AutoCodes – Chrysler – P0533 Chrysler

P0533 Chrysler Code - A/C Refrigerant Pressure Sensor Circuit High Input

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
P0533 Chrysler indicates A/C Refrigerant Pressure Sensor Circuit High Input.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 14,282
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 P0533 Chrysler 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 P0533 Chrysler - A/C Refrigerant Pressure Sensor Circuit High Input - AutoCodes.com
P0533 Chrysler Code - A/C Refrigerant Pressure Sensor Circuit High Input

What are the Possible Causes of the DTC P0533 Chrysler?

  • 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 P0533 Chrysler?

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 P0533 Chrysler 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 P0533 Chrysler code?

Need more information on how to fix the P0533 Chrysler code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0533 Chrysler code diagnosed by a professional: Find a repair shop in your area

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 P0533 Chrysler Code

1. What are the common symptoms of OBDII code P0533 in a Chrysler related to the A/C Refrigerant Pressure Sensor Circuit High Input?

- Common symptoms include the air conditioning system not cooling properly, the A/C compressor not engaging, and the A/C system shutting off unexpectedly.

2. What causes the OBDII code P0533 in a Chrysler indicating a high input in the A/C Refrigerant Pressure Sensor Circuit?

- The code P0533 is typically triggered by a malfunction in the A/C refrigerant pressure sensor, wiring issues, or a faulty sensor connection.

3. How can I diagnose the A/C Refrigerant Pressure Sensor Circuit High Input issue in my Chrysler when OBDII code P0533 is present?

- Diagnosis involves checking the wiring and connections related to the A/C refrigerant pressure sensor, testing the sensor itself for proper functioning, and verifying the A/C system pressure readings.

4. Is it safe to continue driving my Chrysler with the OBDII code P0533 related to the A/C Refrigerant Pressure Sensor Circuit High Input?

- It is not recommended to drive the vehicle with this issue as it can lead to further damage to the A/C system components and potentially cause overheating or other related problems.

5. How can I repair the A/C Refrigerant Pressure Sensor Circuit High Input issue in my Chrysler when OBDII code P0533 is detected?

- Repairing the issue involves replacing the faulty A/C refrigerant pressure sensor, repairing any damaged wiring or connections, and clearing the trouble codes to reset the system.

6. Can a DIY enthusiast fix the OBDII code P0533 related to the A/C Refrigerant Pressure Sensor Circuit High Input in a Chrysler?

- While some DIY enthusiasts may have the skills to replace the A/C refrigerant pressure sensor, it is recommended to consult with a professional mechanic for proper diagnosis and repair to ensure the issue is resolved correctly.

7. Are there any preventive measures to avoid encountering the OBDII code P0533 in a Chrysler due to the A/C Refrigerant Pressure Sensor Circuit High Input?

- Regular maintenance of the A/C system, checking for any signs of refrigerant leaks, and addressing any A/C system issues promptly can help prevent the occurrence of code P0533.

8. How long does it typically take to repair the A/C Refrigerant Pressure Sensor Circuit High Input issue causing OBDII code P0533 in a Chrysler?

- The repair time can vary depending on the extent of the issue, but it usually takes an hour or two to diagnose and replace the faulty sensor or repair the circuit.

9. Will resetting the OBDII system clear the code P0533 related to the A/C Refrigerant Pressure Sensor Circuit High Input in a Chrysler?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the high input in the A/C refrigerant pressure sensor circuit is not fixed, the code is likely to reappear.

10. What are the potential risks of ignoring the OBDII code P0533 indicating a high input in the A/C Refrigerant Pressure Sensor Circuit in a Chrysler?

- Ignoring the code can lead to poor A/C system performance, potential damage to other A/C components, and increased risk of system failure, resulting in discomfort while driving in hot conditions.

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