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Engine-Codes – Generic – P1A82

P1A82 Code - Starter/Generator Control Module Coolant Level Sensor 2 High Voltage

Quick Answer

The diagnostic trouble code P1A82 indicates an issue with the Starter/Generator Control Module Coolant Level Sensor 2, specifically detecting high voltage. Common causes include Malfunctioning coolant level sensor, Wiring issues or corrosion, Coolant contamination affecting sensor readings. 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
P1A82 indicates Starter/Generator Control Module Coolant Level Sensor 2 High Voltage.
Common causes
Common causes include Malfunctioning coolant level sensor, Wiring issues or corrosion, Coolant contamination affecting sensor readings.
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 13, 2024
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Code P1A82 Description

The diagnostic trouble code P1A82 indicates an issue with the Starter/Generator Control Module Coolant Level Sensor 2, specifically detecting high voltage. This sensor is responsible for monitoring the coolant level in the system to prevent overheating and ensure proper engine performance. When the sensor detects high voltage, it means that the coolant level may be too high or there could be a malfunction in the sensor itself.

OBDII Code P1A82 - Starter/Generator Control Module Coolant Level Sensor 2 High Voltage
P1A82 Code - Starter/Generator Control Module Coolant Level Sensor 2 High Voltage

Common Causes of P1A82

  1. Malfunctioning coolant level sensor
  2. Wiring issues or corrosion
  3. Coolant contamination affecting sensor readings
  4. Faulty Starter/Generator Control Module
  5. Electrical issues within the system

Symptoms of P1A82

  1. Engine overheating
  2. Reduced power output
  3. Poor fuel economy
  4. Stalling or difficulty starting
  5. Illumination of the check engine light

How to Fix P1A82

  1. Begin by diagnosing the issue using a diagnostic scanner to confirm the P1A82 code and pinpoint the exact cause.
  2. Inspect the coolant level sensor 2 and its wiring for any damage or corrosion. Replace the sensor if necessary.
  3. Check the coolant for any signs of contamination and flush the system if needed.
  4. Test the Starter/Generator Control Module for proper function and replace if faulty.
  5. Clear the trouble code from the vehicle's computer and test drive to ensure the issue has been resolved.

Cost to Fix P1A82

The typical repair costs for addressing the P1A82 code can vary depending on the specific cause of the issue. In general, replacing a coolant level sensor can cost between $50 to $150, while diagnosing and repairing wiring or electrical issues may range from $100 to $300. If the Starter/Generator Control Module needs to be replaced, the cost can be higher, potentially ranging from $200 to $500. Labor costs at auto repair shops typically range from $80 to $150 per hour, so the total repair bill can add up quickly. It's advisable to consult with a professional mechanic to get an accurate estimate based on the specific circumstances of your vehicle.

What does this mean?

Tech Notes for P1A82

If the vehicle is on an extreme angle this code may set.

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Code P1A82 Information for Specific Makes

  • P1A82 Buick — Starter/Generator Control Module Coolant Level Sensor 2 High Voltage
  • P1A82 Cadillac — Starter/Generator Control Module Coolant Level Sensor 2 High Voltage
  • P1A82 Chevrolet — Starter/Generator Control Module Coolant Level Sensor 2 High Voltage
  • P1A82 GMC — Starter/Generator Control Module Coolant Level Sensor 2 High Voltage
  • P1A82 Saturn — Starter/Generator Control Module Coolant Level Sensor 2 High Voltage
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 P1A82 Code

1. What are common symptoms of OBDII code P1A82?

- Common symptoms include the Check Engine light coming on, decreased fuel efficiency, and issues with starting the vehicle.

2. What can cause OBDII code P1A82 to appear?

- This code is often triggered by a malfunction in the Starter/Generator Control Module Coolant Level Sensor 2, which may be caused by a faulty sensor, wiring issues, or low coolant levels.

3. How serious is OBDII code P1A82?

- While the severity can vary, it is important to address this code promptly as it can affect the proper functioning of the starter/generator control module and potentially lead to further damage if left unresolved.

4. Can I continue driving with OBDII code P1A82?

- It is not recommended to continue driving with this code present, as it can impact the performance and reliability of your vehicle. It is best to have the issue diagnosed and repaired as soon as possible.

5. How can I diagnose OBDII code P1A82?

- Diagnosing this code typically involves using an OBDII scanner to retrieve the specific code, followed by inspecting the Starter/Generator Control Module Coolant Level Sensor 2 and its related components for any visible issues.

6. What are some repair tips for OBDII code P1A82?

- Repairing this code may involve replacing the faulty Starter/Generator Control Module Coolant Level Sensor 2, checking and repairing any damaged wiring, and ensuring that coolant levels are at the proper level.

7. Can I reset OBDII code P1A82 on my own?

- While you can clear the code using an OBDII scanner, it is important to address the underlying issue causing the code to prevent it from reoccurring.

8. How much does it cost to repair OBDII code P1A82?

- The cost of repairing this code can vary depending on the cause of the issue, the extent of the repairs needed, and labor rates in your area. It is advisable to consult with a professional mechanic for an accurate estimate.

9. Are there any recalls related to OBDII code P1A82?

- It is recommended to check with the vehicle manufacturer or the National Highway Traffic Safety Administration (NHTSA) for any recalls related to this specific OBDII code to see if your vehicle is affected.

10. How can I prevent OBDII code P1A82 from reoccurring?

- To prevent this code from reoccurring, it is important to regularly maintain your vehicle, including checking coolant levels, inspecting sensors for any signs of damage, and addressing any issues promptly to avoid further complications.

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