AutoCodes – RAM – B1D1B RAM

B1D1B RAM Code - Mirror Motor Common Control Circuit Low

Quick Answer

When the Memory Mirror Module senses a value below the tolerance of the mirror motor on the Mirror Motor Common 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: B1D1B RAM indicates Mirror Motor Common 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 555

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 27, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1D1B RAM Description

When the Memory Mirror Module senses a value below the tolerance of the mirror motor on the Mirror Motor Common Control circuit for over 10ms, this Diagnostic Trouble Code (DTC) will set.

OBDII Code B1D1B RAM - Mirror Motor Common Control Circuit Low - AutoCodes.com — B1D1B RAM Code - Mirror Motor Common Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC B1D1B RAM?

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 B1D1B RAM?

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 B1D1B RAM 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 B1D1B RAM Code

1. What are the common symptoms of OBDII code B1D1B RAM for Mirror Motor Common Control Circuit Low?

- The common symptoms include malfunctioning power mirrors, erratic movement, or total failure to adjust the mirror position.

2. What are the typical causes of OBDII code B1D1B RAM for Mirror Motor Common Control Circuit Low?

- The code is usually triggered by a faulty mirror motor, damaged wiring or connectors, or a malfunctioning mirror control switch.

3. How can I diagnose the issue related to OBDII code B1D1B RAM for Mirror Motor Common Control Circuit Low?

- You can start by checking the wiring and connectors for any visible damage, testing the mirror motor for proper function, and inspecting the mirror control switch for any signs of malfunction.

4. What are some repair tips for resolving OBDII code B1D1B RAM for Mirror Motor Common Control Circuit Low?

- Repair tips include repairing or replacing damaged wiring and connectors, replacing the faulty mirror motor, and ensuring the mirror control switch is functioning correctly.

5. Can OBDII code B1D1B RAM for Mirror Motor Common Control Circuit Low be safely ignored?

- Ignoring the code can lead to continued issues with the mirror adjustment system, so it is recommended to diagnose and repair the underlying problem.

6. Is it possible to reset OBDII code B1D1B RAM for Mirror Motor Common Control Circuit Low without fixing the issue?

- Clearing the code without addressing the root cause will likely result in the code reappearing once the issue arises again.

7. What are the potential risks of driving with OBDII code B1D1B RAM for Mirror Motor Common Control Circuit Low unresolved?

- Driving with the issue unresolved may lead to inconvenience due to non-functioning power mirrors, which can affect visibility and safety while driving.

8. Are there any common related codes that may accompany OBDII code B1D1B RAM for Mirror Motor Common Control Circuit Low?

- Related codes may include other mirror control circuit codes or codes related to the power mirror system in the vehicle.

9. How can I prevent OBDII code B1D1B RAM for Mirror Motor Common Control Circuit Low from appearing in the future?

- Regularly inspecting and maintaining the mirror adjustment system, including the mirror motor, wiring, and control switch, can help prevent this code from reoccurring.

10. Can a DIY enthusiast repair OBDII code B1D1B RAM for Mirror Motor Common Control Circuit Low?

- Depending on the individual's skill level and access to tools, a DIY enthusiast may be able to repair this issue by following proper diagnostic procedures and repair guides.