B1687 - Lamp Dome Input Circuit Short To Battery

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Lamp Dome Switch
  • Lamp Dome Switch harness is open or shorted
  • Lamp Dome Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

Possible symptoms

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

B1687 Description

The Body Control Module (BCM) monitors the Lamp Dome Switch. The BCM sets the OBDII code when the Lamp Dome Switch is not to factory specifications.
OBDII Code B1687 - Lamp Dome Input Circuit Short To Battery - AutoCodes.com

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B1687 Comments

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