P1A83 GMC Code - Starter/Generator Control Module Coolant Level Sensor 3 Low 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
- P1A83 GMC indicates Starter/Generator Control Module Coolant Level Sensor 3 Low 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 P1A83 GMC Description
What are the Possible Causes of the DTC P1A83 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 P1A83 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 P1A83 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 P1A83 GMC Code
1. What does the OBDII code P1A83 on a GMC vehicle mean?
P1A83 indicates a problem with the Starter/Generator Control Module Coolant Level Sensor 3, specifically detecting low voltage in the sensor's circuit.
2. What are the common symptoms of a P1A83 code on a GMC?
Symptoms may include an illuminated check engine light, reduced engine performance, overheating issues, or erratic operation of the starter/generator system.
3. What causes the P1A83 code to appear?
Common causes include a faulty coolant level sensor, damaged wiring or connectors, low coolant levels, or issues with the Starter/Generator Control Module.
4. Can driving with a P1A83 code damage my vehicle?
Yes, ignoring this code can lead to overheating or damage to the hybrid or starter/generator system, potentially causing more expensive repairs.
5. How do I diagnose a P1A83 code on my GMC?
Start by checking the coolant level, inspecting the sensor and its wiring for damage or corrosion, and using a multimeter to test the sensor’s circuit for proper voltage.
6. How do I fix the P1A83 code on my GMC?
Repairs may involve refilling coolant, replacing the coolant level sensor, repairing damaged wiring, or recalibrating the Starter/Generator Control Module.
7. Can low coolant levels alone trigger the P1A83 code?
Yes, if the coolant level is too low, the sensor might not function properly, causing the code to be set.
8. What tools are needed to troubleshoot the P1A83 code?
You may need an OBDII scanner, a multimeter, and basic tools to check wiring and connectors, as well as coolant refill equipment.
9. How much does it cost to fix a P1A83 code on a GMC?
Costs vary depending on the issue, but replacing a coolant level sensor typically costs $50-$200, while wiring repairs or module replacement can be more expensive.
10. Can I clear the P1A83 code without fixing the problem?
Clearing the code without addressing the issue is not recommended, as the problem will likely return and could worsen over time.
Discuss the causes and fixes for P1A83 GMC OBDII Code
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