LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2000 >> Focus LX, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 526 (Interior Lighting System) >> Diagnosis And Testing >> Interior Lighting >> FEM Diagnostic Trouble Code (DTC) Index
April 5, 2026: LEMON Manuals is launched! Read the announcement.

FEM Diagnostic Trouble Code (DTC) Index

WARNING: This page is about a different car, the 2002 Ford Windstar. However, it is still accessible from the selected car via links, so may be relevant.
DTC DESCRIPTION CHART

DTC Description Source Action
B1294 Battery Power Relay Circuit Short to Battery FEM REFER to SWITCHED SYSTEM POWER (SSP)  RELAY INDEX.
B1319 Driver Door Ajar Circuit Failure FEM Go To PINPOINT TEST I: THE COURTESY LAMPS STAY ON CONTINUOUSLY - ALL OVERHEAD DOME, MAP, READING, AND STEPWELL, PUDDLE LAMP .
B1327 Passenger Door Ajar Circuit Failure FEM Go To PINPOINT TEST I: THE COURTESY LAMPS STAY ON CONTINUOUSLY - ALL OVERHEAD DOME, MAP, READING, AND STEPWELL, PUDDLE LAMP .
B1342 ECU Is Defective FEM INSTALL a new FEM; refer to MULTIFUNCTION ELECTRONIC CONTROL MODULES . CLEAR the DTCs. REPEAT the self-test.
B2499 Courtesy Lamp Output Failure (NOTE : Stepwell/puddle lamps are optional. This DTC will be recorded if the vehicle is not equipped with these lamps. Check if the vehicle is equipped with this option. FEM If the courtesy lamps are inoperative, Go To PINPOINT TEST E: THE COURTESY LAMPS ARE INOPERATIVE - STEPWELL AND PUDDLE LAMPS . If the courtesy lamps stay on continuously, Go To PINPOINT TEST K: THE COURTESY LAMPS STAY ON CONTINUOUSLY - ALL STEPWELL/PUDDLE LAMPS .
B2500 Courtesy Lamp Output Circuit Short to Battery FEM Go To PINPOINT TEST E: THE COURTESY LAMPS ARE INOPERATIVE - STEPWELL AND PUDDLE LAMPS .
U1135 SCP (J1850) Invalid or Missing Data for Ignition Switch/Starter ICM CARRY OUT the instrument cluster self-test.
U1178 SCP (J1850) Invalid or Missing Data for Climate Control (HVAC) ICM CARRY OUT the instrument cluster self-test.
U1262 SCP (J1850) Communication Bus Fault - REFER to MODULE CONFIGURATION .
- All Other DTC's FEM REFER to MULTIFUNCTION ELECTRONIC CONTROL MODULES .