AutoCodes - OBDII Code List - B1390 FORD

B1390 FORD - Ambient Light Control Module

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

B1390 FORD 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 code B1390 FORD?

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.
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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 labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

B1390 FORD 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 - AutoCodes.com

More Information

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