C0805 2016 GMC Sierra Code - Control Module Power 2 Circuit
Quick Answer
The C0805 diagnostic trouble code (DTC) for a 2016 GMC Sierra refers to an issue with the Control Module Power 2 Circuit. Common causes include Wiring issues, such as a short circuit or open circuit in the Control Module Power 2 Circuit, A faulty control module that is not receiving power properly, A blown fuse that is preventing power from reaching the control 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
- C0805 2016 GMC Sierra indicates Control Module Power 2 Circuit.
- