AutoCodesRAM – B2860 RAM

B2860 RAM Code - Door Ambient Light Control Circuit

Quick Answer

An ambient lamp can be a: map pocket, door handle, halo ring, cup holder, etc. Common causes include Faulty Door Ambient Light Driver, Door Ambient Light Driver harness is open or shorted, Door Ambient Light Driver 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
B2860 RAM indicates Door Ambient Light Control Circuit.
Common causes
Common causes include Faulty Door Ambient Light Driver, Door Ambient Light Driver harness is open or shorted, Door Ambient Light Driver 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 940
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Feb 17, 2020
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Code B2860 RAM Description

An ambient lamp can be a: map pocket, door handle, halo ring, cup holder, etc. It is a LED with a built-in circuit board. The Diagnostic Trouble Code (DTC) sets when the Door Module detects the Door Ambient Lamp Driver circuit is shorted to ground, short to the battery or open.
OBDII Code B2860 RAM - Door Ambient Light Control Circuit - AutoCodes.com
B2860 RAM Code - Door Ambient Light Control Circuit

What are the Possible Causes of the DTC B2860 RAM?

  • Faulty Door Ambient Light Driver
  • Door Ambient Light Driver harness is open or shorted
  • Door Ambient Light Driver circuit poor electrical connection
  • Faulty Door Module

How to Fix the DTC B2860 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 B2860 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 B2860 RAM Code

1. What does OBDII code B2860 RAM mean?

Code B2860 in a RAM vehicle refers to an issue with the Door Ambient Light Control Circuit, indicating a fault in the wiring or control system for the ambient lighting in the door.

2. What are the symptoms of code B2860 in a RAM vehicle?

Common symptoms include non-functional or flickering door ambient lights, dim lighting, or a warning light on the dashboard.

3. What causes the B2860 code to appear?

The code can be triggered by damaged wiring, a faulty ambient light module, a blown fuse, a malfunctioning door control module, or a poor electrical connection.

4. How can I diagnose the B2860 code?

Start by checking the door ambient light wiring and connectors for damage or corrosion. Use a multimeter to test for continuity and inspect the door control module for proper functionality.

5. Can I still drive my RAM vehicle with a B2860 code?

Yes, the B2860 code does not affect the drivability of the vehicle. However, the door ambient lighting may not function properly until the issue is resolved.

6. How do I fix a B2860 code in a RAM vehicle?

Repairs may include replacing damaged wiring, cleaning or reconnecting corroded connectors, replacing the door ambient light module, or reprogramming the door control module.

7. Can a blown fuse cause the B2860 code?

Yes, a blown fuse in the circuit powering the door ambient lights can cause this code to appear. Check and replace the fuse if necessary.

8. Is the B2860 code covered under warranty?

It depends on your vehicle’s warranty. Ambient light issues may be covered under a factory warranty or an extended warranty if the vehicle is still within the coverage period.

9. How much does it cost to fix the B2860 code?

Repair costs vary depending on the cause. Simple fixes like replacing a fuse or repairing wiring may cost under $100, while replacing a door control module or ambient light module could be more expensive.

10. Can a software update fix the B2860 code?

In some cases, a software update for the door control module may resolve the issue if the fault is related to a programming glitch. Check with your dealership for updates.

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