AutoCodes - Ford - B1390 FORD

B1390 FORD Code - Ambient Light Control Module

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|B1390 FORD code possible causes

  • Faulty Ambient Light Control Module
  • Ambient Light Control Module harness is open or shorted
  • Ambient Light Control Module circuit poor electrical connection
  • Faulty Body Control Module (BCM)

|How do I fix the B1390 FORD code?

Check 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.

|B1390 FORD code tech notes

B1390:83 Ambient Light Control Module: Value of Signal Protection Calculation Incorrect
B1390:87 Ambient Light Control Module: Missing Message

|Cost of diagnosing the B1390 FORD code

Labor: 1.0

The cost of diagnosing the B1390 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 B1390 FORD code possible symptoms?

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

|B1390 FORD code description

The Body Control Module (BCM) monitors the Ambient Light Control Module. The BCM sets the OBDII code when the Ambient Light Control Module is not to factory specifications.
OBDII Code B1390 Ford - Ambient Light Control Module -

|Need more information with the B1390 FORD code?

Need more information on how to fix the B1390 FORD code? Get Access to Factory Service Manuals

|Need help with a B1390 FORD code?

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|B1390 FORD code comments

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