AutoCodes – Nissan – B27F0 Nissan

B27F0 Nissan Code - Refrigerant Channel Switching 2 Way Type Valve

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Heat Pump Control Unit detects a malfunction of the Refrigerant Channel Switching 2 Way Type Valve control signal status, compared to the valve status of the control that is being judged. Common causes include Faulty Refrigerant Channel Switching 2 Way Type Valve, Refrigerant Channel Switching 2 Way Type Valve harness is open or shorted, Refrigerant Channel Switching 2 Way Type Valve 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: B27F0 Nissan indicates Refrigerant Channel Switching 2 Way Type Valve.
Common causes: Common causes include Faulty Refrigerant Channel Switching 2 Way Type Valve, Refrigerant Channel Switching 2 Way Type Valve harness is open or shorted, Refrigerant Channel Switching 2 Way Type Valve 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 734

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 Feb 10, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B27F0 Nissan Description

OBDII Code B27F0 Nissan - Refrigerant Channel Switching 2 Way Type Valve - AutoCodes.com — B27F0 Nissan Code - Refrigerant Channel Switching 2 Way Type Valve

What does this mean?

What are the Possible Causes of the DTC B27F0 Nissan?

Faulty Refrigerant Channel Switching 2 Way Type Valve
Refrigerant Channel Switching 2 Way Type Valve harness is open or shorted
Refrigerant Channel Switching 2 Way Type Valve circuit poor electrical connection
Faulty Heat Pump Control Unit

How to Fix the DTC B27F0 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 B27F0 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 B27F0 Nissan code?

Need more information on how to fix the B27F0 Nissan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B27F0 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 B27F0 Nissan Code

1. What does OBDII code B27F0 for Nissan mean?

The code B27F0 indicates a fault with the Refrigerant Channel Switching 2 Way Type Valve in the air conditioning system.

2. What are some common symptoms of a B27F0 OBDII code in a Nissan vehicle?

Common symptoms include poor or no cooling from the air conditioning system, erratic temperature control, and potential issues with defrosting.

3. What are possible causes of the B27F0 OBDII code in a Nissan?

Causes can include a faulty Refrigerant Channel Switching 2 Way Type Valve, wiring issues, low refrigerant levels, or a malfunctioning air conditioning system control module.

4. How can I diagnose the B27F0 OBDII code in my Nissan?

Diagnosis typically involves using a scan tool to retrieve the code, checking the valve for proper operation, inspecting wiring for damage, and verifying refrigerant levels in the system.

5. Can I drive my Nissan with a B27F0 OBDII code?

It is not recommended to drive your vehicle with this code present, as it can lead to further damage to the air conditioning system and potentially affect other vehicle functions.

6. How can I repair a B27F0 OBDII code in my Nissan?

Repair may involve replacing the Refrigerant Channel Switching 2 Way Type Valve, repairing damaged wiring, recharging the refrigerant, or resetting the system after addressing the issue.

7. Are there any DIY tips for fixing a B27F0 OBDII code in a Nissan?

While some basic troubleshooting steps can be taken, it is advisable to consult a professional mechanic or service center for proper diagnosis and repair of the issue.

8. Will resetting the OBDII code clear the B27F0 fault in my Nissan?

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

9. How much does it typically cost to repair a B27F0 OBDII code in a Nissan?

The cost of repair can vary depending on the exact cause of the issue, but it may involve parts and labor costs ranging from a few hundred to over a thousand dollars.

10. Is the B27F0 OBDII code exclusive to Nissan vehicles?

While the specific code may vary across different vehicle manufacturers, similar issues related to the Refrigerant Channel Switching Valve can occur in other makes and models with similar air conditioning systems.