P1A84 GMC Code - Starter/Generator Control Module Coolant Level Sensor 3 High Voltage
Quick Answer
The Starter/Generator Control Module (SGCM) electronics are immersed in an internal fluid to distribute the heat of the electronics evenly through the SGCM, this electronics internal fluid is not the coolant that is circulated through the SGCM cooling system. Common causes include Faulty Starter/Generator Control Module (SGCM), Starter/Generator Control Module (SGCM) harness is open or shorted, Starter/Generator Control Module (SGCM) 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
- P1A84 GMC indicates Starter/Generator Control Module Coolant Level Sensor 3 High Voltage.
- Common causes
- Common causes include Faulty Starter/Generator Control Module (SGCM), Starter/Generator Control Module (SGCM) harness is open or shorted, Starter/Generator Control Module (SGCM) 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.
Code P1A84 GMC Description
What are the Possible Causes of the DTC P1A84 GMC?
- Faulty Starter/Generator Control Module (SGCM)
- Starter/Generator Control Module (SGCM) harness is open or shorted
- Starter/Generator Control Module (SGCM) circuit poor electrical connection
How to Fix the DTC P1A84 GMC?
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 P1A84 GMC 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.
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Frequently Asked Questions about P1A84 GMC Code
1. What are common symptoms of OBDII code P1A84 GMC?
The common symptoms of OBDII code P1A84 GMC include the check engine light illuminating, reduced engine power, and potential issues with starting the vehicle.
2. What could cause the OBDII code P1A84 GMC to trigger?
The OBDII code P1A84 GMC, indicating Starter/Generator Control Module Coolant Level Sensor 3 High Voltage, may be triggered due to a faulty coolant level sensor, wiring issues, or problems with the control module.
3. How can I diagnose the OBDII code P1A84 GMC at home?
You can diagnose the OBDII code P1A84 GMC by using an OBDII scanner to read the code, inspecting the coolant level sensor and its wiring for any visible damage, and checking the control module for proper functioning.
4. What are the potential risks of ignoring the OBDII code P1A84 GMC?
Ignoring the OBDII code P1A84 GMC can lead to further damage to the starter/generator control module, potential overheating issues, and reduced performance of the vehicle.
5. Can I continue driving my vehicle with the OBDII code P1A84 GMC present?
It is not recommended to continue driving your vehicle with the OBDII code P1A84 GMC present, as it can cause further damage and potentially leave you stranded due to starting issues.
6. How can I repair the OBDII code P1A84 GMC myself?
You can attempt to repair the OBDII code P1A84 GMC yourself by replacing the faulty coolant level sensor, checking and repairing any damaged wiring, and resetting the code with an OBDII scanner.
7. What is the typical cost to repair the OBDII code P1A84 GMC at a professional auto repair shop?
The cost to repair the OBDII code P1A84 GMC at a professional auto repair shop can vary depending on the extent of the issue, but it can range from $200 to $500 or more.
8. Are there any preventive measures I can take to avoid the OBDII code P1A84 GMC in the future?
To prevent the OBDII code P1A84 GMC from occurring in the future, you can regularly check your coolant levels, inspect the coolant level sensor for any signs of wear, and address any cooling system issues promptly.
9. Can a faulty coolant level sensor cause other problems in my vehicle?
Yes, a faulty coolant level sensor can cause other problems in your vehicle, such as overheating issues, incorrect temperature readings, and potential damage to the engine components.
10. Is it necessary to clear the OBDII code P1A84 GMC after performing the repairs?
Yes, it is important to clear the OBDII code P1A84 GMC after performing the necessary repairs to ensure that the issue has been resolved and the check engine light does not reappear.
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