AutoCodes – RAM – B186D RAM

B186D RAM Code - Trunk Release Switch Stuck

Quick Answer

The Instrument Cluster monitors the Trunk Release Switch. Common causes include Faulty Trunk Release Switch, Trunk Release Switch harness is open or shorted, Trunk Release Switch 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: B186D RAM indicates Trunk Release Switch Stuck.
Common causes: Common causes include Faulty Trunk Release Switch, Trunk Release Switch harness is open or shorted, Trunk Release Switch 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 462

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 Jul 11, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B186D RAM Description

The Instrument Cluster monitors the Trunk Release Switch. The Instrument Cluster sets the OBDII code when the Decklid Release Switch Sense circuit is low for over 30 seconds.

OBDII Code B186D RAM - Trunk Release Switch Stuck - AutoCodes.com — B186D RAM Code - Trunk Release Switch Stuck

What does this mean?

What are the Possible Causes of the DTC B186D RAM?

Faulty Trunk Release Switch
Trunk Release Switch harness is open or shorted
Trunk Release Switch circuit poor electrical connection
Faulty Instrument Cluster

How to Fix the DTC B186D 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 B186D 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 B186D RAM Code

1. What does OBDII code B186D RAM mean?

The code B186D RAM indicates a problem with the trunk release switch being stuck in your vehicle.

2. What are the common symptoms of a trunk release switch stuck issue?

Common symptoms include the trunk not opening when the switch is activated, the trunk opening randomly on its own, or the trunk release switch feeling jammed or unresponsive.

3. What are the possible causes of the trunk release switch getting stuck?

The trunk release switch can get stuck due to a faulty switch, wiring issues, a malfunctioning trunk release actuator, or a problem with the control module.

4. How can I diagnose the trunk release switch stuck problem?

You can diagnose the issue by checking the condition of the trunk release switch, inspecting the wiring for any damage, testing the trunk release actuator, and scanning for OBDII codes like B186D RAM.

5. What are some repair tips for fixing a stuck trunk release switch?

Repair tips include cleaning or replacing the trunk release switch, repairing any damaged wiring, replacing the trunk release actuator if necessary, and resetting the control module.

6. Can a stuck trunk release switch be fixed at home or should I visit a mechanic?

Depending on your automotive repair skills, you may be able to fix a stuck trunk release switch at home by following repair guides and using basic tools. However, if you are unsure or the issue is complex, it's recommended to seek help from a professional mechanic.

7. Is it safe to continue driving with a trunk release switch stuck issue?

It is not recommended to continue driving with a malfunctioning trunk release switch, as it can pose safety risks in emergencies or impact the security of your vehicle. It's best to address the issue promptly.

8. How much does it cost to repair a trunk release switch stuck problem?

The cost of repairing a stuck trunk release switch can vary depending on the underlying cause, parts needed for replacement, labor costs, and whether you choose to fix it yourself or take it to a mechanic. It's advisable to get a few quotes for an accurate estimate.

9. Can a trunk release switch stuck problem cause other issues in the vehicle?

While the primary concern with a stuck trunk release switch is the inability to access the trunk easily, it can also lead to draining the vehicle's battery if the switch remains activated or cause inconvenience when loading or unloading items from the trunk.

10. How can I prevent the trunk release switch from getting stuck in the future?

To prevent the trunk release switch from getting stuck, you can periodically check and clean the switch, ensure the wiring is in good condition, and address any issues promptly to avoid them escalating into larger problems.