P151C
A/C Conditioning Low Side Refrigerant Pressure Sensor Not Plausible
P151C is an OBD-II diagnostic trouble code meaning: A/C Conditioning Low Side Refrigerant Pressure Sensor Not Plausible. Common causes: refrigerant pressure sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Air conditioner doesn't work
- Reduced cooling efficiency
- Air conditioner indicator flashes
- Increased fuel consumption
- Air conditioning compressor does not turn on
Causes
- Refrigerant pressure sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Refrigerant leak
- Air conditioning control unit malfunction
How to Fix
- Check the refrigerant level in the system
- Inspect the sensor wiring and connectors
- Check the functionality of the pressure sensor
- Replace sensor if necessary
- Check the operation of the system after repair
Related codes
FAQ
What does the P151C code mean?
P151C is an OBD-II diagnostic trouble code that indicates: A/C Conditioning Low Side Refrigerant Pressure Sensor Not Plausible
What causes a P151C error code?
The most common causes of P151C include: Refrigerant pressure sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Refrigerant leak.
How do I fix a P151C diagnostic trouble code?
To fix P151C: Check the refrigerant level in the system. Inspect the sensor wiring and connectors. Check the functionality of the pressure sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P151C?
Yes, but get it checked soon
How much does it cost to fix P151C?
The estimated repair cost for P151C is $17–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat