AutoCodes – Nissan – B26F4 Nissan

B26F4 Nissan Code - Starter Lock Relay Off

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Body Control Module (BCM) requests IPDM E/R to turn starter control relay ON, but BCM cannot receive starter control relay ON state signal from Intelligent Power Distribution Module Engine Room (IPDM E/R) (CAN). Common causes include Faulty Intelligent Power Distribution Module Engine Room (IPDM E/R), IPDM E/R harness is open or shorted, IPDM E/R 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: B26F4 Nissan indicates Starter Lock Relay Off.
Common causes: Common causes include Faulty Intelligent Power Distribution Module Engine Room (IPDM E/R), IPDM E/R harness is open or shorted, IPDM E/R 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 13,552

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Jan 22, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B26F4 Nissan Description

OBDII Code B26F4 Nissan - Starter Lock Relay Off - AutoCodes.com — B26F4 Nissan Code - Starter Lock Relay Off

What does this mean?

What are the Possible Causes of the DTC B26F4 Nissan?

Faulty Intelligent Power Distribution Module Engine Room (IPDM E/R)
IPDM E/R harness is open or shorted
IPDM E/R circuit poor electrical connection

How to Fix the DTC B26F4 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 B26F4 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.

Need more information about the B26F4 Nissan code?

Need more information on how to fix the B26F4 Nissan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B26F4 Nissan code diagnosed by a professional: Find a repair shop in your area

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 B26F4 Nissan Code

1. What are the common symptoms of OBDII code B26F4 (Nissan) titled Starter Lock Relay Off?

- The common symptoms include difficulty starting the vehicle, intermittent starting issues, and the engine not cranking when the ignition is turned.

2. What are the possible causes of OBDII code B26F4 (Nissan) indicating Starter Lock Relay Off?

- Possible causes may include a faulty starter lock relay, issues with the ignition switch, wiring problems, or a malfunctioning starter motor.

3. How can I diagnose the OBDII code B26F4 on my Nissan related to Starter Lock Relay Off?

- Diagnose the code by checking the condition of the starter lock relay, testing the ignition switch, inspecting the wiring for any damage, and ensuring proper connection to the starter motor.

4. What should I do if I encounter the OBDII code B26F4 (Nissan) related to Starter Lock Relay Off?

- If you encounter this code, it is recommended to have a professional mechanic diagnose the issue to determine the exact cause and necessary repairs.

5. Can I drive my Nissan with the OBDII code B26F4 (Starter Lock Relay Off) present?

- It is not advisable to drive the vehicle with this code present, as it may lead to further damage to the starter system and potentially leave you stranded.

6. How much does it typically cost to repair OBDII code B26F4 on a Nissan for Starter Lock Relay Off?

- The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing the starter lock relay, fixing wiring problems, or addressing any other related issues.

7. Are there any DIY repair tips for fixing OBDII code B26F4 (Nissan) related to Starter Lock Relay Off?

- DIY repair may involve checking and cleaning the connections to the starter system, inspecting the relay for signs of damage, and testing the ignition switch for proper functionality.

8. Can a faulty starter lock relay cause the OBDII code B26F4 (Nissan) to appear?

- Yes, a faulty starter lock relay can trigger the OBDII code B26F4 related to Starter Lock Relay Off, as it plays a crucial role in allowing the starter motor to engage.

9. How urgent is it to address the OBDII code B26F4 on my Nissan indicating Starter Lock Relay Off?

- It is important to address this code promptly to avoid potential starting problems and further damage to the starter system, which could lead to more costly repairs.

10. Is resetting the OBDII code B26F4 (Nissan) related to Starter Lock Relay Off a sufficient solution?

- Resetting the code may temporarily clear the error, but it is crucial to diagnose and fix the underlying issue causing the code to prevent future problems.