Electrochromatic Mirror Control Circuit


Table of contents

B1F05 JEEP Possible Causes

  • Faulty Exterior Mirror
  • Exterior Mirror harness is open or shorted
  • Exterior Mirror circuit poor electrical connection
  • Faulty Door Module

How do I fix code B1F05 JEEP?

  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.

Tech Notes

  • B1F05-11 ELECTROCHROMATIC MIRROR CONTROL CIRCUIT SHORT TO GROUND
  • B1F05-12 ELECTROCHROMATIC MIRROR CONTROL CIRCUIT SHORT TO BATTERY
  • B1F05-13 ELECTROCHROMATIC MIRROR CONTROL CIRCUIT OPEN

Cost of diagnosing the B1F05 JEEP code

  The cost of diagnosing the B1F05 JEEP 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)

B1F05 JEEP Description

  The driver electrochromatic mirror is controlled by the Body Control Module (BCM). The BCM receives the dimming control from the sensor in the Interior Rearview Mirror. The BCM send a Bus message to the Driver Door Module (DDM) which turns the dimming on and off. At night the dimming will be canceled when the vehicle is in reverse. The Body Control Module sends a command to the Door Module to turn the Day/Night dimming on and the Auto Day/Night Mirror Signal circuit is shorted to ground, shorted to voltage or open. The Door Module will set the OBDII code when the Electrochromatic Mirror is inoperative.

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