AutoCodes – Nissan – B27B7 Nissan

B27B7 Nissan Code - Electric Compressor Current Sensor

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the inverter is OFF, the detected current value in the inverter is the standard value or more. 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: B27B7 Nissan indicates Electric Compressor Current Sensor.
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 521

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 B27B7 Nissan Description

The Diagnostic Trouble Code (DTC) sets when the inverter is OFF, the detected current value in the inverter is the standard value or more.

OBDII Code B27B7 Nissan - Electric Compressor Current Sensor - AutoCodes.com — B27B7 Nissan Code - Electric Compressor Current Sensor

What does this mean?

What are the Possible Causes of the DTC B27B7 Nissan?

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

How to Fix the DTC B27B7 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 B27B7 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 B27B7 Nissan 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 B27B7 Nissan Code

1. What are common symptoms of OBDII code B27B7 in a Nissan related to the Electric Compressor Current Sensor?

Typical symptoms include issues with the air conditioning system, such as poor cooling performance or the AC not working at all.

2. What are the possible causes of OBDII code B27B7 in a Nissan Electric Compressor Current Sensor?

The code B27B7 may be triggered by a faulty electric compressor current sensor, electrical wiring issues, or a malfunctioning compressor.

3. How can I diagnose the OBDII code B27B7 in my Nissan related to the Electric Compressor Current Sensor?

Diagnosis involves using an OBDII scanner to read the code, checking the electric compressor current sensor for proper operation, and inspecting the wiring for any damage or loose connections.

4. Can a DIY enthusiast repair the OBDII code B27B7 in a Nissan Electric Compressor Current Sensor?

While some simple checks like ensuring secure connections can be done by DIYers, repairing or replacing components like the electric compressor current sensor may require professional expertise.

5. Are there any quick tips to troubleshoot the OBDII code B27B7 in a Nissan related to the Electric Compressor Current Sensor?

Quick tips include verifying the air conditioning system's operation, checking for any visible wiring issues, and ensuring the compressor is functioning correctly.

6. What is the role of the Electric Compressor Current Sensor in a Nissan's air conditioning system?

The Electric Compressor Current Sensor monitors the current drawn by the compressor to ensure the proper functioning of the air conditioning system.

7. Can driving with the OBDII code B27B7 in a Nissan Electric Compressor Current Sensor cause further damage?

Continuing to drive with this code may lead to decreased cooling performance, potential compressor damage, and increased risk of other AC system issues.

8. How much does it typically cost to repair the OBDII code B27B7 in a Nissan related to the Electric Compressor Current Sensor?

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

9. Are there any recalls or technical service bulletins related to OBDII code B27B7 in Nissan vehicles with Electric Compressor Current Sensor issues?

It's recommended to check with Nissan dealerships or online resources for any relevant recalls or technical service bulletins related to this OBDII code and sensor problem.

10. How important is it to address the OBDII code B27B7 in a Nissan Electric Compressor Current Sensor promptly?

Addressing the code promptly is crucial to prevent further damage to the air conditioning system, ensure optimal cooling performance, and avoid potential safety risks associated with a malfunctioning AC system.