Engine-CodesInfiniti – B27C6 Infiniti

B27C6 Infiniti Code - Compressor Discharge Refrigerant Temperature Sensor Low

Quick Answer

The B27C6 diagnostic trouble code for Infiniti vehicles refers to the Compressor Discharge Refrigerant Temperature Sensor Low. Common causes include Malfunctioning compressor discharge refrigerant temperature sensor, Wiring issues or electrical faults in the sensor circuit, Low refrigerant levels in the air conditioning system. 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
B27C6 Infiniti indicates Compressor Discharge Refrigerant Temperature Sensor Low.
Common causes
Common causes include Malfunctioning compressor discharge refrigerant temperature sensor, Wiring issues or electrical faults in the sensor circuit, Low refrigerant levels in the air conditioning system.
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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code B27C6 Infiniti Description

The B27C6 diagnostic trouble code for Infiniti vehicles refers to the Compressor Discharge Refrigerant Temperature Sensor Low. This code indicates that the sensor responsible for monitoring the temperature of the refrigerant as it leaves the compressor is detecting a lower temperature than expected. This can lead to issues with the vehicle's air conditioning system, affecting its overall performance and efficiency.

OBDII Code B27C6 Infiniti - Compressor Discharge Refrigerant Temperature Sensor Low
B27C6 Infiniti Code - Compressor Discharge Refrigerant Temperature Sensor Low

Common Causes of B27C6 Infiniti

  1. Malfunctioning compressor discharge refrigerant temperature sensor
  2. Wiring issues or electrical faults in the sensor circuit
  3. Low refrigerant levels in the air conditioning system
  4. Faulty air conditioning compressor
  5. Issues with the air conditioning system's control module

Symptoms of B27C6 Infiniti

  1. Inconsistent cooling performance from the air conditioning system
  2. Frequent cycling on and off of the air conditioning compressor
  3. Lack of cold air coming from the air vents
  4. Unusual noises coming from the air conditioning system
  5. Illumination of the check engine light on the dashboard

How to Fix B27C6 Infiniti

  1. Begin by diagnosing the issue using a diagnostic scanner to retrieve the specific trouble code.
  2. Inspect the compressor discharge refrigerant temperature sensor and its wiring for any signs of damage or corrosion.
  3. Test the sensor's resistance and compare it to the manufacturer's specifications to determine if it is functioning correctly.
  4. If the sensor is faulty, replace it with a new one and ensure it is properly calibrated.
  5. Clear the trouble code from the vehicle's computer system and test the air conditioning system to verify that the issue has been resolved.

Cost to Fix B27C6 Infiniti

The estimated cost for repairing the Compressor Discharge Refrigerant Temperature Sensor Low code on an Infiniti vehicle can range from $150 to $300, depending on the specific components that need to be replaced and the labor rates in your area. Keep in mind that additional costs may be incurred if other issues are discovered during the diagnostic and repair process. It is recommended to consult with a certified mechanic or dealership for a more accurate estimate based on your vehicle's make and model. Labor rates typically range from $80 to $150 per hour, but can vary based on location and other factors.

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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 B27C6 Infiniti Code

1. What are the common symptoms of OBDII code B27C6 in an Infiniti related to the Compressor Discharge Refrigerant Temperature Sensor Low?

The common symptoms include poor air conditioning performance, fluctuating cooling levels, and potential compressor issues.

2. What causes the OBDII code B27C6 in an Infiniti, indicating a low Compressor Discharge Refrigerant Temperature Sensor reading?

The code is typically triggered by a faulty temperature sensor, wiring issues, or a malfunction within the air conditioning system.

3. How can I diagnose the reason behind the OBDII code B27C6 on my Infiniti?

To diagnose the issue, you can use an OBDII scanner to read the code, inspect the wiring and connections of the temperature sensor, and perform a thorough check of the air conditioning system components.

4. Can I continue driving my Infiniti with the OBDII code B27C6 related to the Compressor Discharge Refrigerant Temperature Sensor Low?

It is not recommended to drive your vehicle with this code unresolved, as it can lead to further damage to the air conditioning system and potentially cause overheating issues.

5. What are some potential repair tips for fixing the OBDII code B27C6 in an Infiniti?

Repair tips may include replacing the faulty temperature sensor, repairing any damaged wiring, ensuring proper refrigerant levels, and checking the overall health of the air conditioning system.

6. Is it possible to reset the OBDII code B27C6 in an Infiniti without fixing the underlying issue?

While you can clear the code temporarily, it will likely reappear until you address the root cause of the low Compressor Discharge Refrigerant Temperature Sensor reading.

7. How much does it typically cost to repair the OBDII code B27C6 in an Infiniti?

The repair costs can vary depending on the exact cause of the issue, but it may range from a simple sensor replacement to more extensive repairs involving the air conditioning system.

8. Can a DIY enthusiast fix the OBDII code B27C6 issue in an Infiniti, or is it recommended to seek professional help?

While some may be able to tackle simple repairs like sensor replacement, diagnosing and fixing complex air conditioning system issues may be best left to experienced professionals.

9. Are there any preventive measures to avoid triggering the OBDII code B27C6 in an Infiniti in the future?

Regular maintenance of the air conditioning system, checking refrigerant levels, and addressing any cooling system issues promptly can help prevent the recurrence of this code.

10. How urgent is it to address the OBDII code B27C6 in an Infiniti once it appears?

It is advisable to address the issue promptly to prevent further damage to the air conditioning system and ensure optimal performance of your vehicle's cooling system.

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