AutoCodes – Nissan – B2426 Nissan

B2426 Nissan Code - Automatic Back Door Encoder

Quick Answer

The Automatic Back Door Control Module monitors the Automatic Back Door Encoder. Common causes include Faulty Encoder, Encoder harness is open or shorted, Encoder 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: B2426 Nissan indicates Automatic Back Door Encoder.
Common causes: Common causes include Faulty Encoder, Encoder harness is open or shorted, Encoder 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 14,437

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 Dec 08, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2426 Nissan Description

The Automatic Back Door Control Module monitors the Automatic Back Door Encoder. The OBDII code sets when the Automatic Back Door Control Module can not receive the pulse signal from the Encoder just after starting the open/close operation.

OBDII Code B2426 Nissan - Automatic Back Door Encoder - AutoCodes.com — B2426 Nissan Code - Automatic Back Door Encoder

What does this mean?

What are the Possible Causes of the DTC B2426 Nissan?

Faulty Encoder
Encoder harness is open or shorted
Encoder circuit poor electrical connection
Faulty Back Door Mechanism
Faulty Automatic Back Door Control Module

How to Fix the DTC B2426 Nissan?

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 B2426 Nissan 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 B2426 Nissan Code

1. What does the OBDII code B2426 on a Nissan indicate?

The code B2426 indicates a problem with the automatic back door encoder in certain Nissan models, which may affect the operation of the vehicleâ€™s automatic back door system.

2. What are common symptoms of the B2426 code in a Nissan?

Symptoms include the automatic back door not opening or closing properly, unexpected movement during operation, or complete non-functionality of the back door.

3. What causes the B2426 code to appear on a Nissan?

Common causes include faulty back door encoder, damaged wiring or connectors in the back door circuit, or a malfunctioning back door control module.

4. How can I troubleshoot the B2426 code on my Nissan?

Start by inspecting the back door's wiring and connectors for any visible damage or loose connections. Check the encoder itself for signs of wear or damage, and consider using a scan tool to diagnose deeper electronic issues.

5. Is it safe to drive my Nissan with the B2426 code?

While driving safety is not directly compromised, the functionality of the automatic back door may be unreliable, which could be inconvenient and potentially lead to security issues if the door does not close properly.

6. What are the repair options for fixing code B2426 on a Nissan?

Repair options include replacing the faulty encoder, repairing any damaged wires or connectors, or, if necessary, replacing the back door control module.

7. How can I prevent the B2426 code from occurring in my Nissan?

Regular maintenance of the back doorâ€™s mechanical and electrical components can help prevent issues. Ensure that the back door and its components are clean and free from debris, and check for signs of wear or damage periodically.

8. What tools are needed to diagnose the B2426 code on a Nissan?

A digital multimeter and a scan tool capable of interfacing with Nissanâ€™s back door system are essential for diagnosing issues related to the B2426 code.

9. Can a faulty automatic back door encoder affect other systems in my Nissan?

Typically, a faulty encoder will not affect other vehicle systems directly, but it can cause the automatic back door system to fail, which might impact convenience and security features associated with the vehicleâ€™s back door.

10. How much does it typically cost to fix the B2426 code on a Nissan?

The cost can vary widely depending on the specific repair needed and the model of Nissan. Minor repairs like wiring fixes might be less costly, while replacing a back door encoder or control module could be more expensive, often ranging from $200 to $600 including parts and labor.