AutoCodes – Infiniti – B27BC Infiniti

B27BC Infiniti Code - Electric Compressor Communication Error

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the electric compressor cannot receive the signal transmitted from the A/C Auto Amplifier. 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: B27BC Infiniti indicates Electric Compressor Communication Error.
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 401

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 B27BC Infiniti Description

The Diagnostic Trouble Code (DTC) sets when the electric compressor cannot receive the signal transmitted from the A/C Auto Amplifier.

OBDII Code B27BC Infiniti - Electric Compressor Communication Error - AutoCodes.com — B27BC Infiniti Code - Electric Compressor Communication Error

What does this mean?

What are the Possible Causes of the DTC B27BC Infiniti?

Faulty Electric Compressor
Electric Compressor harness is open or shorted
Electric Compressor circuit poor electrical connection
Faulty A/C Auto Amplifier
Faulty Power Delivery Module (PDM)

How to Fix the DTC B27BC 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 B27BC 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 B27BC Infiniti 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 B27BC Infiniti Code

1. What are the common symptoms of OBDII code B27BC (Infiniti) Electric Compressor Communication Error?

A: Common symptoms include the air conditioning system not cooling properly, unusual noises coming from the compressor, and warning lights on the dashboard.

2. What are the possible causes of OBDII code B27BC (Infiniti) Electric Compressor Communication Error?

A: Possible causes include a faulty electric compressor, wiring issues, poor electrical connections, or a malfunctioning compressor control module.

3. How can I diagnose the OBDII code B27BC (Infiniti Electric Compressor Communication Error?

A: Diagnosing the issue involves using a diagnostic scanner to retrieve the trouble code, inspecting the compressor and related components for damage, and testing the electrical connections for continuity.

4. Can I still drive my Infiniti with OBDII code B27BC Electric Compressor Communication Error?

A: It is not recommended to drive the vehicle with this error code as it may lead to further damage to the air conditioning system. It is best to address the issue promptly.

5. How can I repair OBDII code B27BC (Infiniti) Electric Compressor Communication Error?

A: Repair options may include replacing the electric compressor, repairing or replacing damaged wiring, ensuring proper electrical connections, or reprogramming the compressor control module.

6. Will resetting the trouble code resolve OBDII code B27BC (Infiniti) Electric Compressor Communication Error?

A: Resetting the code may temporarily clear the warning light, but it will not fix the underlying issue causing the communication error between the electric compressor and control module.

7. Is OBDII code B27BC (Infiniti) Electric Compressor Communication Error a common problem in certain Infiniti models?

A: This error code may be more common in certain models that are equipped with electric compressors for the air conditioning system.

8. Can a DIY enthusiast fix OBDII code B27BC (Infiniti) Electric Compressor Communication Error?

A: While some basic troubleshooting steps can be performed by enthusiasts, diagnosing and repairing this error code may require specialized tools and expertise, so professional assistance is recommended.

9. How much does it typically cost to repair OBDII code B27BC (Infiniti) Electric Compressor Communication Error?

A: Repair costs can vary depending on the extent of the issue and the specific components that need to be replaced or repaired. It is advisable to obtain quotes from reputable repair shops.

10. Are there any preventive maintenance tips to avoid OBDII code B27BC (Infiniti) Electric Compressor Communication Error?

A: Regularly servicing the air conditioning system, checking for any unusual noises or performance issues, and addressing any electrical issues promptly can help prevent this error code from occurring.