AutoCodes – Nissan – B27B1 Nissan

B27B1 Nissan Code - Electric Compressor Low Voltage

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the high voltage system input voltage is less than 230 V. 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: B27B1 Nissan indicates Electric Compressor Low Voltage.
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 854

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 B27B1 Nissan Description

The Diagnostic Trouble Code (DTC) sets when the high voltage system input voltage is less than 230 V.

OBDII Code B27B1 Nissan - Electric Compressor Low Voltage - AutoCodes.com — B27B1 Nissan Code - Electric Compressor Low Voltage

What does this mean?

What are the Possible Causes of the DTC B27B1 Nissan?

Faulty Electric Compressor
Electric Compressor harness is open or shorted
Electric Compressor circuit poor electrical connection
Faulty Li-ion Battery
Faulty Power Delivery Module (PDM)

How to Fix the DTC B27B1 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 B27B1 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 B27B1 Nissan code?

Need more information on how to fix the B27B1 Nissan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B27B1 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 B27B1 Nissan Code

1. What are the common symptoms of OBDII code B27B1 Nissan Electric Compressor Low Voltage?

The common symptoms include weak or no cold air coming from the air conditioning system, the air conditioner not cooling effectively, and the air conditioning system not turning on.

2. What are the possible causes of OBDII code B27B1 Nissan Electric Compressor Low Voltage?

Possible causes may include a faulty electric compressor, low refrigerant levels, electrical issues in the compressor circuit, or a malfunctioning compressor control module.

3. How can I diagnose OBDII code B27B1 Nissan Electric Compressor Low Voltage?

Diagnosis typically involves using an OBDII scanner to retrieve the code, checking the refrigerant levels, inspecting the compressor and its electrical connections, and testing the compressor control module.

4. What should I check first when troubleshooting OBDII code B27B1 Nissan Electric Compressor Low Voltage?

Start by checking the refrigerant levels in the air conditioning system to ensure there is enough refrigerant for proper compressor operation.

5. Can I drive my vehicle with OBDII code B27B1 Nissan Electric Compressor Low Voltage?

It is not recommended to drive the vehicle with this code as it can lead to further damage to the air conditioning system components.

6. How can I repair OBDII code B27B1 Nissan Electric Compressor Low Voltage?

Repair options may include replacing the electric compressor, addressing any electrical issues in the compressor circuit, refilling refrigerant, or replacing the compressor control module.

7. Is it possible to reset OBDII code B27B1 Nissan Electric Compressor Low Voltage on my own?

You can reset the code using an OBDII scanner, but it is crucial to address the underlying issue causing the code to prevent it from reoccurring.

8. Will OBDII code B27B1 Nissan Electric Compressor Low Voltage affect the overall performance of my vehicle?

While this code specifically relates to the air conditioning system, ignoring it can lead to discomfort while driving in hot weather and potential damage to other related components.

9. How much does it typically cost to fix OBDII code B27B1 Nissan Electric Compressor Low Voltage?

The cost of repair can vary depending on the underlying issue, but it may range from a few hundred to over a thousand dollars, considering parts and labor.

10. Can a DIY enthusiast fix OBDII code B27B1 Nissan Electric Compressor Low Voltage at home?

While some troubleshooting steps can be performed by DIY enthusiasts, it is recommended to have a professional mechanic diagnose and repair complex issues related to the air conditioning system and electrical components.