Engine-Codes - Ford - B1087 FORD

B1087 FORD Code - Door Module LIN Bus 'A'

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

|B1087 FORD code possible causes

  • Faulty Window Control Switch
  • Window Control Switch harness is open or shorted
  • Window Control Switch circuit poor electrical connection
  • Faulty Driver Door Module (DDM)
  • Faulty Passenger Door Module (PDM)

|How is the B1087 FORD code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|B1087 FORD code tech notes

B1087:83 LIN Bus 'A' Value Of Signal Protection Calculation Incorrect
B1087:86 LIN Bus 'A' Signal Invalid
B1087:88 LIN Bus 'A' Bus Off

|What is the cost to diagnose the B1087 FORD code

Labor: 1.0

The cost to diagnose the B1087 FORD code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are B1087 FORD code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What is B1087 FORD code meaning?

The Driver Door Module (DDM) and Passenger Door Module (PDM) communicate with the corresponding Driver Rear Door Module (DRDM) and Passenger Rear Door Module (PRDM) over a dedicated Local Interconnect Network (LIN). The window control on the driver door also provides information to the DDM over the same LIN. In the event of a failure on a LIN, the power windows, power locks, and switch illumination are inoperative in the corresponding rear door. If there is a LIN failure for the DDM, the controls of the window control switch are also inoperative.

|Need more information with the B1087 FORD code?

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|Need help with a B1087 FORD code?

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