AutoCodes – Generic – B27C6

B27C6 Code - Compressor Discharge Refrigerant Temperature Sensor Low

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the compressor discharge refrigerant temperature sensor recognition temperature is too low [less than -6.9Â°C (19.6Â°F)]. Common causes include Faulty Compressor Discharge Refrigerant Temperature Sensor, Compressor Discharge Refrigerant Temperature Sensor harness is open or shorted, Compressor Discharge Refrigerant Temperature Sensor 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: B27C6 indicates Compressor Discharge Refrigerant Temperature Sensor Low.
Common causes: Common causes include Faulty Compressor Discharge Refrigerant Temperature Sensor, Compressor Discharge Refrigerant Temperature Sensor harness is open or shorted, Compressor Discharge Refrigerant Temperature Sensor 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 584

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 10, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B27C6 Description

The Diagnostic Trouble Code (DTC) sets when the compressor discharge refrigerant temperature sensor recognition temperature is too low [less than -6.9Â°C (19.6Â°F)].

OBDII Code B27C6 - Compressor Discharge Refrigerant Temperature Sensor Low - AutoCodes.com — B27C6 Code - Compressor Discharge Refrigerant Temperature Sensor Low

What does this mean?

What are the Possible Causes of the DTC B27C6?

Faulty Compressor Discharge Refrigerant Temperature Sensor
Compressor Discharge Refrigerant Temperature Sensor harness is open or shorted
Compressor Discharge Refrigerant Temperature Sensor circuit poor electrical connection
Faulty A/C Auto Amplifier

How to Fix the DTC B27C6?

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 B27C6 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 B27C6 code?

Need more information on how to fix the B27C6 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B27C6 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B27C6 Infiniti — Compressor Discharge Refrigerant Temperature Sensor Low
B27C6 Nissan — Compressor Discharge Refrigerant Temperature Sensor Low

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 Code

What does the OBDII code B27C6 mean?

The OBDII code B27C6 indicates that the Compressor Discharge Refrigerant Temperature Sensor is reading a low temperature, which may suggest an issue with the sensor or the air conditioning system.

What are the symptoms of a B27C6 code?

Common symptoms include poor air conditioning performance, unusual noises from the compressor, or the A/C system cycling on and off frequently.

What causes the B27C6 code to trigger?

The code can be triggered by a faulty refrigerant temperature sensor, low refrigerant levels, electrical issues such as damaged wiring or connectors, or a malfunctioning A/C compressor.

How can I diagnose a B27C6 code?

To diagnose the code, check the refrigerant levels, inspect the temperature sensor and its wiring for damage, and use a multimeter to test the sensor's resistance.

Can low refrigerant levels cause a B27C6 code?

Yes, low refrigerant levels can lead to incorrect readings from the temperature sensor, triggering the B27C6 code.

What are some common repair tips for the B27C6 code?

Repairs may include replacing a faulty refrigerant temperature sensor, fixing any wiring issues, recharging the A/C system with refrigerant, or replacing a malfunctioning compressor.

Is it safe to drive with a B27C6 code?

While it may be safe to drive, the A/C system may not function properly, and ignoring the issue could lead to further damage or more expensive repairs.

Should I reset the code after repairs?

Yes, after completing repairs, use an OBDII scanner to clear the code and monitor the system to ensure the issue is resolved.

How can I prevent the B27C6 code from occurring?

Regular maintenance of your vehicle's A/C system, including checking refrigerant levels and inspecting components, can help prevent this code from appearing.