AutoCodes – Generic – B1D28

B1D28 Code - Mirror Motor Common Control Circuit High

Quick Answer

When the Memory Mirror Module senses voltage present on the Mirror Motor Common Control circuit, when there should not be, 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: B1D28 indicates Mirror Motor Common Control Circuit High.
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 933

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 B1D28 Description

When the Memory Mirror Module senses voltage present on the Mirror Motor Common Control circuit, when there should not be, for over 10ms, this Diagnostic Trouble Code (DTC) will set.

OBDII Code B1D28 - Mirror Motor Common Control Circuit High - AutoCodes.com — B1D28 Code - Mirror Motor Common Control Circuit High

What does this mean?

What are the Possible Causes of the DTC B1D28?

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 B1D28?

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 B1D28 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 B1D28 code?

Need more information on how to fix the B1D28 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1D28 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1D28 Chrysler — Mirror Motor Common Control Circuit High
B1D28 Dodge — Mirror Motor Common Control Circuit High
B1D28 Jeep — Mirror Motor Common Control Circuit High
B1D28 RAM — Mirror Motor Common Control Circuit High

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 B1D28 Code

1. What are the common symptoms of OBDII code B1D28 (Mirror Motor Common Control Circuit High)?

- The common symptoms include malfunctioning power mirrors that may not adjust properly or move at all.

2. What could cause the OBDII code B1D28 to trigger?

- The code B1D28 is triggered when there is a high voltage condition detected in the mirror motor common control circuit.

3. How serious is the OBDII code B1D28 (Mirror Motor Common Control Circuit High)?

- While this code may not affect the overall drivability of the vehicle, it can impact the convenience and safety features related to the power mirrors.

4. What are some possible repair tips for addressing OBDII code B1D28?

- Some common repair tips include checking the wiring and connectors in the mirror motor circuit, inspecting for any damaged components, and testing the mirror motor itself.

5. Can I still drive my vehicle with the OBDII code B1D28 active?

- Yes, you can still drive your vehicle with this code active, but it is recommended to address the issue promptly to ensure the proper functioning of the power mirrors.

6. Is it possible to reset the OBDII code B1D28 without fixing the underlying issue?

- While you can clear the code with an OBDII scanner, it will likely reappear until the root cause of the high voltage condition in the mirror motor circuit is resolved.

7. How can I prevent the OBDII code B1D28 from recurring in the future?

- To prevent the code from reappearing, it is essential to perform regular maintenance checks on the power mirror system and address any wiring or component issues promptly.

8. Can a DIY enthusiast fix the OBDII code B1D28 issue, or is professional help necessary?

- Depending on your skill level and access to tools, a DIY enthusiast may be able to diagnose and repair the B1D28 code. However, if you are unsure, it is recommended to seek professional help.

9. Are there any safety concerns associated with the OBDII code B1D28 (Mirror Motor Common Control Circuit High)?

- While the code itself does not pose immediate safety risks, malfunctioning power mirrors can affect visibility and convenience, so it is essential to address the issue promptly.

10. What is the typical cost to repair the OBDII code B1D28 related to the mirror motor circuit?

- The repair cost can vary depending on the extent of the issue and whether professional help is required. It may involve labor charges for diagnosis and repair, as well as the cost of any replacement parts needed.