AutoCodes – Infiniti – B27BF Infiniti

B27BF Infiniti Code - Electric Compressor Internal Circuit

Quick Answer

The Diagnostic Trouble Code (DTC) sets when HVIL open circuit is detected in the electric compressor system. Common causes include Faulty Electric Compressor, Electric Compressor harness is open or shorted, Electric Compressor 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: B27BF Infiniti indicates Electric Compressor Internal Circuit.
Common causes: Common causes include Faulty Electric Compressor, Electric Compressor harness is open or shorted, Electric Compressor 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 1,075

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 06, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B27BF Infiniti Description

The Diagnostic Trouble Code (DTC) sets when HVIL open circuit is detected in the electric compressor system.

OBDII Code B27BF Infiniti - Electric Compressor Internal Circuit - AutoCodes.com — B27BF Infiniti Code - Electric Compressor Internal Circuit

What does this mean?

What are the Possible Causes of the DTC B27BF Infiniti?

Faulty Electric Compressor
Electric Compressor harness is open or shorted
Electric Compressor circuit poor electrical connection

How to Fix the DTC B27BF 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 B27BF 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 B27BF Infiniti 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 B27BF Infiniti Code

1. What are the common symptoms of OBDII code B27BF in an Infiniti related to the Electric Compressor Internal Circuit?

- Common symptoms include the air conditioning system not working properly, lack of cold air from the vents, and unusual noises coming from the compressor.

2. What are the possible causes of OBDII code B27BF in an Infiniti?

- The code B27BF is often triggered by a malfunction in the electric compressor's internal circuit, which can be caused by wiring issues, a faulty compressor, or a problem with the electronic control unit (ECU).

3. How can I diagnose the Electric Compressor Internal Circuit issue related to OBDII code B27BF in my Infiniti?

- Diagnosis typically involves checking the wiring harness for any damage, testing the compressor for proper functionality, and using a diagnostic scanner to read the specific fault codes stored in the ECU.

4. Can I continue driving my Infiniti with OBDII code B27BF triggered?

- It is not recommended to drive your Infiniti with this code active, as it may lead to further damage to the air conditioning system or other components. It is best to address the issue promptly.

5. Are there any quick repair tips for fixing OBDII code B27BF in an Infiniti?

- Quick repair tips include checking and repairing any damaged wiring, ensuring the compressor is receiving proper power and ground connections, and resetting the ECU after making any repairs.

6. How much does it typically cost to repair OBDII code B27BF in an Infiniti?

- The cost of repair can vary depending on the specific cause of the issue. It may range from a few hundred dollars for wiring repairs to over a thousand dollars if the compressor needs to be replaced.

7. Can a DIY enthusiast fix OBDII code B27BF in an Infiniti?

- While some aspects of diagnosing and repairing this issue can be done by a DIY enthusiast with the right tools and knowledge, complex repairs involving the compressor or ECU may require professional assistance.

8. Will resetting the OBDII code B27BF clear the issue in my Infiniti?

- Resetting the code may temporarily clear the issue, but it is important to diagnose and address the root cause of the problem to prevent it from recurring.

9. Is OBDII code B27BF exclusive to certain Infiniti models?

- OBDII code B27BF related to the Electric Compressor Internal Circuit is specific to certain Infiniti models equipped with an electric compressor for the air conditioning system.

10. How can I prevent OBDII code B27BF from occurring in my Infiniti in the future?

- Regular maintenance of the air conditioning system, including checking the wiring and compressor components, can help prevent issues leading to OBDII code B27BF in the future.