTALL a new instrument cluster if DTC B1342 is retrieved again. REFER to INSTRUMENT CLUSTER
B1470 Lamp Headlamp Input Circuit Failure ICM GO to PINPOINT TEST F: THE HIGH BEAMS ARE INOPERATIVE .
B1875 Turn Signal/Hazard Switch Signal Circuit Failure ICM GO to PINPOINT TEST AG: THE TURN SIGNAL LAMPS ARE NEVER/ALWAYS ON - RH (RH) or AH (LH).
FRONT ELECTRONIC MODULE (FEM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Action/Go to
B1294 Battery Power Relay Circuit Short to Battery FEM GO to PINPOINT TEST J: THE AUTOLAMPS ARE INOPERATIVE .
B1499 Lamp Turn Signal Left Circuit Failure FEM GO to PINPOINT TEST V: ONE TURN SIGNAL LAMP IS NEVER/ALWAYS ON - LEFT FRONT TURN LAMP .
B1501 Lamp Turn Signal Left Circuit Short to Battery FEM GO to PINPOINT TEST V: ONE TURN SIGNAL LAMP IS NEVER/ALWAYS ON - LEFT FRONT TURN LAMP .
B1503 Lamp Turn Signal Right Circuit Failure FEM GO to PINPOINT TEST U: ONE TURN SIGNAL LAMP IS NEVER/ALWAYS ON - RIGHT FRONT TURN LAMP .
B1505 Lamp Turn Signal Right Circuit Short to Battery FEM GO to PINPOINT TEST U: ONE TURN SIGNAL LAMP IS NEVER/ALWAYS ON - RIGHT FRONT TURN LAMP .
B2480 LF Corner Lamp Output Circuit Short to Battery FEM GO to PINPOINT TEST AD: THE CORNERING LAMP IS NEVER/ALWAYS ON - LH .
B2482 RF Corner Lamp Output Circuit Short to Battery FEM GO to PINPOINT TEST AC: THE CORNERING LAMP IS NEVER/ALWAYS ON - RH .
B2491 RF Parking Lamp Output Circuit Short to Battery FEM GO to PINPOINT TEST AK: ONE OR MORE PARKING, REAR, OR LICENSE LAMP IS INOPERATIVE - RIGHT FRONT PARKING LAMP .
B2493 LF Parking Lamp Output Circuit Short to Battery FEM GO to PINPOINT TEST AL: ONE OR MORE PARKING, REAR OR LICENSE LAMP IS INOPERATIVE - LEFT FRONT PARKING LAMP .
B2501 LF Lamp Low Beam Circuit Failure FEM If inoperative, GO to PINPOINT TEST C: BOTH HEADLAMPS ARE INOPERATIVE - LH HIGH BEAM/LH LOW BEAM .
If on continuously. GO to PINPOINT TEST D: THE HEADLAMPS ARE ON CONTINUOUSLY - LH HIGH BEAM/LH LOW BEAM .
B2502 LF Lamp Low Beam Circuit Short to Battery FEM GO to PINPOINT TEST C: BOTH HEADLAMPS ARE INOPERATIVE - LH HIGH BEAM/LH LOW BEAM .
B2503 RF Lamp Low Beam Circuit Failure FEM GO to PINPOINT TEST A: BOTH HEADLAMPS ARE INOPERATIVE - RH HIGH BEAM/RH LOW BEAM .
B2504 RF Lamp Low Beam Circuit Short to Battery FEM GO to PINPOINT TEST A: BOTH HEADLAMPS ARE INOPERATIVE - RH HIGH BEAM/RH LOW BEAM .
B2505 LF Lamp High Beam Circuit Failure FEM GO to PINPOINT TEST C: BOTH HEADLAMPS ARE INOPERATIVE - LH HIGH BEAM/LH LOW BEAM .
B2506 LF Lamp High Beam Circuit Short to Battery FEM GO to PINPOINT TEST C: BOTH HEADLAMPS ARE INOPERATIVE - LH HIGH BEAM/LH LOW BEAM .
B2507 RF Lamp High Beam Circuit Failure FEM GO to PINPOINT TEST A: BOTH HEADLAMPS ARE INOPERATIVE - RH HIGH BEAM/RH LOW BEAM .
B2508 RF Lamp High Beam Circuit Short to Battery FEM GO to PINPOINT TEST A: BOTH HEADLAMPS ARE INOPERATIVE - RH HIGH BEAM/RH LOW BEAM .
REAR ELECTRONIC MODULE (REM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Action/Go to
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.
B1485 Brake Pedal Input Circuit Battery Short REM GO to PINPOINT TEST O: THE STOPLAMPS ARE ON CONTINUOUSLY - ALL STOPLAMPS .
B1806 Lamp Tail Output Circuit Failure REM If ON continuously, GO to PINPOINT TEST AP: THE PARKING, REAR, OR LICENSE LAMPS ARE ON CONTINUOUSLY - LEFT REAR PARKING LAMP ONLY .
If inoperative, GO to PINPOINT TEST AN: ONE OR MORE PARKING. REAR, OR LICENSE LAMP IS INOPERATIVE - LEFT REAR LAMP .
