AutoCodes – RAM – B25C9 RAM

B25C9 RAM Code - Driver Door Ajar Switch 2 Stuck Closed

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Powertrain Control Module (PCM) detects a fault with the Secondary Driver Door Ajar Switch signal received over the CAN C BUS from the Body Control Module (BCM). Common causes include Faulty Driver Door Ajar Switch 2, Driver Door Ajar Switch 2 harness is open or shorted, Driver Door Ajar Switch 2 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: B25C9 RAM indicates Driver Door Ajar Switch 2 Stuck Closed.
Common causes: Common causes include Faulty Driver Door Ajar Switch 2, Driver Door Ajar Switch 2 harness is open or shorted, Driver Door Ajar Switch 2 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 522

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 B25C9 RAM Description

OBDII Code B25C9 RAM - Driver Door Ajar Switch 2 Stuck Closed - AutoCodes.com — B25C9 RAM Code - Driver Door Ajar Switch 2 Stuck Closed

What does this mean?

What are the Possible Causes of the DTC B25C9 RAM?

Faulty Driver Door Ajar Switch 2
Driver Door Ajar Switch 2 harness is open or shorted
Driver Door Ajar Switch 2 circuit poor electrical connection
Faulty Left Front Door Latch Assembly
Faulty Body Control Module (BCM)

How to Fix the DTC B25C9 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 B25C9 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 B25C9 RAM Code

1. What are the common symptoms of OBDII code B25C9 RAM titled Driver Door Ajar Switch 2 Stuck Closed?

- The common symptoms include the interior lights not turning off, the door ajar warning light staying illuminated, and possible issues with the central locking system.

2. What typically causes the Driver Door Ajar Switch 2 to get stuck closed?

- The switch can get stuck closed due to a faulty door sensor, wiring issues, or a malfunction in the door latch mechanism.

3. How can I diagnose the Driver Door Ajar Switch 2 Stuck Closed issue?

- You can diagnose the issue by visually inspecting the door sensor and wiring, checking for loose connections, and using a multimeter to test the switch's functionality.

4. Can I drive my vehicle with the Driver Door Ajar Switch 2 Stuck Closed?

- It is not recommended to drive with this issue as it can lead to drained battery due to the lights staying on, and it may also affect the vehicle's security system.

5. How can I repair the Driver Door Ajar Switch 2 Stuck Closed problem?

- Repair options include replacing the faulty door sensor, repairing or replacing damaged wiring, or adjusting the door latch mechanism to ensure proper contact with the switch.

6. Are there any temporary fixes for the Driver Door Ajar Switch 2 Stuck Closed issue?

- A temporary fix can involve manually pressing and releasing the door switch to see if it gets unstuck, but a permanent repair should be done to avoid further problems.

7. Will resetting the OBDII code B25C9 RAM fix the Driver Door Ajar Switch 2 issue?

- Resetting the code may temporarily clear the warning light, but it will not fix the underlying problem of the stuck door switch. It's best to address the root cause of the issue.

8. Is it possible for the Driver Door Ajar Switch 2 to get stuck closed intermittently?

- Yes, intermittent issues with the door switch can occur due to loose connections, sensor malfunctions, or wiring problems that may require further diagnosis.

9. Can extreme weather conditions affect the Driver Door Ajar Switch 2 operation?

- Extreme weather conditions like cold temperatures or moisture can sometimes affect the door switch's performance, leading to issues with it getting stuck closed.

10. How can I prevent the Driver Door Ajar Switch 2 from getting stuck closed in the future?

- Regular maintenance, keeping the door seals clean, and addressing any issues promptly can help prevent the door switch from getting stuck closed in the future.