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Interior Lighting System DTCS

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

DTC Description Action
B1175:01 Driver Door Ajar Switch: General Electrical Failure If the courtesy lamps are inoperative, GO to Pinpoint Test A
If the courtesy lamps are always on, GO to Pinpoint Test C
B1176:01 Passenger Door Ajar Switch: General Electrical Failure If the courtesy lamps are inoperative, GO to Pinpoint Test A
If the courtesy lamps are always on, GO to Pinpoint Test C
B1178:01 Boot/Trunk Ajar Switch: General Electrical Failure If the courtesy lamps are inoperative, GO to Pinpoint Test A
If the courtesy lamps are always on, GO to Pinpoint Test C
B11C0:01 Driver Side Rear Door Ajar Switch: General Electrical Failure If the courtesy lamps are inoperative, GO to Pinpoint Test A
If the courtesy lamps are always on, GO to Pinpoint Test C
B11C1:01 Passenger Side Rear Door Ajar Switch: General Electrical Failure If the courtesy lamps are inoperative, GO to Pinpoint Test A
If the courtesy lamps are always on, GO to Pinpoint Test C
B12C2:11 Puddle Lamp: Circuit Short To Ground GO to Pinpoint Test B
B12C2:15 Puddle Lamp: Circuit Short To Battery or Open If the courtesy lamps are always on, GO to Pinpoint Test D
If the courtesy lamps are inoperative, GO to Pinpoint Test B
B1313:11 Interior Lighting Output: Circuit Short To Ground GO to Pinpoint Test B
B1313:15 Interior Lighting Output: Circuit Short To Battery or Open If the courtesy lamps are always on, GO to Pinpoint Test D
If the courtesy lamps are inoperative, GO to Pinpoint Test B
B14AA:11 Demand Lamp Output: Circuit Short To Ground GO to Pinpoint Test E
B14AA:15 Demand Lamp Output: Circuit Short To Battery or Open GO to Pinpoint Test E