AutoCodes – Chrysler – B1D31 Chrysler

B1D31 Chrysler Code - Mirror Horizontal Motor Control Circuit Open

Quick Answer

When the Memory Mirror Module senses an open condition on the Mirror Horizontal Motor 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
B1D31 Chrysler indicates Mirror Horizontal Motor 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 648
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 28, 2019
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Code B1D31 Chrysler Description

When the Memory Mirror Module senses an open condition on the Mirror Horizontal Motor Driver circuit during a mirror operation, for over 10ms, this Diagnostic Trouble Code (DTC) will set.
OBDII Code B1D31 Chrysler - Mirror Horizontal Motor Control Circuit Open - AutoCodes.com
B1D31 Chrysler Code - Mirror Horizontal Motor Control Circuit Open

What are the Possible Causes of the DTC B1D31 Chrysler?

  • 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 B1D31 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1D31 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 B1D31 Chrysler code?

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Need Help with the Code?

Get the B1D31 Chrysler code diagnosed by a professional: Find a repair shop in your area

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 B1D31 Chrysler Code

1. What are common symptoms of OBDII code B1D31 in a Chrysler vehicle?

- Common symptoms include the side mirror not moving horizontally when adjusted, mirror control buttons not functioning, and the mirror staying in a fixed position.

2. What does the OBDII code B1D31 Chrysler indicate?

- The code B1D31 indicates a Mirror Horizontal Motor Control Circuit Open, suggesting an issue with the circuit that controls the horizontal movement of the side mirror.

3. What are possible causes of the Mirror Horizontal Motor Control Circuit Open code B1D31 in a Chrysler?

- Possible causes include a faulty mirror control switch, a damaged wiring harness, a malfunctioning mirror motor, or a poor electrical connection in the circuit.

4. How can I diagnose the Mirror Horizontal Motor Control Circuit Open issue in my Chrysler?

- To diagnose the issue, you can visually inspect the wiring harness for any damage, test the mirror control switch for proper functionality, check the mirror motor for operation, and use a multimeter to test the electrical connections in the circuit.

5. Can I repair the Mirror Horizontal Motor Control Circuit Open issue in my Chrysler myself?

- Depending on your expertise, you may be able to repair the issue yourself by replacing the faulty mirror control switch, repairing or replacing damaged wiring, or fixing any loose electrical connections. However, if you're unsure, it's recommended to seek professional help.

6. Is it safe to drive my Chrysler with the OBDII code B1D31 active?

- It is generally safe to drive your Chrysler with the B1D31 code, as it primarily affects the functionality of the side mirror adjustment. However, it's important to address the issue promptly to ensure proper visibility and convenience while driving.

7. What are the potential risks of ignoring the Mirror Horizontal Motor Control Circuit Open code B1D31 in my Chrysler?

- Ignoring the B1D31 code can result in the side mirror being stuck in a fixed position, potentially leading to visibility issues while driving and compromising your ability to adjust the mirror for safe lane changes or parking.

8. How much does it typically cost to repair the Mirror Horizontal Motor Control Circuit Open issue in a Chrysler?

- The cost of repairing the B1D31 code can vary depending on the exact cause of the issue, parts needed for replacement, and labor costs. It's advisable to consult a mechanic or dealership for an accurate estimate.

9. Will resetting the OBDII code B1D31 in my Chrysler solve the issue temporarily?

- Resetting the code may temporarily clear the warning light, but it will not fix the underlying problem causing the Mirror Horizontal Motor Control Circuit Open issue. It's essential to diagnose and address the root cause of the code for a lasting solution.

10. Can extreme weather conditions affect the Mirror Horizontal Motor Control Circuit Open issue in my Chrysler?

- Extreme weather conditions, such as excessive heat or moisture, can potentially exacerbate electrical issues in the mirror control circuit, leading to the activation of the B1D31 code. It's important to keep your vehicle protected and address any wiring vulnerabilities.

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