OBDII Code List

B1390 LINCOLN - Ambient Light Control Module

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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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)

Tech notes

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

Possible symptoms

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

B1390 Lincoln 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 Lincoln - Ambient Light Control Module -

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Related Information

B1390 LINCOLN Comments

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