AutoCodes – RAM – B1D2F RAM

B1D2F RAM Code - Mirror Horizontal Motor Control Circuit Low

Quick Answer

When the Memory Mirror Module senses a value below the tolerance of the mirror motor on the Mirror Horizontal Motor Driver 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: B1D2F RAM indicates Mirror Horizontal 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 675

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 28, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1D2F RAM Description

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

OBDII Code B1D2F RAM - Mirror Horizontal Motor Control Circuit Low - AutoCodes.com — B1D2F RAM Code - Mirror Horizontal Motor Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC B1D2F 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 B1D2F 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 B1D2F 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 B1D2F RAM Code

1. What are the common symptoms of OBDII code B1D2F RAM (Mirror Horizontal Motor Control Circuit Low)?

The common symptoms of this code include the power mirror not moving horizontally or moving erratically, and a malfunction indicator light (MIL) on the dashboard.

2. What are the possible causes of OBDII code B1D2F RAM?

The code B1D2F RAM may be triggered by a faulty mirror horizontal motor, damaged wiring or connectors in the mirror control circuit, or a malfunctioning mirror control switch.

3. How can I diagnose OBDII code B1D2F RAM?

To diagnose this code, you can start by checking the wiring and connectors for any visible damage, testing the mirror horizontal motor for proper functionality, and using a scan tool to monitor the mirror control circuit signals.

4. What are the repair options for OBDII code B1D2F RAM?

Repair options for this code may include replacing the faulty mirror horizontal motor, repairing damaged wiring or connectors, or recalibrating the mirror control system using a diagnostic tool.

5. Can I fix OBDII code B1D2F RAM myself?

While some DIY enthusiasts may attempt to diagnose and repair this code, it is recommended to seek help from a professional mechanic with experience in automotive electrical systems for an accurate diagnosis and proper repair.

6. Is it safe to drive with OBDII code B1D2F RAM active?

It is generally safe to drive with this code, but it is important to address the underlying issue promptly to ensure the proper functioning of the mirror control system and avoid any inconvenience while driving.

7. How much does it cost to repair OBDII code B1D2F RAM?

The cost of repairing this code can vary depending on the underlying issue, the labor rates in your area, and the cost of parts needed for the repair. It is recommended to obtain quotes from local mechanics for an accurate estimate.

8. Can weather conditions affect OBDII code B1D2F RAM?

Extreme weather conditions, such as excessive heat or cold, can potentially affect the mirror control system and trigger this code. It is important to keep the vehicle protected and maintained to prevent weather-related issues.

9. Are there any preventive measures to avoid OBDII code B1D2F RAM in the future?

Regularly inspecting the mirror control system, keeping the mirrors clean and free from obstruction, and addressing any issues promptly can help prevent the recurrence of this code in the future.

10. Does resetting the OBDII system clear code B1D2F RAM?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to return. It is important to diagnose and repair the root cause of the code for a permanent solution.