AutoCodes – Generic – B2599

B2599 Code - Tailgate Release Open Circuit

Quick Answer

The Body Control Module (BCM) monitors the Tailgate Release Switch. Common causes include Faulty Tailgate Release Switch, Tailgate Release Switch harness is open or shorted, Tailgate 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: B2599 indicates Tailgate Release Open Circuit.
Common causes: Common causes include Faulty Tailgate Release Switch, Tailgate Release Switch harness is open or shorted, Tailgate 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 5,286

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 Jan 01, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2599 Description

The Body Control Module (BCM) monitors the Tailgate Release Switch. The BCM sets the OBDII code when the Tailgate Release Switch is not to factory specifications.

OBDII Code B2599 - Tailgate Release Open Circuit - AutoCodes.com — B2599 Code - Tailgate Release Open Circuit

What does this mean?

What are the Possible Causes of the DTC B2599?

Faulty Tailgate Release Switch
Tailgate Release Switch harness is open or shorted
Tailgate Release Switch circuit poor electrical connection

How to Fix the DTC B2599?

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 B2599 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 B2599 code?

Need more information on how to fix the B2599 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2599 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2599 Chrysler — Door Module Front Right
B2599 Dodge — Door Module Front Right
B2599 Jeep — Door Module Front Right

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 B2599 Code

What does the OBDII code B2599 mean?

B2599 indicates a problem with the tailgate release circuit, specifically that there is an open circuit preventing the tailgate from functioning correctly.

What are common symptoms of the B2599 code?

Common symptoms include the tailgate not opening, warning lights on the dashboard, and potential issues with other tailgate-related functions.

What could cause the B2599 code to trigger?

Causes can include a faulty tailgate release switch, damaged wiring or connectors in the circuit, or issues with the tailgate control module.

How can I diagnose the B2599 code?

To diagnose B2599, inspect the tailgate release switch and wiring for damage, test the circuit for continuity, and check the tailgate control module for faults.

What are some common repair tips for fixing the B2599 code?

Start by checking for loose or corroded connections, replace any damaged wiring, and consider testing or replacing the tailgate release switch if necessary.

Is B2599 a serious issue that requires immediate attention?

While it may not pose immediate safety concerns, it is advisable to address the issue to restore functionality to the tailgate and avoid further complications.

Can I clear the B2599 code myself after making repairs?

Yes, you can clear the B2599 code using an OBDII scanner after making the necessary repairs, but ensure that the issue is fully resolved to prevent the code from reappearing.

Will the B2599 code affect my vehicle's performance?

Typically, B2599 does not affect overall vehicle performance, but it can hinder the operation of the tailgate and any associated features.

Are there any related codes that may accompany B2599?

Yes, related codes may include other tailgate or body control module codes that indicate issues within the same system.

How much might it cost to repair the issue associated with code B2599?

Repair costs can vary widely depending on the specific cause, ranging from a simple switch replacement to more extensive wiring repairs, typically between $50 to $300.