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P1A73 Saturn Code - 14 Volt Power Module Temperature Sensor 2 Circuit High Voltage

Quick Answer

The P1A73 diagnostic trouble code for Saturn vehicles indicates an issue with the 14 Volt Power Module Temperature Sensor 2 Circuit registering high voltage. Common causes include Faulty 14 Volt Power Module Temperature Sensor 2, Wiring or connector issues in the sensor circuit, Problems with the power module. 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
P1A73 Saturn indicates 14 Volt Power Module Temperature Sensor 2 Circuit High Voltage.
Common causes
Common causes include Faulty 14 Volt Power Module Temperature Sensor 2, Wiring or connector issues in the sensor circuit, Problems with the power module.
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 Aug 18, 2024
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Code P1A73 Saturn Description

The P1A73 diagnostic trouble code for Saturn vehicles indicates an issue with the 14 Volt Power Module Temperature Sensor 2 Circuit registering high voltage. This sensor is responsible for monitoring the temperature of the power module in the vehicle's electrical system. When the sensor detects a voltage reading that is higher than normal, it triggers the code to alert the driver of a potential problem.

OBDII Code P1A73 Saturn - 14 Volt Power Module Temperature Sensor 2 Circuit High Voltage
P1A73 Saturn Code - 14 Volt Power Module Temperature Sensor 2 Circuit High Voltage

Common Causes of P1A73 Saturn

  1. Faulty 14 Volt Power Module Temperature Sensor 2
  2. Wiring or connector issues in the sensor circuit
  3. Problems with the power module
  4. Electrical system malfunctions
  5. Corrosion or damage to sensor components

Symptoms of P1A73 Saturn

  1. Check Engine Light illuminated on the dashboard
  2. Reduced fuel efficiency
  3. Engine running rough or misfiring
  4. Difficulty starting the vehicle
  5. In some cases, the vehicle may go into a limp mode to protect the engine from further damage

How to Fix P1A73 Saturn

  1. Begin by diagnosing the issue with a scan tool to confirm the P1A73 code.
  2. Inspect the wiring and connectors in the sensor circuit for any damage or corrosion. Repair or replace as necessary.
  3. Test the 14 Volt Power Module Temperature Sensor 2 for proper operation. Replace if faulty.
  4. Clear the code from the vehicle's computer and test drive to ensure the issue has been resolved.
  5. If the problem persists, further diagnostics may be needed to identify any underlying electrical system issues.

Cost to Fix P1A73 Saturn

The cost to repair a P1A73 code on a Saturn vehicle can vary depending on the specific cause of the issue. On average, the parts for this repair may range from $50 to $200, while labor costs can range from $100 to $300. Overall, the total repair cost could fall between $150 and $500. It's important to note that labor rates at auto repair shops can vary, so it's advisable to check with local shops for more accurate pricing.

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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 P1A73 Saturn Code

1. What are the common symptoms of OBDII code P1A73 in a Saturn related to the 14 Volt Power Module Temperature Sensor 2 Circuit High Voltage?

- Common symptoms include the illumination of the Check Engine Light, reduced fuel efficiency, and potential drivability issues.

2. What are the possible causes of OBDII code P1A73 in a Saturn related to the 14 Volt Power Module Temperature Sensor 2 Circuit High Voltage?

- The code can be triggered by a faulty temperature sensor, wiring issues, problems with the power module, or a malfunction in the sensor circuit.

3. How can I diagnose OBDII code P1A73 in my Saturn related to the 14 Volt Power Module Temperature Sensor 2 Circuit High Voltage?

- Diagnosis typically involves using a scan tool to retrieve the trouble code, testing the temperature sensor and related circuits, and checking for any visible signs of damage or corrosion.

4. Can I continue driving my Saturn with OBDII code P1A73 related to the 14 Volt Power Module Temperature Sensor 2 Circuit High Voltage?

- It is generally not recommended to continue driving with this code present, as it can lead to further issues and potential damage to the vehicle's components.

5. How can I reset OBDII code P1A73 in my Saturn related to the 14 Volt Power Module Temperature Sensor 2 Circuit High Voltage?

- The code can be reset using a scan tool capable of clearing fault codes. However, it is important to address the underlying issue causing the code to prevent it from reoccurring.

6. Is it possible to repair OBDII code P1A73 in my Saturn related to the 14 Volt Power Module Temperature Sensor 2 Circuit High Voltage myself?

- While some DIY enthusiasts may attempt to diagnose and repair this code, it is recommended to seek professional help to ensure the issue is properly addressed and repaired.

7. How much does it cost to repair OBDII code P1A73 in a Saturn related to the 14 Volt Power Module Temperature Sensor 2 Circuit High Voltage?

- Repair costs can vary depending on the exact cause of the code, but it may involve replacing the temperature sensor, repairing wiring issues, or addressing problems with the power module.

8. Can a faulty 14 Volt Power Module Temperature Sensor 2 Circuit High Voltage cause other issues in my Saturn?

- Yes, a faulty sensor can potentially cause drivability issues, reduced fuel efficiency, and other electrical problems in the vehicle.

9. Are there any preventive maintenance tips to avoid OBDII code P1A73 related to the 14 Volt Power Module Temperature Sensor 2 Circuit High Voltage in my Saturn?

- Regularly inspecting and maintaining the electrical components in your Saturn can help prevent issues that may lead to this trouble code.

10. How long does it typically take to repair OBDII code P1A73 in a Saturn related to the 14 Volt Power Module Temperature Sensor 2 Circuit High Voltage?

- The repair time can vary depending on the exact cause of the code and the availability of parts, but it may range from a few hours to a day in some cases.

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