AutoCodes – Generic – B2604

B2604 Code - Power Sliding Door On/Off Switch Open Circuit

Quick Answer

The Body Control Module (BCM) monitors the Power Sliding Door On/Off Switch. Common causes include Faulty Power Sliding Door On/Off Switch, Power Sliding Door On/Off Switch harness is open or shorted, Power Sliding Door On/Off 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: B2604 indicates Power Sliding Door On/Off Switch Open Circuit.
Common causes: Common causes include Faulty Power Sliding Door On/Off Switch, Power Sliding Door On/Off Switch harness is open or shorted, Power Sliding Door On/Off 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 14,940

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 07, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2604 Description

The Body Control Module (BCM) monitors the Power Sliding Door On/Off Switch. The BCM sets the OBDII code when the Power Sliding Door On/Off Switch is not to factory specifications.

OBDII Code B2604 - Power Sliding Door On/Off Switch Open Circuit - AutoCodes.com — B2604 Code - Power Sliding Door On/Off Switch Open Circuit

What does this mean?

What are the Possible Causes of the DTC B2604?

Faulty Power Sliding Door On/Off Switch
Power Sliding Door On/Off Switch harness is open or shorted
Power Sliding Door On/Off Switch circuit poor electrical connection

How to Fix the DTC B2604?

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 B2604 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 B2604 code?

Need more information on how to fix the B2604 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2604 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2604 Infiniti — Park/Neutral Position Switch
B2604 Nissan — Park/Neutral Position Switch

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 B2604 Code

1. What are the common symptoms of OBDII code B2604 (Power Sliding Door On/Off Switch Open Circuit)?

The common symptoms include the power sliding door not responding to the switch, failure of the door to open or close, and potentially a warning light on the dashboard.

2. What are the possible causes of OBDII code B2604?

The code B2604 is typically caused by a malfunction in the power sliding door on/off switch, a damaged wiring harness, or a poor connection in the circuit.

3. How can I diagnose the issue related to OBDII code B2604?

You can diagnose the issue by checking the wiring harness for any visible damage, testing the power sliding door switch for continuity, and using a scan tool to retrieve the specific fault codes.

4. Can a DIY enthusiast repair OBDII code B2604?

If you have some experience with automotive electrical systems, you may be able to repair OBDII code B2604 by replacing the faulty power sliding door switch or repairing any damaged wiring carefully.

5. Is it safe to drive with OBDII code B2604 present?

It is generally safe to drive with OBDII code B2604, but you may experience issues with the power sliding door's operation. It is recommended to address the problem promptly to avoid inconvenience.

6. How much does it cost to repair OBDII code B2604 at a mechanic?

The cost of repairing OBDII code B2604 can vary depending on the extent of the issue and the labor rates of the mechanic. Typically, the repair cost can range from $100 to $300.

7. Can resetting the OBDII system clear code B2604?

Resetting the OBDII system may temporarily clear the code B2604, but if the underlying issue is not addressed, the code is likely to reappear once the problem is detected again.

8. Are there any preventive measures to avoid OBDII code B2604 in the future?

To prevent OBDII code B2604, it is advisable to regularly inspect the power sliding door switch, ensure proper wiring connections, and address any door operation issues promptly.

9. What are the implications of ignoring OBDII code B2604?

Ignoring OBDII code B2604 may lead to continued malfunction of the power sliding door, inconvenience in using the door, and potential safety concerns if the door fails to operate correctly.

10. Can extreme weather conditions contribute to triggering OBDII code B2604?

Yes, extreme weather conditions can sometimes lead to issues that trigger OBDII code B2604, such as water damage to the wiring harness or components related to the power sliding door system.