AutoCodes – Jeep – B186D Jeep

B186D Jeep 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 Jeep 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 590
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 11, 2019
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Code B186D Jeep 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 Jeep - Trunk Release Switch Stuck - AutoCodes.com
B186D Jeep Code - Trunk Release Switch Stuck

What are the Possible Causes of the DTC B186D Jeep?

  • 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 Jeep?

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 Jeep 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.

Need more information about the B186D Jeep code?

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Need Help with the Code?

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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 Jeep Code

1. What are the common symptoms of OBDII code B186D in a Jeep related to the trunk release switch being stuck?

The common symptoms include the trunk release switch not functioning, the trunk not opening when the switch is pressed, or the trunk opening unexpectedly without using the switch.

2. What are the possible causes of the trunk release switch being stuck in a Jeep triggering the B186D code?

The trunk release switch may be stuck due to a faulty switch mechanism, wiring issues, a blown fuse, or a malfunction in the trunk control module.

3. How can I diagnose the issue causing the trunk release switch to be stuck and triggering the B186D code in my Jeep?

You can diagnose the problem by checking the trunk release switch for physical obstructions, inspecting the wiring for damage, testing the switch's functionality using a multimeter, and scanning the vehicle for OBDII codes.

4. Can I repair the trunk release switch being stuck and the B186D code issue in my Jeep myself?

Depending on the cause of the problem, you may be able to repair it yourself. Simple fixes like replacing a blown fuse or cleaning the switch contacts can be DIY tasks. However, more complex issues may require professional diagnosis and repair.

5. Is it safe to continue driving my Jeep with the trunk release switch stuck and the B186D code present?

It is not recommended to drive the vehicle with the trunk release switch stuck, as it can pose a safety hazard in case you need to access the trunk in an emergency or if the trunk opens unexpectedly while driving.

6. How much does it typically cost to repair the trunk release switch issue causing the B186D code in a Jeep?

The cost of repairing the trunk release switch issue can vary depending on the cause of the problem and whether you choose to do the repairs yourself or take it to a mechanic. Costs may include parts and labor charges.

7. Can resetting the vehicle's computer system help clear the B186D code related to the trunk release switch being stuck in a Jeep?

Resetting the computer system may temporarily clear the code, but if the underlying issue causing the trunk release switch to be stuck is not addressed, the code is likely to return.

8. Are there any preventive measures I can take to avoid the trunk release switch from getting stuck and triggering the B186D code in my Jeep?

Regularly checking the functionality of the trunk release switch, keeping it clean and free of debris, and addressing any issues promptly can help prevent the switch from getting stuck.

9. Will disconnecting the trunk release switch resolve the B186D code issue in my Jeep?

Disconnecting the trunk release switch may temporarily prevent the code from appearing, but it is not a recommended solution as it may affect the normal functionality of the trunk release system.

10. Is the B186D code related to the trunk release switch being stuck a common issue in Jeep vehicles?

The B186D code related to the trunk release switch being stuck is not uncommon in Jeep vehicles, especially in models with electronic trunk release systems. Regular maintenance and prompt repairs can help prevent this issue.

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