AutoCodes – Generic – B1D1B

B1D1B Code - Mirror Motor Common Control Circuit Low

Quick Answer

When the Memory Mirror Module senses a value below the tolerance of the mirror motor on the Mirror Motor Common Control circuit for over 10ms, this Diagnostic Trouble Code (DTC) will set. Common causes include Faulty Mirror Motor, Mirror Motor harness is open or shorted, Mirror Motor 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: B1D1B indicates Mirror Motor Common Control Circuit Low.
Common causes: Common causes include Faulty Mirror Motor, Mirror Motor harness is open or shorted, Mirror Motor 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.

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Code Popularity 499

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 27, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1D1B Description

When the Memory Mirror Module senses a value below the tolerance of the mirror motor on the Mirror Motor Common Control circuit for over 10ms, this Diagnostic Trouble Code (DTC) will set.

OBDII Code B1D1B - Mirror Motor Common Control Circuit Low - AutoCodes.com — B1D1B Code - Mirror Motor Common Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC B1D1B?

Faulty Mirror Motor
Mirror Motor harness is open or shorted
Mirror Motor circuit poor electrical connection
Faulty Memory Mirror Module

How to Fix the DTC B1D1B?

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1D1B 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 B1D1B code?

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Information for Specific Makes

B1D1B Chrysler — Mirror Motor Common Control Circuit Low
B1D1B Dodge — Mirror Motor Common Control Circuit Low
B1D1B Jeep — Mirror Motor Common Control Circuit Low
B1D1B RAM — Mirror Motor Common Control Circuit Low

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 B1D1B Code

1. What are the common symptoms of OBDII code B1D1B (Mirror Motor Common Control Circuit Low)?

- The common symptoms include malfunctioning power mirrors, inability to adjust mirror position, and warning light illumination on the dashboard.

2. What are the possible causes of OBDII code B1D1B?

- The code B1D1B can be caused by a faulty mirror motor, damaged wiring or connectors in the mirror circuit, or a problem with the mirror control switch.

3. How can I diagnose the issue related to OBDII code B1D1B?

- To diagnose the issue, you can start by checking the wiring and connectors for any visible damage, testing the mirror motor for proper functionality, and using a diagnostic tool to read the trouble codes.

4. Can I still drive my vehicle with OBDII code B1D1B?

- It is generally safe to drive your vehicle with this code, but it is recommended to address the issue promptly to ensure proper functionality of the mirror adjustment system.

5. How can I repair OBDII code B1D1B (Mirror Motor Common Control Circuit Low)?

- Repairing this code typically involves replacing the faulty mirror motor, repairing or replacing damaged wiring or connectors, or addressing any issues with the mirror control switch.

6. Are there any DIY tips for fixing OBDII code B1D1B?

- DIY tips include carefully inspecting the mirror wiring for damage, ensuring proper connections, and testing the mirror motor with a direct power source to check if it functions correctly.

7. Should I reset the OBDII code B1D1B after making repairs?

- Yes, it is recommended to reset the code after making repairs to clear the fault code from the system and see if the issue has been successfully resolved.

8. Can extreme weather conditions affect OBDII code B1D1B?

- Extreme weather conditions, such as excessive heat or cold, can potentially exacerbate issues related to the mirror motor and control circuit, leading to the triggering of OBDII code B1D1B.

9. Is it necessary to visit a mechanic for OBDII code B1D1B diagnosis and repair?

- While DIY troubleshooting is possible, it is advisable to consult a professional mechanic for accurate diagnosis and repair of OBDII code B1D1B to ensure the issue is properly resolved.

10. What is the typical cost to repair OBDII code B1D1B (Mirror Motor Common Control Circuit Low)?

- The cost of repairing OBDII code B1D1B can vary depending on the exact cause of the issue, but it may involve expenses for parts replacement, labor, and diagnostic fees, which can range from $100 to $300 or more.