AutoCodes – Jeep – B1D2A Jeep

B1D2A Jeep Code - Passenger Mirror Vertical Motor Control Circuit Performance

Quick Answer

When the Passenger Door Module (PDM) senses a value below the tolerance of the mirror motor on the Passenger Mirror Vertical Driver circuit for over 10 ms., this Diagnostic Trouble Code (DTC) will set. Common causes include Faulty Passenger Mirror, Passenger Mirror harness is open or shorted, Passenger Mirror 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
B1D2A Jeep indicates Passenger Mirror Vertical Motor Control Circuit Performance.
Common causes
Common causes include Faulty Passenger Mirror, Passenger Mirror harness is open or shorted, Passenger Mirror 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 679
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 B1D2A Jeep Description

When the Passenger Door Module (PDM) senses a value below the tolerance of the mirror motor on the Passenger Mirror Vertical Driver circuit for over 10 ms., this Diagnostic Trouble Code (DTC) will set.
OBDII Code B1D2A Jeep - Passenger Mirror Vertical Motor Control Circuit Performance - AutoCodes.com
B1D2A Jeep Code - Passenger Mirror Vertical Motor Control Circuit Performance

What are the Possible Causes of the DTC B1D2A Jeep?

  • Faulty Passenger Mirror
  • Passenger Mirror harness is open or shorted
  • Passenger Mirror circuit poor electrical connection
  • Faulty Passenger Door Module (PDM)

How to Fix the DTC B1D2A 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 B1D2A 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 B1D2A 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 B1D2A Jeep Code

1. What are the common symptoms of OBDII code B1D2A in a Jeep related to the Passenger Mirror Vertical Motor Control Circuit?

- Common symptoms include the passenger mirror not moving vertically, erratic or jerky movement, or the mirror getting stuck in a certain position.

2. What can cause the OBDII code B1D2A to trigger in a Jeep's Passenger Mirror Vertical Motor Control Circuit?

- Causes can include a faulty vertical motor, damaged wiring or connectors, a malfunctioning mirror control switch, or a problem with the mirror's positioning sensor.

3. How can I diagnose the issue causing OBDII code B1D2A in my Jeep's passenger mirror circuit?

- You can start by checking the wiring and connectors for any damage or corrosion, testing the vertical motor for proper function, and ensuring the mirror control switch is working correctly.

4. Can I still drive my Jeep safely with the OBDII code B1D2A related to the passenger mirror circuit?

- Yes, you can still drive the vehicle safely, but you may experience inconvenience due to the mirror not adjusting properly.

5. Is it possible to reset the OBDII code B1D2A in my Jeep without fixing the underlying issue with the passenger mirror circuit?

- Resetting the code may temporarily clear the error, but it will likely reappear until the root cause of the issue is addressed.

6. How much does it typically cost to repair the Passenger Mirror Vertical Motor Control Circuit issue causing OBDII code B1D2A in a Jeep?

- The cost of repairs can vary depending on the exact cause of the issue, but it may involve replacing the vertical motor, repairing wiring, or fixing the mirror control switch.

7. Can I repair the OBDII code B1D2A issue in my Jeep's passenger mirror circuit myself, or should I take it to a professional mechanic?

- If you have experience with automotive electrical systems and the necessary tools, you may be able to diagnose and repair the issue yourself. Otherwise, it's recommended to seek help from a professional mechanic.

8. Are there any temporary fixes or workarounds I can try for the OBDII code B1D2A related to the passenger mirror circuit in my Jeep?

- Temporary fixes like manually adjusting the mirror or securing it in a desired position may help temporarily, but they won't solve the underlying problem causing the code.

9. Will ignoring the OBDII code B1D2A related to the passenger mirror circuit cause further damage to my Jeep?

- Ignoring the code may not cause immediate damage, but it can lead to continued inconvenience and potential safety hazards if the mirror is not functioning correctly.

10. How can I prevent the OBDII code B1D2A from reoccurring in my Jeep's Passenger Mirror Vertical Motor Control Circuit after repairs?

- To prevent the code from reoccurring, make sure to address the root cause of the issue with proper repairs, use high-quality replacement parts, and perform regular maintenance checks on the mirror system.

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