2014 Ford Focus Titanium, 4D Hatchback, Automatic DCT Trans, Gas/EthanolFACTORY OEM SERVICE PROCEDURE

Body Control Module (BCM) DTC Table

BCM DTC DESCRIPTION

DTC Description Action
B1088:86 LIN Bus "B": Signal Invalid GO to PINPOINT TEST H
B1088:88 LIN Bus "B": Bus off GO to PINPOINT TEST H
B1175:64 Drivers Door Ajar Switch: Signal Plausibility Failure
B11E9:13 Left Rear Door Ajar Switch: Circuit Open GO to PINPOINT TEST C
B11EA:13 Right Rear Door Ajar Switch: Circuit Open GO to PINPOINT TEST C
B1318:13 Right Front Door Ajar Switch: Circuit Open GO to PINPOINT TEST C
B131B:13 Left Front Door Ajar Switch: Circuit Open GO to PINPOINT TEST C
B1390:87 Ambient Light Control Module: Missing Message GO to PINPOINT TEST H
B1D13:11 Interior Lights Circuit "A": Circuit Short to Ground
B1D13:12 Interior Lights Circuit "A": Circuit Short To Battery GO to PINPOINT TEST B
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:

  • 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.

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