AutoCodes – RAM – B259F RAM

B259F RAM 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 RAM 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 552
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 05, 2020
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Code B259F RAM 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 RAM - Trunk/Liftgate Lock Control Circuit Short To Ground - AutoCodes.com
B259F RAM Code - Trunk/Liftgate Lock Control Circuit Short To Ground

What are the Possible Causes of the DTC B259F RAM?

  • 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 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 B259F 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 B259F RAM Code

1. What are the common symptoms of OBDII code B259F RAM related to the Trunk/Liftgate Lock Control Circuit Short To Ground?

- Common symptoms include the trunk or liftgate lock not functioning properly, the lock continuously engaging or disengaging, and warning lights on the dashboard.

2. What are the possible causes of OBDII code B259F RAM indicating a Trunk/Liftgate Lock Control Circuit Short To Ground?

- Possible causes include damaged wiring in the lock control circuit, a faulty lock actuator, a short circuit to ground, or a malfunctioning control module.

3. How can I diagnose OBDII code B259F RAM for the Trunk/Liftgate Lock Control Circuit Short To Ground?

- Diagnosis involves using a scan tool to retrieve the trouble code, inspecting the wiring and connectors for damage, testing the lock actuator, and checking for any visible signs of a short circuit.

4. What are some repair tips for resolving OBDII code B259F RAM associated with the Trunk/Liftgate Lock Control Circuit Short To Ground?

- Repair tips include repairing or replacing damaged wiring, replacing a faulty lock actuator, fixing any short circuits, and reprogramming the control module if necessary.

5. Can OBDII code B259F RAM for the Trunk/Liftgate Lock Control Circuit Short To Ground cause any safety concerns?

- Yes, a malfunctioning trunk or liftgate lock can pose safety risks, such as the trunk opening unexpectedly while driving or the inability to secure belongings in the trunk.

6. Is it safe to continue driving with OBDII code B259F RAM related to the Trunk/Liftgate Lock Control Circuit Short To Ground?

- It is not recommended to continue driving with this code unresolved, as it can lead to potential security issues and further damage to the locking system.

7. How much does it typically cost to repair OBDII code B259F RAM for the Trunk/Liftgate Lock Control Circuit Short To Ground?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $400 for parts and labor.

8. Can I reset OBDII code B259F RAM for the Trunk/Liftgate Lock Control Circuit Short To Ground without fixing the underlying issue?

- Resetting the code without addressing the root cause will not resolve the problem, and the code is likely to reappear once the issue persists.

9. Are there any preventive measures to avoid encountering OBDII code B259F RAM related to the Trunk/Liftgate Lock Control Circuit Short To Ground?

- Regularly inspecting the trunk or liftgate locking system, avoiding putting excessive pressure on the lock, and addressing any electrical issues promptly can help prevent this code from occurring.

10. Can a DIY enthusiast with basic automotive knowledge fix OBDII code B259F RAM for the Trunk/Liftgate Lock Control Circuit Short To Ground?

- Depending on the exact cause, some DIY repairs may be possible, such as checking and repairing damaged wiring. However, more complex issues may require professional assistance.

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