AutoCodes – GMC – P1532 GMC

P1532 GMC Code - A/C Evaporator Temperature Sensor Circuit Low Voltage

Quick Answer

The Heating, Ventilation, and Air Conditioning (HVAC) Control Module monitors the evaporator temperature via the evaporator temperature sensor. Common causes include Faulty A/C Evaporator Temperature Sensor, A/C Evaporator Temperature Sensor harness is open or shorted, A/C Evaporator Temperature Sensor circuit poor electrical connection. 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: P1532 GMC indicates A/C Evaporator Temperature Sensor Circuit Low Voltage.
Common causes: Common causes include Faulty A/C Evaporator Temperature Sensor, A/C Evaporator Temperature Sensor harness is open or shorted, A/C Evaporator Temperature Sensor circuit poor electrical connection.
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 3,409

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 28, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1532 GMC Description

The Heating, Ventilation, and Air Conditioning (HVAC) Control Module monitors the evaporator temperature via the evaporator temperature sensor. When the air is cold, the sensor resistance and signal voltage are high. When the air is warm, the sensor resistance and signal are low.

OBDII Code P1532 GMC - A/C Evaporator Temperature Sensor Circuit Low Voltage - AutoCodes.com — P1532 GMC Code - A/C Evaporator Temperature Sensor Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P1532 GMC?

Faulty A/C Evaporator Temperature Sensor
A/C Evaporator Temperature Sensor harness is open or shorted
A/C Evaporator Temperature Sensor circuit poor electrical connection

How to Fix the DTC P1532 GMC?

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 P1532 GMC 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 P1532 GMC 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 P1532 GMC Code

No Frequently Asked Questions about P1532 GMC Code found.

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Lynda
Date: September 14, 2013 at 4:33 pm

My blazer starts fine in the morning, I drive to work shut it off. When I start it 2 hours later it almost stalls when I take off. Even of it sits 10 min. After the Initial start, it sputters and jerks when I take off. Any ideas?

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OBDIITech
Date: September 17, 2013 at 4:25 am

Unfortunately there are many thing that can cause that problem. What year is your Blazer? The P1532 code should not cause that problem. Are there any more codes?

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