AutoCodes – Generic – B1232

B1232 Code - Short In The Evaporator Temperature Sensor Circuit

Quick Answer

The Climate Control Unit monitors the Evaporator Temperature Sensor. Common causes include Faulty Evaporator Temperature Sensor, Evaporator Temperature Sensor harness is open or shorted, 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
B1232 indicates Short In The Evaporator Temperature Sensor Circuit.
Common causes
Common causes include Faulty Evaporator Temperature Sensor, Evaporator Temperature Sensor harness is open or shorted, 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 22,277
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 19, 2024
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Code B1232 Description

The Climate Control Unit monitors the Evaporator Temperature Sensor. The Climate Control Unit sets the OBDII code when the Evaporator Temperature Sensor is not to factory specifications.
OBDII Code B1232 - Short In The Evaporator Temperature Sensor Circuit - AutoCodes.com
B1232 Code - Short In The Evaporator Temperature Sensor Circuit

What are the Possible Causes of the DTC B1232?

  • Faulty Evaporator Temperature Sensor
  • Evaporator Temperature Sensor harness is open or shorted
  • Evaporator Temperature Sensor circuit poor electrical connection
  • Faulty Climate Control Unit

How to Fix the DTC B1232?

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 B1232 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 B1232 code?

Need more information on how to fix the B1232 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1232 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

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 B1232 Code

1. What are the common symptoms of OBDII code B1232 (Short In The Evaporator Temperature Sensor Circuit)?

The common symptoms of this code may include issues with the air conditioning system such as inconsistent cooling or heating, erratic temperature readings, or the AC not working properly.

2. What causes the OBDII code B1232 to trigger (Short In The Evaporator Temperature Sensor Circuit)?

The code B1232 is typically triggered by a short circuit in the wiring or connector of the evaporator temperature sensor, or a malfunction in the sensor itself.

3. How can I diagnose the OBDII code B1232 (Short In The Evaporator Temperature Sensor Circuit)?

Diagnosing this code usually involves inspecting the wiring and connector of the evaporator temperature sensor for any visible damage or shorts, and testing the sensor's resistance with a multimeter to determine if it is functioning properly.

4. Can I drive my vehicle with the OBDII code B1232 (Short In The Evaporator Temperature Sensor Circuit) present?

It is recommended to address the issue causing the code as soon as possible to prevent further damage to the air conditioning system. Continuing to drive with this code may result in poor AC performance or potential system failure.

5. How do I repair the OBDII code B1232 (Short In The Evaporator Temperature Sensor Circuit)?

Repairing this code typically involves fixing any damaged wiring or connectors related to the evaporator temperature sensor, or replacing the sensor itself if it is faulty.

6. Is it possible to reset the OBDII code B1232 (Short In The Evaporator Temperature Sensor Circuit) without repairs?

Resetting the code without addressing the underlying issue is not recommended, as the code is likely to reappear once the problem persists. It's best to diagnose and fix the root cause of the code.

7. Are there any DIY tips for troubleshooting the OBDII code B1232 (Short In The Evaporator Temperature Sensor Circuit)?

You can start by visually inspecting the wiring and connector of the evaporator temperature sensor for any obvious damage or corrosion. Additionally, testing the sensor's resistance with a multimeter can help determine if it is functioning correctly.

8. How much does it typically cost to repair the OBDII code B1232 (Short In The Evaporator Temperature Sensor Circuit)?

The cost of repairing this code can vary depending on the extent of the damage and whether you choose to do the repairs yourself or take your vehicle to a professional. Costs may include parts and labor.

9. Can weather conditions affect the triggering of OBDII code B1232 (Short In The Evaporator Temperature Sensor Circuit)?

Extreme temperature changes or environmental factors like moisture can potentially impact the sensor's performance and lead to the triggering of this code. Ensuring proper insulation and protection of the sensor can help prevent such issues.

10. How long does it take to repair the OBDII code B1232 (Short In The Evaporator Temperature Sensor Circuit)?

The repair time for this code can vary depending on the extent of the issue and your experience with automotive repairs. It may take anywhere from a few hours to a day to diagnose and fix the problem.

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