B1808 Lamp Tail Output Circuit Short to Battery REM GO to PINPOINT TEST AN: ONE OR MORE PARKING. REAR, OR LICENSE LAMP IS INOPERATIVE - LEFT REAR LAMP .
B2519 High-Mount Stoplamp Circuit Failure REM If ON continuously, GO to PINPOINT TEST R: THE STOPLAMPS ARE ON CONTINUOUSLY - HIGH MOUNTED STOPLAMP ONLY .
If inoperative, GO to PINPOINT TEST N: ONE OR MORE STOPLAMPS ARE INOPERATIVE - HIGH MOUNTED STOPLAMP .
B2520 High-Mount Stoplamp Circuit Short to Battery REM GO to PINPOINT TEST N: ONE OR MORE STOPLAMPS ARE INOPERATIVE - HIGH MOUNTED STOPLAMP .
B2523 License Lamp Circuit Failure REM If ON continuously, GO to PINPOINT TEST AR: THE PARKING, REAR, OR LICENSE LAMPS ARE ON CONTINUOUSLY - LICENSE LAMPS ONLY .
If inoperative, GO to PINPOINT TEST AQ: THE PARKING, REAR, OR LICENSE LAMPS ARE INOPERATIVE - LICENSE LAMPS .
B2524 License Lamp Circuit Short to Battery REM GO to PINPOINT TEST AQ: THE PARKING, REAR, OR LICENSE LAMPS ARE INOPERATIVE - LICENSE LAMPS .
B2527 Left Rear Stoplamp Circuit Failure REM If ON continuously, GO to PINPOINT TEST Q: THE STOPLAMPS ARE ON CONTINUOUSLY - LEFT REAR STOPLAMP ONLY .
If inoperative, GO to PINPOINT TEST M: ONE OR MORE STOPLAMPS ARE INOPERATIVE - LEFT REAR STOPLAMP .
B2528 Left Rear Stoplamp Circuit Short to Battery REM GO to PINPOINT TEST M: ONE OR MORE STOPLAMPS ARE INOPERATIVE - LEFT REAR STOPLAMP .
B2529 Left Rear Turn Lamp Circuit Failure REM GO to PINPOINT TEST T: ONE TURN SIGNAL LAMP IS NEVER/ALWAYS ON - LEFT REAR TURN LAMP .
B2530 Left Rear Turn Lamp Circuit Short to Battery REM GO to PINPOINT TEST T: ONE TURN SIGNAL LAMP IS NEVER/ALWAYS ON - LEFT REAR TURN LAMP .
B2531 Right Rear Reversing Lamp Circuit Failure REM If ON continuously, GO to PINPOINT TEST AW: THE REVERSING LAMPS ARE ON CONTINUOUSLY .
If inoperative, GO to PINPOINT TEST AV: THE REVERSING LAMPS ARE INOPERATIVE .
B2532 Right Rear Reversing Lamp Circuit Short to Battery REM GO to PINPOINT TEST AV: THE REVERSING LAMPS ARE INOPERATIVE .
B2533 Right Rear Stoplamp Circuit Failure REM If ON continuously, GO to PINPOINT TEST P: THE STOPLAMPS ARE ON CONTINUOUSLY - RIGHT REAR STOPLAMP ONLY .
If inoperative, GO to PINPOINT TEST L: ONE OR MORE STOPLAMPS ARE INOPERATIVE - RIGHT REAR STOPLAMP .
B2534 Right Rear Stoplamp Circuit Short to Battery REM GO to PINPOINT TEST L: ONE OR MORE STOPLAMPS ARE INOPERATIVE - RIGHT REAR STOPLAMP .
B2535 Right Rear Turn Lamp Circuit Failure REM GO to PINPOINT TEST S: ONE TURN SIGNAL LAMP IS NEVER/ALWAYS ON - RIGHT REAR TURN LAMP .
B2536 Right Rear Turn Lamp Circuit Short to Battery REM GO to PINPOINT TEST S: ONE TURN SIGNAL LAMP IS NEVER/ALWAYS ON - RIGHT REAR TURN LAMP .
B2545 System Power Relay Circuit Short to Battery REM GO to PINPOINT TEST G: THE POWER SUPPLY RELAY IS INOPERATIVE - BOTH SWITCHED SYSTEM POWER FEATURES ARE INOPERATIVE .
B2565 Right Tail Lamp Circuit Failure REM If ON continuously. GO to PINPOINT TEST AO: THE PARKING, REAR, OR LICENSE LAMPS ARE ON CONTINUOUSLY - RIGHT REAR PARKING LAMP ONLY .
If inoperative. GO to PINPOINT TEST AM: ONE OR MORE PARKING, REAR OR LICENSE LAMP IS INOPERATIVE - RIGHT REAR LAMP .
B2566 Right Tail Lamp Circuit Short to Ground REM GO to PINPOINT TEST AM: ONE OR MORE PARKING, REAR OR LICENSE LAMP IS INOPERATIVE - RIGHT REAR LAMP .
RENDER: 1.0x

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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.
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