AutoCodes – RAM – B1D1C RAM

B1D1C RAM Code - Mirror Motor Common Control Circuit High

Quick Answer

When the Memory Mirror Module senses voltage present on the Mirror Motor Common Control circuit, when there should not be, 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: B1D1C RAM indicates Mirror Motor Common Control Circuit High.
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 448

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 B1D1C RAM Description

When the Memory Mirror Module senses voltage present on the Mirror Motor Common Control circuit, when there should not be, for over 10ms, this Diagnostic Trouble Code (DTC) will set.

OBDII Code B1D1C RAM - Mirror Motor Common Control Circuit High - AutoCodes.com — B1D1C RAM Code - Mirror Motor Common Control Circuit High

What does this mean?

What are the Possible Causes of the DTC B1D1C 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 B1D1C 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 B1D1C 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 B1D1C RAM Code

1. What are the common symptoms of OBDII code B1D1C RAM related to the Mirror Motor Common Control Circuit High?

- Common symptoms include malfunctioning power mirrors, mirrors that fail to adjust properly, or mirrors that move erratically.

2. What are the possible causes of the Mirror Motor Common Control Circuit High code B1D1C RAM?

- Potential causes may include damaged wiring or connectors in the mirror control circuit, a faulty mirror motor, or a malfunctioning mirror control switch.

3. How can I diagnose the Mirror Motor Common Control Circuit High code B1D1C RAM?

- Diagnose the issue by checking the wiring and connectors for any visible damage, testing the mirror motor for proper function, and using a scan tool to monitor the mirror control circuit.

4. What are some repair tips for resolving OBDII code B1D1C RAM related to the Mirror Motor Common Control Circuit High?

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

5. Can I continue driving my vehicle with the Mirror Motor Common Control Circuit High code B1D1C RAM?

- It is generally safe to drive with this code, but it is recommended to address the issue promptly to avoid potential safety hazards caused by malfunctioning mirrors.

6. How can I reset the OBDII code B1D1C RAM after repairing the Mirror Motor Common Control Circuit High issue?

- You can reset the code using an OBDII scan tool by clearing the diagnostic trouble codes stored in the vehicle's computer system.

7. Are there any preventive measures to avoid encountering the Mirror Motor Common Control Circuit High code B1D1C RAM in the future?

- To prevent future occurrences, regularly inspect the mirror control circuit for any signs of wear or damage, and address any issues promptly to avoid potential failures.

8. Can extreme weather conditions or environmental factors contribute to triggering OBDII code B1D1C RAM related to the Mirror Motor Common Control Circuit High?

- Yes, extreme weather conditions or exposure to moisture can sometimes lead to electrical issues in the mirror control circuit, triggering this code.

9. Is it necessary to visit a mechanic for repairs related to OBDII code B1D1C RAM concerning the Mirror Motor Common Control Circuit High?

- While it is recommended to seek professional assistance for complex electrical issues, some DIY enthusiasts may be able to address simpler repairs like checking and repairing wiring themselves.

10. How can I prevent the Mirror Motor Common Control Circuit High code B1D1C RAM from coming back after I have fixed the issue?

- To prevent the code from reoccurring, ensure all repairs are done correctly, perform regular maintenance checks on the mirror control system, and address any related issues promptly.