P2CD4
A/C Refrigerant Pressure Sensor A/B Correlation
P2CD4 is an OBD-II diagnostic trouble code meaning: A/C Refrigerant Pressure Sensor A/B Correlation. Common causes: refrigerant pressure sensor a or b faulty, problems in the electrical circuit of the sensors. Estimated repair cost: $17–56.
Symptoms
- Air conditioner doesn't work
- Reduced cooling efficiency
- Hot air from vents
- Check Engine light comes on
- Possible increased load on the engine
Causes
- Refrigerant pressure sensor A or B faulty
- Problems in the electrical circuit of the sensors
- Refrigerant leak
- Air conditioning control unit malfunction
- Corroded or damaged connectors
How to Fix
- Check the refrigerant level in the system
- Conduct diagnostics of pressure sensors
- Check the integrity of electrical circuits
- Replace faulty sensor
- Test the operation of the system after repair
Related codes
Error P2CD4 by Vehicle Brand
FAQ
What does the P2CD4 code mean?
P2CD4 is an OBD-II diagnostic trouble code that indicates: A/C Refrigerant Pressure Sensor A/B Correlation
What causes a P2CD4 error code?
The most common causes of P2CD4 include: Refrigerant pressure sensor A or B faulty; Problems in the electrical circuit of the sensors; Refrigerant leak; Air conditioning control unit malfunction.
How do I fix a P2CD4 diagnostic trouble code?
To fix P2CD4: Check the refrigerant level in the system. Conduct diagnostics of pressure sensors. Check the integrity of electrical circuits. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2CD4?
Yes, but get it checked soon
How much does it cost to fix P2CD4?
The estimated repair cost for P2CD4 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat