AutoCodes – Nissan – B27B5 Nissan

B27B5 Nissan Code - Electric Compressor Internal Circuit

Quick Answer

The Diagnostic Trouble Code (DTC) sets when overcurrent is detected in the inverter. 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: B27B5 Nissan 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 737

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 B27B5 Nissan Description

The Diagnostic Trouble Code (DTC) sets when overcurrent is detected in the inverter.

OBDII Code B27B5 Nissan - Electric Compressor Internal Circuit - AutoCodes.com — B27B5 Nissan Code - Electric Compressor Internal Circuit

What does this mean?

What are the Possible Causes of the DTC B27B5 Nissan?

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

How to Fix the DTC B27B5 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 B27B5 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 B27B5 Nissan code?

Need more information on how to fix the B27B5 Nissan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B27B5 Nissan 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 B27B5 Nissan Code

1. What are the common symptoms of OBDII code B27B5 in a Nissan related to the Electric Compressor Internal Circuit?

- Common symptoms include the air conditioning system not cooling properly, unusual noises coming from the compressor, and the AC system not engaging at all.

2. What are the possible causes of OBDII code B27B5 in a Nissan Electric Compressor Internal Circuit issue?

- The code B27B5 can be triggered by a faulty electric compressor, damaged wiring or connectors, low refrigerant levels, or issues with the AC control module.

3. How can I diagnose the OBDII code B27B5 in a Nissan Electric Compressor Internal Circuit problem?

- Diagnosis involves using a professional OBDII scanner to read the code, checking the compressor for proper operation, inspecting the wiring and connectors for damage, and ensuring the refrigerant levels are adequate.

4. What are some repair tips for resolving the OBDII code B27B5 in a Nissan Electric Compressor Internal Circuit issue?

- Repair tips include replacing a faulty electric compressor, repairing or replacing damaged wiring and connectors, recharging the refrigerant if levels are low, and resetting the AC control module.

5. Can I drive my Nissan with the OBDII code B27B5 related to the Electric Compressor Internal Circuit issue?

- It is not recommended to drive your Nissan with this code active, as it can lead to further damage to the AC system and potentially cause overheating in certain conditions.

6. How much does it typically cost to repair the OBDII code B27B5 Electric Compressor Internal Circuit issue in a Nissan?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from $200 to $800, including parts and labor.

7. Is it possible to reset the OBDII code B27B5 in a Nissan Electric Compressor Internal Circuit problem without repairs?

- While you can clear the code temporarily by using an OBDII scanner, it is crucial to address the underlying issue to prevent further damage to the AC system.

8. Are there any DIY fixes for the OBDII code B27B5 related to the Electric Compressor Internal Circuit in a Nissan?

- DIY fixes may include checking and securing wiring connections, inspecting the compressor for visible damage, and ensuring the refrigerant levels are adequate. However, complex repairs may require professional help.

9. How long does it take to repair the OBDII code B27B5 Nissan Electric Compressor Internal Circuit issue?

- The repair time can vary depending on the exact cause of the problem and the availability of parts. In general, it may take a few hours to a full day to diagnose and fix the issue.

10. Can the OBDII code B27B5 in a Nissan Electric Compressor Internal Circuit problem recur after repair?

- If the root cause of the issue is not properly addressed during the repair, the code B27B5 may reappear. It's essential to ensure all related components are thoroughly inspected and repaired to prevent recurrence.