OBD Guide
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B27C6

Compressor Discharge Refrigerant Temperature Sensor Low

B27C6 is an OBD-II diagnostic trouble code meaning: Compressor Discharge Refrigerant Temperature Sensor Low. Common causes: refrigerant temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Air conditioner doesn't work
  • Reduced cooling efficiency
  • The climate control indicator is flashing
  • Hot air from deflectors

Causes

  • Refrigerant temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Low refrigerant level in the system
  • Wiring Harness Problems
  • Air conditioning compressor malfunction

How to Fix

  1. Check the refrigerant level in the system
  2. Visually inspect the sensor and its connector
  3. Check resistance and power supply of the sensor
  4. Check the integrity of the wiring harness
  5. Replace temperature sensor if necessary

Related codes

B27C5B27C7B279A

FAQ

What does the B27C6 code mean?

B27C6 is an OBD-II diagnostic trouble code that indicates: Compressor Discharge Refrigerant Temperature Sensor Low

What causes a B27C6 error code?

The most common causes of B27C6 include: Refrigerant temperature sensor malfunction; Open or short circuit in the sensor circuit; Low refrigerant level in the system; Wiring Harness Problems.

How do I fix a B27C6 diagnostic trouble code?

To fix B27C6: Check the refrigerant level in the system. Visually inspect the sensor and its connector. Check resistance and power supply of the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B27C6?

Yes, but get it checked soon

How much does it cost to fix B27C6?

The estimated repair cost for B27C6 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat