AutoCodes – Infiniti – B27F1 Infiniti

B27F1 Infiniti 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: B27F1 Infiniti 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 517

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 Feb 10, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B27F1 Infiniti Description

OBDII Code B27F1 Infiniti - Refrigerant Channel Switching 2 Way Type Valve - AutoCodes.com — B27F1 Infiniti Code - Refrigerant Channel Switching 2 Way Type Valve

What does this mean?

What are the Possible Causes of the DTC B27F1 Infiniti?

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 B27F1 Infiniti?

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 B27F1 Infiniti 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 B27F1 Infiniti code?

Need more information on how to fix the B27F1 Infiniti code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B27F1 Infiniti 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 B27F1 Infiniti Code

1. What are the common symptoms of OBDII code B27F1 in an Infiniti related to the Refrigerant Channel Switching 2 Way Type Valve?

- Common symptoms include poor air conditioning performance, insufficient cooling, and possible issues with the HVAC system.

2. What could be the potential causes of OBDII code B27F1 in an Infiniti?

- The code B27F1 may be triggered by a malfunctioning Refrigerant Channel Switching 2 Way Type Valve, wiring issues, or a faulty HVAC control module.

3. How can I diagnose the cause of OBDII code B27F1 in my Infiniti?

- Diagnostic steps may include checking the valve for proper operation, inspecting the wiring for any damage, and using a scan tool to retrieve specific system data.

4. Is it safe to continue driving my Infiniti with OBDII code B27F1 present?

- It is not recommended to drive with this code active, as it can lead to further HVAC system issues and potentially affect the overall cooling performance of the vehicle.

5. Can I reset OBDII code B27F1 in my Infiniti without addressing the underlying issue?

- While you can clear the code temporarily, it is crucial to diagnose and repair the root cause to prevent the code from reappearing and ensure proper functionality of the HVAC system.

6. What are some repair tips for resolving OBDII code B27F1 in an Infiniti?

- Repair tips may include checking and repairing any damaged wiring, testing and replacing the faulty valve if necessary, and resetting the system after completing the repairs.

7. How much does it typically cost to fix OBDII code B27F1 related to the Refrigerant Channel Switching 2 Way Type Valve in an Infiniti?

- The cost of repair can vary depending on the exact cause of the issue, but it may involve expenses for parts replacement, diagnostic labor, and potentially recharging the refrigerant system.

8. Can a DIY enthusiast address OBDII code B27F1 in an Infiniti themselves?

- While some experienced DIYers may be able to diagnose and replace the faulty components, it is recommended to consult a professional mechanic for accurate diagnosis and proper repair of this code.

9. Are there any preventive measures to avoid encountering OBDII code B27F1 in an Infiniti?

- Regular maintenance of the HVAC system, including checking refrigerant levels and system components, can help prevent issues that may trigger this specific OBDII code.

10. How long does it typically take to repair OBDII code B27F1 related to the Refrigerant Channel Switching 2 Way Type Valve in an Infiniti?

- The repair time can vary based on the complexity of the issue and the availability of parts, but it may take a few hours to a day for a mechanic to diagnose and fix the problem.