AutoCodes – Nissan – B27F5 Nissan

B27F5 Nissan Code - Refrigerant Channel Switching 3 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 3 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 3 Way Type Valve, Refrigerant Channel Switching 3 Way Type Valve harness is open or shorted, Refrigerant Channel Switching 3 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
B27F5 Nissan indicates Refrigerant Channel Switching 3 Way Type Valve.
Common causes
Common causes include Faulty Refrigerant Channel Switching 3 Way Type Valve, Refrigerant Channel Switching 3 Way Type Valve harness is open or shorted, Refrigerant Channel Switching 3 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 443
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Feb 10, 2020
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Code B27F5 Nissan Description

The Diagnostic Trouble Code (DTC) sets when the Heat Pump Control Unit detects a malfunction of the Refrigerant Channel Switching 3 Way Type Valve control signal status, compared to the valve status of the control that is being judged.
OBDII Code B27F5 Nissan - Refrigerant Channel Switching 3 Way Type Valve - AutoCodes.com
B27F5 Nissan Code - Refrigerant Channel Switching 3 Way Type Valve

What are the Possible Causes of the DTC B27F5 Nissan?

  • Faulty Refrigerant Channel Switching 3 Way Type Valve
  • Refrigerant Channel Switching 3 Way Type Valve harness is open or shorted
  • Refrigerant Channel Switching 3 Way Type Valve circuit poor electrical connection
  • Faulty Heat Pump Control Unit

How to Fix the DTC B27F5 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 B27F5 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 B27F5 Nissan code?

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Need Help with the Code?

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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 B27F5 Nissan Code

1. What does the OBDII code B27F5 for Nissan indicate?

The code B27F5 relates to the Refrigerant Channel Switching 3 Way Type Valve in a Nissan vehicle.

2. What are common symptoms of a B27F5 OBDII code in a Nissan?

Common symptoms include issues with the air conditioning system, such as poor cooling performance or inconsistent temperature control.

3. What are possible causes of the B27F5 OBDII code in a Nissan?

Potential causes can include a faulty 3-way type valve, wiring issues, low refrigerant levels, or a malfunctioning control module.

4. How can I diagnose the B27F5 OBDII code in my Nissan?

Diagnosing the code involves using an OBDII scanner to read and interpret the code, as well as conducting a thorough inspection of the refrigerant system components.

5. What are some repair tips for addressing the B27F5 OBDII code in a Nissan?

Repair tips may include checking and replacing the 3-way type valve, repairing any damaged wiring, verifying refrigerant levels, and resetting the control module.

6. Can I drive my Nissan with a B27F5 OBDII code?

It is generally not recommended to drive your Nissan with this code active, as it can lead to further damage to the air conditioning system.

7. How much does it cost to repair the B27F5 OBDII code in a Nissan?

The cost of repairs can vary depending on the exact cause of the code, but it may involve parts replacement and labor costs.

8. Can I reset the B27F5 OBDII code in my Nissan without repairs?

While you can clear the code with an OBDII scanner, it is important to address the underlying issue to prevent the code from reappearing.

9. Is the B27F5 OBDII code specific to Nissan vehicles?

Yes, the B27F5 code is specific to Nissan vehicles and relates to the Refrigerant Channel Switching 3 Way Type Valve in the air conditioning system.

10. How can I prevent the B27F5 OBDII code from recurring in my Nissan?

Regular maintenance of the air conditioning system, including checking refrigerant levels and addressing any issues promptly, can help prevent the code from reoccurring.

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