Error Code P0532: What It Means & What To Do?

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The fault code P0532 can be identified as A/C Refrigerant Pressure Sensor A Circuit Low. This trouble code would indicate that the input voltage for the A/C refrigerant pressure sensor circuit is too low.

The powertrain control module would detect this issue if the voltage for the A/C refrigerant pressure sensor is too low. It would then store the P0532 trouble code and due to this the check engine light would start illuminating.

What causes this problem with the A/C Refrigerant Pressure Sensor A Circuit Low?

• There can be low or incorrect refrigerant pressures/refrigerant level
• Wires might have some flaws
• Some quirks in the A/C refrigerant pressure sensor
• A/C refrigerant pressure sensor might start leaking
• Faults in the connector
• There can be some electronic climate control or body control module issues
• Bad connections

1. Fuel Temperature Sensor - Do you remember when was the last time you got your car Fuel Temperature Sensor checked up? A faulty Fuel Temperature Sensor can cause a lot of issues like displaying P0532 code.
2. Air Fuel Ratio Sensor - Are there some faults in your Air Fuel Ratio Sensor? Don’t waste time and get them replaced or else P0532 code can turn up.
3. Manifold Absolute Pressure Sensor - OBD Code P0532 can appear because of faulty Manifold Absolute Pressure Sensor.
4. EGR Valve Gasket - Everything is fine with Air Fuel Ratio Sensor and still P0532 code triggering? Then you must get your EGR Valve Gasket checked.
5. Crankshaft Position Sensor - There can be some issues with the Crankshaft Position Sensor due to which you may see P0532 code appearing over and over again. Visit us to buy best quality Crankshaft Position Sensor online.
6. Oxygen Sensor - A lot of issues can arise due to defective Oxygen Sensor. Did you just see P0532 code flashing? Now you know the reason why it is appearing. Get it inspected and replaced on time.
7. Coolant Temperature Sensor - Faulty Coolant Temperature Sensor can be the reason why P0532 code is flashing. Visit us to purchase top notch Coolant Temperature Sensor online.

Our main motive is to achieve customer satisfaction and that’s why we will help you to diagnose P0532 code by mentioning some major symptoms below:

Common Symptoms

• A/C compressor might not be engaging when needed
• HVAC system not operating properly
• The temperatures coming from fan air might be inaccurate
• There can be limited HVAC use
• Fan air temperature might be erratic or fluctuating
  

If you wish to correct this fault code, then you have to follow certain steps. Correcting a problem needs your careful attention. Here are some ways with the help of which you will be able to correct the OBD Code P0532:

• Inspect the refrigerant and you should add it only if it is required
• The faulty cooling fans should be checked and repair or replace if needed
• Restore a defective A/C refrigerant pressure sensor
• Check the wiring for open, shorted, and corroded wires and replace as per the requirement

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Research the technical service bulletins for the specific vehicle by year, model and transmission before you begin the troubleshooting process for any malfunction. Here are some steps which you should follow in order to diagnose this fault code:

• Depending on what tools/knowledge you have access to, you can easily verify the A/C refrigerant pressure sensors operation
• The 2 easy ways to do this is: 1. Depending on your OBD reader/scan tool abilities and limitations, you may be able to monitor refrigerant pressures and other desired values while system is operating to verify the sensor's functionality. 2. If you have an A/C manifold gauge set, you can monitor the pressures mechanically and compare pressures with your manufacturer's specific desired values
• Keep this in mind that if you have no experience with refrigerant, so it is recommended not to dive into pressure testing as refrigerant is a hazard to the environment so it’s not something to mess around with
• Test the A/C refrigerant pressure sensor. Most times this sensor is a 3-wire pressure transducer. That being said, testing it will involve testing between the pins and recording your findings
• The desired values of this test varies a meaningful amount between manufacturers, temperatures, type of sensor etc, so make sure your info is accurate
• Be sure that you are using the appropriate test pins along with your multimeter when testing pins/connectors. A damaged pin or connector could cause future intermittent hard- to-find electrical gremlins
• Check the wiring. Sometimes these sensors will be mounted on an A/C pressure line or close to a line connection so the harness will be routed accordingly
• Make sure the sensor looks good physically and the line is fastened properly

Common Mistakes When Diagnosing The P0532 Code

• Most of the times the technicians after seeing the P0532 as well as some other codes which are related to the air conditioning would simply jump to the conclusion that there is not enough refrigerant in the A/C system. They might add more, without even thinking that this is not the real reason why this code is appearing
• Keep this thing in mind that having too much refrigerant could actually cause catastrophic failure in the system