AutoCodes – Generic – P1532

P1532 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 High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1532 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
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 14,989
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 29, 2019
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Code P1532 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 - A/C Evaporator Temperature Sensor Circuit Low Voltage - AutoCodes.com
P1532 Code - A/C Evaporator Temperature Sensor Circuit Low Voltage

What are the Possible Causes of the DTC P1532?

  • 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?

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 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 code?

Need more information on how to fix the P1532 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1532 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

  • P1532 Audi β€” Idle Control Lean Running Speed Below Specification
  • P1532 BMW β€” Camshaft Position Actuator 'B' Control Open Circuit Bank 2
  • P1532 Buick β€” A/C Evaporator Temperature Sensor Circuit Low Voltage
  • P1532 Cadillac β€” A/C Evaporator Temperature Sensor Circuit Low Voltage
  • P1532 Chevrolet β€” A/C Evaporator Temperature Sensor Circuit Low Voltage
  • P1532 Ford β€” Intake Manifold Communication Control Circuit Bank 2
  • P1532 GMC β€” A/C Evaporator Temperature Sensor Circuit Low Voltage
  • P1532 Hyundai β€” Electronic Throttle Control System Malfunction Throttle Valve Stuck
  • P1532 Jaguar β€” Intake Manifold Communication Control Circuit Bank 2
  • P1532 Mazda β€” Intake Manifold Communication Control Circuit Bank 2
  • P1532 MINI β€” Camshaft Position Actuator 'B' Control Open Circuit Bank 2
  • P1532 Saab β€” Accelerator Pedal Position Sensor 1 & 2 Short Circuit
  • P1532 Volkswagen β€” Idle Control Lean Running Speed Below Specification
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 Code

1. What are the common symptoms of OBDII code P1532 (A/C Evaporator Temperature Sensor Circuit Low Voltage)?

Symptoms may include poor air conditioning performance, inconsistent cooling, or the A/C system not working at all.

2. What are some possible causes of OBDII code P1532?

Potential causes include a faulty A/C evaporator temperature sensor, damaged wiring or connectors in the sensor circuit, or issues with the A/C control module.

3. How can I diagnose OBDII code P1532?

Diagnosis typically involves using a scan tool to retrieve the trouble code, inspecting the A/C evaporator temperature sensor and its wiring, and testing the sensor for proper operation.

4. Can OBDII code P1532 be triggered by a bad A/C compressor?

While a malfunctioning A/C compressor may affect the overall performance of the A/C system, it is unlikely to directly cause code P1532. Focus on checking the evaporator temperature sensor and related components.

5. What are some repair tips for addressing OBDII code P1532?

Start by checking the sensor's wiring and connectors for any damage or corrosion. If no issues are found, consider replacing the A/C evaporator temperature sensor itself.

6. Is it safe to continue driving with OBDII code P1532 present?

It is generally not recommended to ignore this code, as it can lead to further A/C system problems and discomfort while driving in hot weather. Address the issue promptly to restore proper A/C functionality.

7. Can a DIY enthusiast fix OBDII code P1532 at home?

Depending on your skill level and access to tools, you may be able to diagnose and repair this code yourself. However, if you're unsure or uncomfortable working on the A/C system, it's best to seek professional assistance.

8. Will resetting the OBDII code P1532 clear the issue permanently?

Simply clearing the code without addressing the underlying problem will likely result in the code reappearing once the issue is detected again. It's important to diagnose and fix the root cause of the code.

9. How long does it typically take to repair OBDII code P1532?

The repair time can vary based on the exact cause of the code and your level of experience. In general, diagnosing and fixing this issue can take anywhere from 1 to 3 hours.

10. Is it necessary to visit a dealership for OBDII code P1532 repairs?

While a dealership can certainly help diagnose and repair this code, many independent auto repair shops and experienced technicians can also effectively address the issue. Choose a reputable professional with experience in A/C system diagnostics and repairs.

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