AutoCodes – Jeep – B1D2B Jeep

B1D2B Jeep Code - Mirror Vertical Motor Control Circuit Low

Quick Answer

When the Memory Mirror Module senses a value below the tolerance of the mirror motor on the Mirror Vertical Motor 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
B1D2B Jeep indicates Mirror Vertical Motor 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 571
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 B1D2B Jeep Description

When the Memory Mirror Module senses a value below the tolerance of the mirror motor on the Mirror Vertical Motor Control circuit for over 10ms, this Diagnostic Trouble Code (DTC) will set.
OBDII Code B1D2B Jeep - Mirror Vertical Motor Control Circuit Low - AutoCodes.com
B1D2B Jeep Code - Mirror Vertical Motor Control Circuit Low

What are the Possible Causes of the DTC B1D2B Jeep?

  • 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 B1D2B Jeep?

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 B1D2B Jeep 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 B1D2B Jeep code?

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Need Help with the Code?

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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 B1D2B Jeep Code

1. What are the common symptoms of OBDII code B1D2B in a Jeep related to the Mirror Vertical Motor Control Circuit Low?

The common symptoms include erratic or non-functional movement of the vertical mirror adjustment, the mirror not moving in the correct direction, or mirror movement being slow or unresponsive.

2. What are the possible causes of the Mirror Vertical Motor Control Circuit Low code (B1D2B) in a Jeep?

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

3. How can I diagnose the Mirror Vertical Motor Control Circuit Low issue in my Jeep?

To diagnose this issue, you can use an OBDII scanner to retrieve the specific fault code, visually inspect the mirror control circuit wiring and connectors for damage, test the mirror vertical motor for proper function, and check the fuse related to the mirror control system.

4. Can I repair the Mirror Vertical Motor Control Circuit Low code in my Jeep myself?

Depending on your skill level and access to tools, you may be able to repair this issue yourself. If the cause is a blown fuse, you can replace it easily. However, if the issue is a faulty motor or wiring, you may need to seek professional help for repair or replacement.

5. Is it safe to drive my Jeep with the Mirror Vertical Motor Control Circuit Low code (B1D2B) active?

It is generally safe to drive your Jeep with this code, but it may be inconvenient due to the mirror adjustment issue. However, it is recommended to address the problem as soon as possible to ensure proper functionality of the mirror control system.

6. How much does it typically cost to repair the Mirror Vertical Motor Control Circuit Low issue in a Jeep?

The cost of repair can vary depending on the underlying cause of the problem. Replacing a fuse may be inexpensive, while fixing a faulty motor or wiring could be more costly. It is advisable to get a professional diagnosis to determine the exact repair cost.

7. Can extreme weather conditions affect the Mirror Vertical Motor Control Circuit Low code in a Jeep?

Extreme weather conditions such as excessive heat or moisture could potentially damage the mirror control circuit components, leading to the Mirror Vertical Motor Control Circuit Low code. It is essential to keep your vehicle protected from such conditions.

8. Will disconnecting the battery reset the Mirror Vertical Motor Control Circuit Low code in a Jeep?

Disconnecting the battery may temporarily reset the code, but it will likely reappear if the underlying issue is not addressed. It is recommended to diagnose and repair the problem to prevent the code from coming back.

9. Are there any preventive measures to avoid the Mirror Vertical Motor Control Circuit Low issue in a Jeep?

To prevent this issue, you can regularly inspect the mirror control system for any signs of damage, avoid forcefully adjusting the mirrors, and ensure that the mirror control switch is not stuck or malfunctioning.

10. How long does it typically take to repair the Mirror Vertical Motor Control Circuit Low code in a Jeep?

The repair time can vary depending on the complexity of the issue and the availability of replacement parts. Simple fixes like replacing a fuse can be done quickly, while more extensive repairs may take longer and require professional assistance.

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