AutoCodesMitsubishi – P0532 Mitsubishi

P0532 Mitsubishi Code - A/C Pressure Sensor Circuit Low

Quick Answer

The Powertrain Control Module (PCM) monitors the high side refrigerant pressure via a A/C refrigerant pressure sensor. Common causes include A/C system low or over charge with refrigerant, Faulty A/C refrigerant pressure sensor, Cooling fans in-operative. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P0532 Mitsubishi indicates A/C Pressure Sensor Circuit Low.
Common causes
Common causes include A/C system low or over charge with refrigerant, Faulty A/C refrigerant pressure sensor, Cooling fans in-operative.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
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Code Popularity 4,423
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0532 Mitsubishi Description

The Powertrain Control Module (PCM) monitors the high side refrigerant pressure via a A/C refrigerant pressure sensor. When the pressure is high the signal voltage is high. When the pressure is low the signal voltage is low. When pressure is high the PCM commands the cooling fans on. When pressure is too high or too low the PCM will not allow the A/C compressor clutch to engage.
OBDII Code P0532 Mitsubishi - A/C Pressure Sensor Circuit Low - AutoCodes.com
P0532 Mitsubishi Code - A/C Pressure Sensor Circuit Low

What are the Possible Causes of the DTC P0532 Mitsubishi?

  • A/C system low or over charge with refrigerant
  • Faulty A/C refrigerant pressure sensor
  • Cooling fans in-operative
  • A/C refrigerant pressure sensor circuit open or shorted
  • A/C refrigerant pressure sensor circuit poor electrical connection

How to Fix the DTC P0532 Mitsubishi?

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 P0532 Mitsubishi 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.

Need more information about the P0532 Mitsubishi code?

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Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0532 Mitsubishi Code

1. What does the OBDII code P0532 mean for a Mitsubishi?

P0532 indicates a low voltage signal from the A/C pressure sensor circuit, which monitors the refrigerant pressure in the air conditioning system.

2. What are the common symptoms of a P0532 code in a Mitsubishi?

Symptoms may include the air conditioning not working, the A/C compressor not engaging, or the check engine light being illuminated.

3. What causes the P0532 code to appear?

Common causes include a faulty A/C pressure sensor, damaged wiring or connectors, low refrigerant levels, or issues with the vehicle's PCM (Powertrain Control Module).

4. Can low refrigerant levels trigger the P0532 code?

Yes, low refrigerant levels can cause the A/C pressure sensor to send a low voltage signal, triggering the code.

5. How do you diagnose the P0532 code on a Mitsubishi?

Diagnosis typically involves checking the A/C pressure sensor, inspecting the wiring and connectors for damage or corrosion, and verifying refrigerant levels.

6. Can I drive my Mitsubishi with a P0532 code?

Yes, but your air conditioning system may not function properly. Driving with this code will not usually cause engine damage.

7. How do you fix the P0532 code on a Mitsubishi?

Repairs may include replacing the A/C pressure sensor, repairing damaged wiring or connectors, recharging the refrigerant, or reprogramming the PCM if necessary.

8. How much does it cost to fix the P0532 code in a Mitsubishi?

Costs vary depending on the issue but can range from $50 for a refrigerant recharge to $200–$400 for sensor replacement and labor.

9. Can I clear the P0532 code without fixing the problem?

Clearing the code without addressing the root cause will likely result in the code returning and continued issues with the A/C system.

10. Is the P0532 code related to other A/C system issues?

Yes, it could be related to other faults within the A/C system, such as a failing compressor, blocked refrigerant lines, or additional sensor issues.

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