Engine-Codes.com
Engine-Codes – Chevrolet – P1533 Chevrolet

P1533 Chevrolet Code - A/C Evaporator Temperature Sensor Circuit High Voltage

Quick Answer

The P1533 Chevrolet code indicates a problem with the A/C Evaporator Temperature Sensor Circuit, specifically detecting a high voltage. Common causes include Damaged wiring or connectors in the A/C Evaporator Temperature Sensor Circuit, Faulty A/C Evaporator Temperature Sensor, Issues with the air conditioning control module. 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
P1533 Chevrolet indicates A/C Evaporator Temperature Sensor Circuit High Voltage.
Common causes
Common causes include Damaged wiring or connectors in the A/C Evaporator Temperature Sensor Circuit, Faulty A/C Evaporator Temperature Sensor, Issues with the air conditioning control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1533 Chevrolet Description

The P1533 Chevrolet code indicates a problem with the A/C Evaporator Temperature Sensor Circuit, specifically detecting a high voltage. The A/C Evaporator Temperature Sensor is a crucial component of the vehicle's air conditioning system, responsible for monitoring the temperature of the evaporator to ensure optimal cooling performance. When the sensor detects a high voltage, it means that the temperature readings are outside the normal operating range, which can lead to issues with the air conditioning system.

OBDII Code P1533 Chevrolet - A/C Evaporator Temperature Sensor Circuit High Voltage
P1533 Chevrolet Code - A/C Evaporator Temperature Sensor Circuit High Voltage

Common Causes of P1533 Chevrolet

  1. Damaged wiring or connectors in the A/C Evaporator Temperature Sensor Circuit
  2. Faulty A/C Evaporator Temperature Sensor
  3. Issues with the air conditioning control module
  4. Electrical problems in the air conditioning system
  5. Environmental factors such as extreme heat affecting sensor readings

Symptoms of P1533 Chevrolet

  1. Inconsistent cooling performance in the vehicle
  2. Air conditioning system blowing warm air
  3. Unusual temperature fluctuations on the A/C controls
  4. Illumination of the check engine light
  5. Reduced fuel efficiency due to air conditioning system issues

How to Fix P1533 Chevrolet

  1. Begin by diagnosing the specific cause of the high voltage in the A/C Evaporator Temperature Sensor Circuit using a diagnostic scanner.
  2. Inspect the wiring and connectors in the sensor circuit for any signs of damage or corrosion, and repair or replace as necessary.
  3. Test the A/C Evaporator Temperature Sensor for proper function and replace if found to be faulty.
  4. Check the air conditioning control module for any malfunctions and address any issues identified.
  5. Clear the diagnostic trouble codes and test the air conditioning system to ensure proper operation.

Cost to Fix P1533 Chevrolet

The typical repair costs for addressing a P1533 Chevrolet code can range from $150 to $400, depending on the specific cause of the issue and the labor rates at the auto repair shop. Parts such as a new A/C Evaporator Temperature Sensor or wiring connectors may need to be purchased, contributing to the overall cost. It's important to note that diagnosis time and labor rates can vary, so it's advisable to consult with a professional mechanic for a more accurate estimate based on the specific vehicle make and model.

Need more information about the P1533 Chevrolet code?

Need more information on how to fix the P1533 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1533 Chevrolet 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 P1533 Chevrolet Code

No Frequently Asked Questions about P1533 Chevrolet Code found.

Discuss the causes and fixes for P1533 Chevrolet OBDII Code

Submit a New Comment

Code P1533 Chevrolet comments

No comments found for this page.