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P1A72 Chevrolet Code - 14 Volt Power Module Temperature Sensor 2 Circuit Low Voltage

Quick Answer

The P1A72 code for Chevrolet vehicles refers to an issue with the 14 Volt Power Module Temperature Sensor 2 Circuit registering low voltage. Common causes include Faulty 14 Volt Power Module Temperature Sensor, Wiring issues or a short circuit in the sensor circuit, Corrosion or poor connection in the sensor circuit. 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
P1A72 Chevrolet indicates 14 Volt Power Module Temperature Sensor 2 Circuit Low Voltage.
Common causes
Common causes include Faulty 14 Volt Power Module Temperature Sensor, Wiring issues or a short circuit in the sensor circuit, Corrosion or poor connection in the sensor circuit.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P1A72 Chevrolet Description

The P1A72 code for Chevrolet vehicles refers to an issue with the 14 Volt Power Module Temperature Sensor 2 Circuit registering low voltage. This particular sensor is crucial for monitoring the temperature of the power module in the vehicle's electrical system. When the sensor detects low voltage, it indicates that there may be a problem with the power module's temperature regulation, which can lead to various issues within the vehicle's electrical system.

OBDII Code P1A72 Chevrolet - 14 Volt Power Module Temperature Sensor 2 Circuit Low Voltage
P1A72 Chevrolet Code - 14 Volt Power Module Temperature Sensor 2 Circuit Low Voltage

Common Causes of P1A72 Chevrolet

  1. Faulty 14 Volt Power Module Temperature Sensor
  2. Wiring issues or a short circuit in the sensor circuit
  3. Corrosion or poor connection in the sensor circuit
  4. Power module overheating due to a malfunctioning cooling system
  5. Electrical system malfunctions affecting sensor readings

Symptoms of P1A72 Chevrolet

  1. Check engine light illuminated
  2. Poor fuel efficiency
  3. Rough idling
  4. Stalling
  5. Difficulty starting

How to Fix P1A72 Chevrolet

  1. Diagnose the issue by using a diagnostic scanner to read the trouble code and pinpoint the exact cause.
  2. Inspect the 14 Volt Power Module Temperature Sensor and its wiring for any visible damage or corrosion.
  3. Test the sensor's resistance and voltage readings to determine if it is functioning correctly.
  4. Replace the faulty sensor if necessary, ensuring proper installation and connection.
  5. Clear the trouble code from the vehicle's computer system and test drive to confirm the issue has been resolved.

Cost to Fix P1A72 Chevrolet

The typical repair costs for addressing a P1A72 code on a Chevrolet vehicle can range from $150 to $300, including parts and labor. However, it is important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It is advisable to obtain quotes from local auto repair shops for a more accurate estimate.

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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 P1A72 Chevrolet Code

1. What are common symptoms of OBDII code P1A72 in a Chevrolet related to the 14 Volt Power Module Temperature Sensor 2 Circuit Low Voltage?

Typical symptoms may include poor fuel efficiency, reduced engine performance, and the illumination of the check engine light on the dashboard.

2. What could be causing the OBDII code P1A72 in a Chevrolet indicating 14 Volt Power Module Temperature Sensor 2 Circuit Low Voltage?

Possible causes may include a faulty temperature sensor, wiring issues, a malfunctioning power module, or issues with the vehicle's electrical system.

3. How can I diagnose the OBDII code P1A72 in a Chevrolet for the 14 Volt Power Module Temperature Sensor 2 Circuit Low Voltage?

Diagnosis typically involves using an OBDII scanner to retrieve the specific trouble code, inspecting the temperature sensor and related wiring, and testing the power module for proper functioning.

4. Is it safe to continue driving my Chevrolet with the OBDII code P1A72 for the 14 Volt Power Module Temperature Sensor 2 Circuit Low Voltage?

It is not recommended to drive your vehicle for an extended period with this code present, as it can lead to potential engine performance issues and further damage if left unaddressed.

5. What are some repair tips for fixing the OBDII code P1A72 in a Chevrolet related to the 14 Volt Power Module Temperature Sensor 2 Circuit Low Voltage?

Repair tips may include checking and replacing the temperature sensor, repairing any damaged wiring, ensuring proper connection to the power module, and resetting the fault code after repairs are completed.

6. Can a DIY enthusiast fix the OBDII code P1A72 in a Chevrolet indicating 14 Volt Power Module Temperature Sensor 2 Circuit Low Voltage?

While some DIY enthusiasts may be able to diagnose and repair this issue, it is recommended to consult a professional mechanic or dealership for accurate diagnosis and proper repair to ensure the problem is resolved correctly.

7. How much does it typically cost to repair the OBDII code P1A72 in a Chevrolet for the 14 Volt Power Module Temperature Sensor 2 Circuit Low Voltage?

Repair costs can vary depending on the exact cause of the issue, but they may range from around $100 to $300 for parts and labor, excluding any additional diagnostics or related repairs that may be needed.

8. Will resetting the OBDII code P1A72 in a Chevrolet related to the 14 Volt Power Module Temperature Sensor 2 Circuit Low Voltage make it go away permanently?

Simply resetting the code may clear the warning light temporarily, but if the underlying issue causing the fault code is not addressed and repaired, the code is likely to reappear once the vehicle is driven again.

9. How urgent is it to address the OBDII code P1A72 in a Chevrolet for the 14 Volt Power Module Temperature Sensor 2 Circuit Low Voltage?

It is advisable to address this issue promptly to prevent any potential damage to the vehicle's components and to ensure optimal engine performance and fuel efficiency.

10. Can extreme weather conditions affect the occurrence of the OBDII code P1A72 in a Chevrolet related to the 14 Volt Power Module Temperature Sensor 2 Circuit Low Voltage?

Extreme temperatures can potentially impact the performance of sensors and electrical components in the vehicle, so it's important to consider environmental factors when diagnosing and repairing this particular fault code.

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