B27C9 Infiniti Code - Compressor Suction Refrigerant Temperature Sensor High
Quick Answer
The Diagnostic Trouble Code (DTC) sets when the compressor suction refrigerant temperature sensor recognition temperature is too high [more than 138.4°C (281.1°F)]. Common causes include Faulty Compressor Suction Refrigerant Temperature Sensor, Compressor Suction Refrigerant Temperature Sensor harness is open or shorted, Compressor Suction 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
- B27C9 Infiniti indicates Compressor Suction Refrigerant Temperature Sensor High.
- Common causes
- Common causes include Faulty Compressor Suction Refrigerant Temperature Sensor, Compressor Suction Refrigerant Temperature Sensor harness is open or shorted, Compressor Suction 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.
Code B27C9 Infiniti Description
What are the Possible Causes of the DTC B27C9 Infiniti?
- Faulty Compressor Suction Refrigerant Temperature Sensor
- Compressor Suction Refrigerant Temperature Sensor harness is open or shorted
- Compressor Suction Refrigerant Temperature Sensor circuit poor electrical connection
- Faulty A/C Auto Amplifier
How to Fix the DTC B27C9 Infiniti?
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 B27C9 Infiniti 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.
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Frequently Asked Questions about B27C9 Infiniti Code
1. What are the common symptoms of OBDII code B27C9 in an Infiniti related to the Compressor Suction Refrigerant Temperature Sensor High?
- Common symptoms may include poor air conditioning performance, the AC compressor not engaging, or the AC system blowing warm air.
2. What are the possible causes of OBDII code B27C9 in an Infiniti related to the Compressor Suction Refrigerant Temperature Sensor High?
- Possible causes can include a faulty temperature sensor, wiring issues, or a problem with the AC compressor itself.
3. How can I diagnose the OBDII code B27C9 in an Infiniti related to the Compressor Suction Refrigerant Temperature Sensor High?
- Diagnosis typically involves using a scan tool to read the code, testing the sensor's resistance, and inspecting the sensor and its wiring for any visible damage.
4. Can I still drive my Infiniti with OBDII code B27C9 related to the Compressor Suction Refrigerant Temperature Sensor High?
- It is not recommended to drive the vehicle with this code, as it can lead to further damage to the AC system and may result in uncomfortable driving conditions.
5. Is it safe to reset the OBDII code B27C9 related to the Compressor Suction Refrigerant Temperature Sensor High in my Infiniti?
- While you can reset the code temporarily, it is important to diagnose and repair the underlying issue causing the code to prevent further problems with the AC system.
6. What are some repair tips for fixing OBDII code B27C9 related to the Compressor Suction Refrigerant Temperature Sensor High in an Infiniti?
- Repair tips may include replacing the faulty sensor, repairing any damaged wiring, ensuring proper refrigerant levels, and checking the AC compressor for any issues.
7. Can a DIY enthusiast fix OBDII code B27C9 related to the Compressor Suction Refrigerant Temperature Sensor High in an Infiniti?
- Depending on your skill level and access to tools, some DIY enthusiasts may be able to replace the sensor or perform basic diagnostic tests. However, complex repairs may require professional assistance.
8. How much does it typically cost to repair OBDII code B27C9 related to the Compressor Suction Refrigerant Temperature Sensor High in an Infiniti?
- The cost of repair can vary depending on the extent of the issue, parts needed, and labor rates. It is recommended to get a diagnostic from a mechanic for an accurate estimate.
9. Will fixing OBDII code B27C9 related to the Compressor Suction Refrigerant Temperature Sensor High improve my Infiniti's AC performance?
- Yes, resolving this code should help restore proper functioning of the AC system, leading to better cooling performance and overall comfort while driving.
10. How often does OBDII code B27C9 related to the Compressor Suction Refrigerant Temperature Sensor High occur in Infiniti vehicles?
- While not extremely common, this code can occur in Infiniti vehicles due to sensor failures, wiring issues, or problems with the AC components.
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