AutoCodes – Chrysler – B1F05 Chrysler

B1F05 Chrysler Code - Electrochromatic Mirror Control Circuit

Quick Answer

The driver electrochromatic mirror is controlled by the Body Control Module (BCM). Common causes include Faulty Exterior Mirror, Exterior Mirror harness is open or shorted, Exterior Mirror circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B1F05 Chrysler indicates Electrochromatic Mirror Control Circuit.
Common causes
Common causes include Faulty Exterior Mirror, Exterior Mirror harness is open or shorted, Exterior Mirror circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 1,109
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 05, 2019
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Code B1F05 Chrysler 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.
OBDII Code B1F05 Chrysler - Electrochromatic Mirror Control Circuit - AutoCodes.com
B1F05 Chrysler Code - Electrochromatic Mirror Control Circuit

What are the Possible Causes of the DTC B1F05 Chrysler?

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

How to Fix the DTC B1F05 Chrysler?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1F05 Chrysler code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B1F05 Chrysler code?

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Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1F05 Chrysler Code

1. What are the common symptoms of OBDII code B1F05 in a Chrysler related to the electrochromatic mirror control circuit?

- Common symptoms include a malfunctioning auto-dimming mirror, erratic mirror dimming behavior, or complete failure of the electrochromatic mirror.

2. What are the possible causes of OBDII code B1F05 in a Chrysler's electrochromatic mirror control circuit?

- Potential causes may include a faulty electrochromatic mirror, damaged wiring or connectors, a defective mirror control module, or issues with the power supply to the mirror.

3. How can I diagnose the OBDII code B1F05 in a Chrysler's electrochromatic mirror control circuit?

- Diagnose the code by checking the mirror for physical damage, inspecting the wiring and connectors for any issues, testing the mirror control module, and verifying the power supply to the mirror.

4. Can I reset the OBDII code B1F05 in a Chrysler without fixing the issue with the electrochromatic mirror control circuit?

- While you can clear the code temporarily, it is recommended to address the underlying issue with the mirror control circuit to prevent potential safety hazards and ensure proper functionality.

5. Are there any DIY repair tips for fixing OBDII code B1F05 in a Chrysler's electrochromatic mirror control circuit?

- DIY repair tips include checking and repairing any damaged wiring, replacing a faulty electrochromatic mirror or mirror control module, and ensuring proper power supply to the mirror.

6. Is it safe to continue driving my Chrysler with OBDII code B1F05 related to the electrochromatic mirror control circuit?

- It is generally safe to drive, but it is recommended to address the issue promptly to avoid potential visibility problems or safety concerns associated with a malfunctioning auto-dimming mirror.

7. How much does it typically cost to repair OBDII code B1F05 in a Chrysler's electrochromatic mirror control circuit?

- Repair costs can vary depending on the specific cause of the issue, but expenses may include the price of a new electrochromatic mirror, replacement mirror control module, or labor charges for professional repairs.

8. Can extreme temperatures or weather conditions trigger OBDII code B1F05 in a Chrysler's electrochromatic mirror control circuit?

- Extreme temperatures or weather conditions can potentially affect the functionality of the electrochromatic mirror, leading to the triggering of the B1F05 fault code.

9. Are there any recalls or technical service bulletins (TSBs) related to OBDII code B1F05 in Chrysler vehicles?

- It is recommended to check with a Chrysler dealership or the manufacturer's website for any recalls or TSBs specifically addressing the B1F05 code related to the electrochromatic mirror control circuit.

10. Can I replace the electrochromatic mirror in my Chrysler myself to resolve OBDII code B1F05?

- While it is possible to replace the mirror yourself, it is recommended to have the replacement done by a professional to ensure proper installation and functioning of the new mirror.

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