AutoCodes – Generic – B259F

B259F Code - Trunk/Liftgate Lock Control Circuit Short To Ground

Quick Answer

After receiving the appropriate requests over the communication network or the input from the Liftgate Release Switch, the Body Control Module (BCM) provides voltage to the Liftgate Door Latch on the liftgate release driver circuit. Common causes include Faulty Liftgate Door Latch, Liftgate Door Latch harness is open or shorted, Liftgate Door Latch 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: B259F indicates Trunk/Liftgate Lock Control Circuit Short To Ground.
Common causes: Common causes include Faulty Liftgate Door Latch, Liftgate Door Latch harness is open or shorted, Liftgate Door Latch 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 1,213

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 05, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B259F Description

After receiving the appropriate requests over the communication network or the input from the Liftgate Release Switch, the Body Control Module (BCM) provides voltage to the Liftgate Door Latch on the liftgate release driver circuit. The return path is provided through a dedicated path to ground. While the Liftgate Release Driver is active. When the Body Control Module senses a low condition on the Decklid/Liftgate Release Driver circuit for more than one second.

OBDII Code B259F - Trunk/Liftgate Lock Control Circuit Short To Ground - AutoCodes.com — B259F Code - Trunk/Liftgate Lock Control Circuit Short To Ground

What does this mean?

What are the Possible Causes of the DTC B259F?

Faulty Liftgate Door Latch
Liftgate Door Latch harness is open or shorted
Liftgate Door Latch circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B259F?

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 B259F 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 B259F code?

Need more information on how to fix the B259F code? Get Access to Factory Service Manuals

Need Help with the Code?

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Information for Specific Makes

B259F Chrysler — Trunk/Liftgate Lock Control Circuit Short To Ground
B259F Dodge — Trunk/Liftgate Lock Control Circuit Short To Ground
B259F Jeep — Trunk/Liftgate Lock Control Circuit Short To Ground
B259F RAM — Trunk/Liftgate Lock Control Circuit Short To Ground

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 B259F Code

What does OBDII code B259F mean?

OBDII code B259F indicates a malfunction in the trunk or liftgate lock control circuit, specifically a short to ground condition.

What are common symptoms of the B259F code?

Common symptoms include the trunk or liftgate not locking or unlocking, warning lights on the dashboard, and possible issues with remote key fob functionality.

What might cause the B259F code to trigger?

Causes can include damaged wiring, a faulty trunk or liftgate lock actuator, a malfunctioning body control module, or corrosion in the connectors.

How can I diagnose the B259F code?

Start by visually inspecting the wiring and connectors for damage or corrosion. Use a multimeter to test for continuity and check the lock actuator's functionality.

What repairs are typically needed for a B259F code?

Repairs may involve repairing or replacing damaged wiring, replacing the trunk or liftgate lock actuator, or reprogramming or replacing the body control module.

Is it safe to drive with the B259F code?

While it may not affect vehicle drivability, it is advisable to address the issue to ensure proper locking mechanisms function and maintain vehicle security.

Can I clear the B259F code without fixing the issue?

Yes, you can clear the code using an OBDII scanner, but the underlying problem will likely cause the code to reappear.

How can I prevent future occurrences of the B259F code?

Regularly inspect wiring and connectors for wear and tear, and ensure that all components related to the trunk and liftgate locking system are in good condition.

Will the B259F code affect my vehicle's warranty?

If the issue is not due to regular wear and is covered under warranty, repairs should be handled by the dealership. Always check your warranty terms for specific coverage.