AutoCodes – Dodge – B1D29 Dodge

B1D29 Dodge Code - Mirror Motor Common Control Circuit Open

Quick Answer

When the Memory Mirror Module senses an open condition on the Mirror Motor Common Driver circuit during a mirror operation, 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
B1D29 Dodge indicates Mirror Motor Common Control Circuit Open.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 689
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 27, 2019
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Code B1D29 Dodge Description

When the Memory Mirror Module senses an open condition on the Mirror Motor Common Driver circuit during a mirror operation, for over 10ms, this Diagnostic Trouble Code (DTC) will set.
OBDII Code B1D29 Dodge - Mirror Motor Common Control Circuit Open - AutoCodes.com
B1D29 Dodge Code - Mirror Motor Common Control Circuit Open

What are the Possible Causes of the DTC B1D29 Dodge?

  • 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 B1D29 Dodge?

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 B1D29 Dodge 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.

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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 B1D29 Dodge Code

1. What are the common symptoms of OBDII code B1D29 for the Mirror Motor Common Control Circuit Open in a Dodge?

The common symptoms include inoperative power mirrors, mirrors not adjusting properly, or mirror movement being erratic.

2. What are the possible causes of the B1D29 OBDII code in a Dodge related to the Mirror Motor Common Control Circuit Open?

Possible causes include damaged wiring or connectors in the mirror control circuit, a faulty mirror motor, or a malfunctioning mirror control switch.

3. How can I diagnose the Mirror Motor Common Control Circuit Open issue related to the B1D29 code in my Dodge?

You can use a multimeter to test the continuity of the wiring and connectors in the mirror control circuit, check the mirror motor for proper operation, and inspect the mirror control switch for any visible damage.

4. Can I still drive my Dodge with the B1D29 OBDII code for the Mirror Motor Common Control Circuit Open?

It is generally safe to drive the vehicle with this code, but you may experience inconvenience due to inoperative power mirrors.

5. What are some repair tips for fixing the B1D29 code in a Dodge caused by the Mirror Motor Common Control Circuit Open?

Start by checking the fuse related to the mirror motor circuit, inspect and repair any damaged wiring or connectors, replace the faulty mirror motor if necessary, and test the mirror control switch for proper functionality.

6. Is it possible to reset the B1D29 OBDII code for the Mirror Motor Common Control Circuit Open in a Dodge without fixing the underlying issue?

Resetting the code without addressing the root cause will only temporarily clear the error code. It is recommended to diagnose and fix the problem to prevent the code from reoccurring.

7. How much does it typically cost to repair the B1D29 code related to the Mirror Motor Common Control Circuit Open in a Dodge?

The cost of repairs can vary depending on the exact cause of the issue. Simple fixes like replacing a fuse or repairing wiring may be inexpensive, while replacing the mirror motor or control switch can be more costly.

8. Can extreme weather conditions affect the occurrence of the B1D29 OBDII code for the Mirror Motor Common Control Circuit Open in a Dodge?

Extreme weather conditions such as extreme heat or cold can potentially worsen existing issues with the mirror control circuit, leading to the triggering of the B1D29 code.

9. Are there any preventive maintenance steps I can take to avoid encountering the B1D29 OBDII code for the Mirror Motor Common Control Circuit Open in my Dodge?

Regularly inspecting the power mirrors for proper operation, keeping the mirror control switch clean and free of debris, and ensuring the wiring is in good condition can help prevent issues that trigger this code.

10. How long does it typically take to repair the B1D29 OBDII code related to the Mirror Motor Common Control Circuit Open in a Dodge?

The repair time can vary depending on the complexity of the issue. Simple fixes may take a short amount of time, while more involved repairs could take a few hours to complete.

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