B1D31 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 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.
Code B1D31 Description
What are the Possible Causes of the DTC B1D31?
- 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?
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 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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Information for Specific Makes
- B1D31 Chrysler — Mirror Horizontal Motor Control Circuit Open
- B1D31 Dodge — Mirror Horizontal Motor Control Circuit Open
- B1D31 Jeep — Mirror Horizontal Motor Control Circuit Open
- B1D31 RAM — Mirror Horizontal Motor Control Circuit Open
Frequently Asked Questions about B1D31 Code
1. What are the common symptoms of OBDII code B1D31 Mirror Horizontal Motor Control Circuit Open?
- The common symptoms include the side mirror not adjusting horizontally when commanded, or the mirror adjustment controls not responding.
2. What are the possible causes of OBDII code B1D31 Mirror Horizontal Motor Control Circuit Open?
- The code can be caused by a faulty mirror horizontal motor, damaged wiring harness, loose or corroded electrical connections, or a defective mirror control switch.
3. How can I diagnose the issue related to OBDII code B1D31 Mirror Horizontal Motor Control Circuit Open?
- To diagnose the problem, you can perform a visual inspection of the mirror wiring and connections, test the mirror horizontal motor for continuity, and use a multimeter to check for voltage at the motor when mirror adjustments are requested.
4. Can I drive my vehicle with OBDII code B1D31 Mirror Horizontal Motor Control Circuit Open?
- It is generally safe to drive the vehicle with this code, but you may experience inconvenience due to the non-functional mirror adjustments. However, it is recommended to address the issue promptly.
5. How do I repair OBDII code B1D31 Mirror Horizontal Motor Control Circuit Open?
- Repair options include replacing the faulty mirror horizontal motor, repairing or replacing damaged wiring, ensuring all electrical connections are secure, and addressing any issues with the mirror control switch.
6. Will resetting the OBDII code B1D31 Mirror Horizontal Motor Control Circuit Open make the problem go away?
- Simply clearing the code will not fix the underlying issue causing the fault. It is important to diagnose and repair the root cause of the problem to prevent the code from reoccurring.
7. Can extreme weather conditions cause OBDII code B1D31 Mirror Horizontal Motor Control Circuit Open?
- While extreme weather conditions may not directly cause this specific fault code, they can contribute to electrical issues such as corrosion or moisture infiltration, which could lead to problems with the mirror motor control circuit.
8. Is OBDII code B1D31 Mirror Horizontal Motor Control Circuit Open a serious problem?
- While this code does not pose an immediate safety risk, it can affect the convenience and functionality of your vehicle. Promptly addressing the issue will ensure proper operation of the mirror adjustments.
9. How much does it typically cost to repair OBDII code B1D31 Mirror Horizontal Motor Control Circuit Open?
- The cost of repair can vary depending on the specific cause of the issue, the labor rates in your area, and whether you choose to address the problem yourself or take it to a professional mechanic. Costs may range from a few dollars for simple repairs to a few hundred dollars for more complex issues.
10. Can OBDII code B1D31 Mirror Horizontal Motor Control Circuit Open affect other vehicle systems?
- This specific code is related to the mirror horizontal motor control circuit and is unlikely to directly affect other vehicle systems. However, electrical issues in one part of the vehicle can sometimes have secondary effects on other systems, so it's best to address the problem promptly.
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