AutoCodes – Generic – B26F4

B26F4 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 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 2,749

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 22, 2020

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

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

What does this mean?

What are the Possible Causes of the DTC B26F4?

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?

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 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 code?

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

Need Help with the Code?

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

Information for Specific Makes

B26F4 Infiniti — Starter Lock Relay Off
B26F4 Nissan — Starter Lock Relay Off

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 Code

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

- Common symptoms include the engine not starting, repeated clicking sounds when attempting to start the car, and the starter motor not engaging.

2. What can cause the OBDII code B26F4 to trigger?

- This code is typically triggered by a malfunction in the starter lock relay circuit, which may be caused by a faulty relay, wiring issues, or a problem with the starter itself.

3. How can I diagnose the issue related to OBDII code B26F4?

- To diagnose the problem, you can use a diagnostic scanner to read the code, inspect the starter lock relay and related wiring, and test the starter motor for proper operation.

4. Is it safe to continue driving with OBDII code B26F4 present?

- It is not recommended to drive with this code present, as the inability to start the engine can leave you stranded. It's best to address the issue promptly.

5. Can I reset OBDII code B26F4 and see if it comes back?

- While you can clear the code temporarily, it is likely to return if the underlying issue is not fixed. It's important to diagnose and repair the problem causing the code to prevent further issues.

6. What are some DIY repair tips for fixing OBDII code B26F4?

- DIY repair tips include checking and replacing the starter lock relay, inspecting and repairing any damaged wiring, and testing the starter motor for functionality.

7. Will fixing OBDII code B26F4 require professional help?

- Depending on your level of automotive expertise, you may need professional help to diagnose and repair the issue causing the code. Complex electrical issues may require specialized knowledge and tools.

8. Can a bad battery cause OBDII code B26F4 to appear?

- While a weak or dead battery can sometimes prevent the starter from engaging, OBDII code B26F4 specifically relates to the starter lock relay circuit, so the issue is likely not directly related to the battery.

9. How much does it typically cost to repair OBDII code B26F4?

- The cost of repairing OBDII code B26F4 can vary depending on the underlying issue, but it may involve replacing a faulty starter lock relay, repairing wiring, or replacing the starter motor. Costs can range from a few hundred to over a thousand dollars.

10. Can extreme weather conditions affect OBDII code B26F4?

- Extreme weather conditions can potentially exacerbate issues related to OBDII code B26F4, such as causing electrical connections to weaken or affecting the starter's performance. It's important to address any known issues promptly, especially in harsh weather.