AutoCodes – Infiniti – B27C0 Infiniti

B27C0 Infiniti Code - Electric Compressor Communication Error

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the A/C Auto Amplifier cannot receive the signal transmitted from the electric compressor. 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
B27C0 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 614
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 B27C0 Infiniti Description

The Diagnostic Trouble Code (DTC) sets when the A/C Auto Amplifier cannot receive the signal transmitted from the electric compressor.
OBDII Code B27C0 Infiniti - Electric Compressor Communication Error - AutoCodes.com
B27C0 Infiniti Code - Electric Compressor Communication Error

What are the Possible Causes of the DTC B27C0 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 B27C0 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 B27C0 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 B27C0 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 B27C0 Infiniti Code

1. What are the common symptoms of OBDII code B27C0 in an Infiniti related to Electric Compressor Communication Error?

- Common symptoms may include loss of air conditioning functionality, unusual compressor noises, and dashboard warning lights related to the AC system.

2. What are the possible causes of OBDII code B27C0 in an Infiniti Electric Compressor Communication Error?

- Possible causes include faulty electric compressor, wiring issues, communication errors between components, or a malfunctioning control module.

3. How can I diagnose the Electric Compressor Communication Error in my Infiniti with code B27C0?

- Diagnosis involves using a diagnostic scanner to retrieve the specific code, checking the wiring connections, and testing the electric compressor and related components for proper functionality.

4. Can a DIY enthusiast repair OBDII code B27C0 Electric Compressor Communication Error in an Infiniti?

- While basic troubleshooting like checking connections can be done by DIY enthusiasts, complex repairs involving component replacement or software updates might require professional assistance.

5. Is it safe to continue driving with OBDII code B27C0 related to Electric Compressor Communication Error in my Infiniti?

- It is not recommended to drive with this code unresolved, as it can lead to further damage to the AC system and affect overall vehicle performance.

6. How much does it typically cost to repair OBDII code B27C0 Electric Compressor Communication Error in an Infiniti?

- Repair costs can vary depending on the exact cause of the issue, but expect to budget for diagnostic fees, parts replacement, and labor costs which can range from a few hundred to over a thousand dollars.

7. Are there any preventive measures to avoid encountering OBDII code B27C0 Electric Compressor Communication Error in an Infiniti?

- Regular maintenance of the AC system, checking for unusual noises or performance issues, and addressing any warning lights promptly can help prevent this error code from occurring.

8. What are some common mistakes to avoid when trying to resolve OBDII code B27C0 in an Infiniti?

- Avoid ignoring the issue, attempting repairs without proper diagnosis, or using incorrect parts as these can lead to further damage and increased repair costs.

9. Can a low refrigerant level cause OBDII code B27C0 Electric Compressor Communication Error in an Infiniti?

- Yes, a low refrigerant level can potentially trigger communication errors and cause the electric compressor to malfunction, leading to the OBDII code B27C0.

10. How long does it typically take to repair OBDII code B27C0 Infiniti Electric Compressor Communication Error?

- Repair times can vary based on the complexity of the issue and availability of parts, but expect the repair to take a few hours to a full day at a reputable repair facility.

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