C0800 2016 GMC Sierra Code - Control Module Power Circuit
Quick Answer
The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Common causes include Faulty Control Module Power, Control Module Power harness is open or shorted, Control Module Power 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
- C0800 2016 GMC Sierra indicates Control Module Power Circuit.
- Common causes
- Common causes include Faulty Control Module Power, Control Module Power harness is open or shorted, Control Module Power 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 C0800 2016 GMC Sierra Description
What are the Possible Causes of the DTC C0800 2016 GMC Sierra?
- Faulty Control Module Power
- Control Module Power harness is open or shorted
- Control Module Power circuit poor electrical connection
How to Fix the DTC C0800 2016 GMC Sierra?
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.
Code Tech Notes
- C0800:07 Control Module Power Circuit High Voltage
- C0800:0D Control Module Power Circuit High Resistance
- C0800:11 Control Module Power Circuit High Input
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C0800 2016 GMC Sierra 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 C0800 2016 GMC Sierra Code
1. What does the OBDII code C0800 mean on a 2016 GMC Sierra?
The C0800 code indicates an issue with the Control Module Power Circuit, meaning the control module is not receiving proper voltage or power.
2. What are common symptoms of the C0800 code on a 2016 GMC Sierra?
Symptoms may include warning lights on the dashboard, erratic vehicle behavior, or communication issues with other control modules.
3. What causes the C0800 code on a 2016 GMC Sierra?
Common causes include a weak or failing battery, faulty alternator, poor ground connections, damaged wiring, or a malfunctioning control module.
4. Can a weak battery trigger the C0800 code on my GMC Sierra?
Yes, a weak or discharged battery can cause voltage issues, leading to the C0800 code being set.
5. How do I diagnose the C0800 code on a 2016 GMC Sierra?
Start by checking the battery voltage and condition, inspect wiring and connectors for damage or corrosion, and test the alternator to ensure proper charging.
6. Can I drive my 2016 GMC Sierra with a C0800 code?
Driving with this code is not recommended, as it may indicate power supply issues that could affect the vehicle's control systems.
7. How do I fix the C0800 code on a 2016 GMC Sierra?
Repairs may include replacing a weak battery, fixing damaged wiring, cleaning or securing ground connections, or replacing a faulty control module.
8. Can a blown fuse cause the C0800 code on my GMC Sierra?
Yes, a blown fuse in the power circuit can interrupt voltage to the control module and trigger the C0800 code.
9. How much does it cost to fix the C0800 code on a 2016 GMC Sierra?
Repair costs vary, but diagnosing and fixing issues like a weak battery or damaged wiring typically costs between $100 and $300, while control module replacement can cost more.
10. Will clearing the C0800 code fix the problem on my GMC Sierra?
Clearing the code without addressing the underlying issue will not fix the problem, and the code is likely to return.
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