AutoCodes – Generic – B26FA

B26FA Code - Cranking Request Circuit Open

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Body Control Module (BCM) detects that the status of the following signals does not match: Cranking request signal from Engine Control Module (ECM) and Starter control relay control signal from ECM (CAN). Common causes include Faulty Engine Control Module (ECM), Engine Control Module (ECM) harness is open or shorted, Engine Control Module (ECM) 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: B26FA indicates Cranking Request Circuit Open.
Common causes: Common causes include Faulty Engine Control Module (ECM), Engine Control Module (ECM) harness is open or shorted, Engine Control Module (ECM) 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 924

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 B26FA Description

OBDII Code B26FA - Cranking Request Circuit Open - AutoCodes.com — B26FA Code - Cranking Request Circuit Open

What does this mean?

What are the Possible Causes of the DTC B26FA?

Faulty Engine Control Module (ECM)
Engine Control Module (ECM) harness is open or shorted
Engine Control Module (ECM) circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B26FA?

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 B26FA 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 B26FA code?

Need more information on how to fix the B26FA code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B26FA code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B26FA Infiniti — Cranking Request Circuit Open
B26FA Nissan — Cranking Request Circuit Open

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 B26FA Code

1. What are the common symptoms of OBDII code B26FA (Cranking Request Circuit Open)?

- Common symptoms include difficulty starting the vehicle, engine cranking but not starting, and the check engine light being illuminated.

2. What can cause the Cranking Request Circuit Open code B26FA?

- The code B26FA can be caused by a faulty crankshaft position sensor, a damaged wiring harness, or a problem with the engine control module (ECM).

3. How serious is the OBDII code B26FA (Cranking Request Circuit Open)?

- The B26FA code can prevent the engine from starting, so it is important to address this issue promptly to ensure the vehicle remains operational.

4. How do I diagnose the Cranking Request Circuit Open code B26FA?

- Diagnosing the B26FA code involves using a scan tool to retrieve the code, testing the crankshaft position sensor, inspecting the wiring for damage, and checking the ECM for faults.

5. Can I drive my vehicle with the OBDII code B26FA?

- It is not recommended to drive the vehicle with the B26FA code present, as it can lead to starting issues and potential breakdowns.

6. What are some repair tips for resolving the Cranking Request Circuit Open code B26FA?

- Repair tips include checking and replacing the crankshaft position sensor, repairing any damaged wiring, and resetting the ECM to clear the code.

7. How much does it cost to fix OBDII code B26FA (Cranking Request Circuit Open)?

- The cost of fixing the B26FA code can vary depending on the underlying issue, but it typically ranges from $100 to $300 for parts and labor.

8. Can a DIY enthusiast fix the B26FA code themselves?

- DIY enthusiasts with knowledge of automotive repair and access to the necessary tools can attempt to fix the B26FA code themselves, but professional help may be required for more complex issues.

9. Will resetting the OBDII code B26FA make it go away permanently?

- Resetting the B26FA code may temporarily clear the check engine light, but if the underlying issue is not addressed, the code is likely to reappear.

10. How long does it take to repair the OBDII code B26FA (Cranking Request Circuit Open)?

- The repair time for the B26FA code can vary depending on the specific cause, but it typically takes a few hours for a professional mechanic to diagnose and fix the issue.