AutoCodes – RAM – B1F04 RAM

B1F04 RAM Code - Mirror Fold Control Circuit

Quick Answer

The Door Module monitors the Mirror Fold Control Circuit. Common causes include Faulty Outside Rear View Mirror, Outside Rear View Mirror harness is open or shorted, Outside Rear View 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
B1F04 RAM indicates Mirror Fold Control Circuit.
Common causes
Common causes include Faulty Outside Rear View Mirror, Outside Rear View Mirror harness is open or shorted, Outside Rear View 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 1,138
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 05, 2019
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Code B1F04 RAM Description

The Door Module monitors the Mirror Fold Control Circuit. The Door Module will set the OBDII code when the Mirror Fold Control Circuit is not to factory specifications.
OBDII Code B1F04 RAM - Mirror Fold Control Circuit - AutoCodes.com
B1F04 RAM Code - Mirror Fold Control Circuit

What are the Possible Causes of the DTC B1F04 RAM?

  • Faulty Outside Rear View Mirror
  • Outside Rear View Mirror harness is open or shorted
  • Outside Rear View Mirror circuit poor electrical connection
  • Faulty Door Module

How to Fix the DTC B1F04 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1F04 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 B1F04 RAM Code

1. What are the common symptoms of OBDII code B1F04 RAM Mirror Fold Control Circuit?

- The common symptoms include inoperative mirror folding function, inability to adjust mirror position electronically, and a mirror control switch that does not respond.

2. What are the possible causes of OBDII code B1F04 RAM Mirror Fold Control Circuit?

- The code may be triggered by a faulty mirror fold control switch, damaged wiring or connectors, a malfunctioning mirror fold motor, or a software issue in the mirror control module.

3. How can I diagnose the cause of OBDII code B1F04 RAM Mirror Fold Control Circuit?

- To diagnose the issue, you can start by checking the mirror fold control switch, inspecting the wiring and connectors for any visible damage, testing the mirror fold motor for proper functionality, and scanning the mirror control module for fault codes.

4. Can I still drive my vehicle with OBDII code B1F04 RAM Mirror Fold Control Circuit?

- Yes, you can still drive your vehicle with this code, but you may experience inconvenience due to the inoperative mirror folding function. It is recommended to address the issue as soon as possible to restore the functionality.

5. How can I repair OBDII code B1F04 RAM Mirror Fold Control Circuit?

- The repair process may involve replacing a faulty mirror fold control switch, repairing or replacing damaged wiring or connectors, replacing the mirror fold motor if necessary, or reprogramming the mirror control module.

6. Is it possible to reset OBDII code B1F04 RAM Mirror Fold Control Circuit without repairs?

- Resetting the code without addressing the underlying issue may temporarily clear the fault code, but it is likely to reappear once the problem persists. It is recommended to diagnose and repair the root cause of the code.

7. Can weather conditions affect OBDII code B1F04 RAM Mirror Fold Control Circuit?

- Extreme weather conditions such as water ingress due to heavy rain or extreme temperatures may potentially contribute to the malfunction of the mirror fold control circuit components, triggering the fault code.

8. Are there any preventive maintenance tips to avoid OBDII code B1F04 RAM Mirror Fold Control Circuit?

- Regularly inspecting the mirror fold control switch, ensuring proper wiring connections, and protecting the mirror control components from environmental factors can help prevent issues that lead to this fault code.

9. Can a DIY enthusiast repair OBDII code B1F04 RAM Mirror Fold Control Circuit?

- Depending on your skill level and access to tools, DIY enthusiasts may be able to address simple causes of the fault code such as replacing the mirror fold control switch or checking and repairing wiring issues. More complex repairs may require professional assistance.

10. How much does it typically cost to repair OBDII code B1F04 RAM Mirror Fold Control Circuit?

- The cost of repairing this fault code can vary depending on the underlying cause, parts needed for replacement, labor charges, and whether the repair is done at a dealership or an independent repair shop. The cost may range from a few hundred to over a thousand dollars.

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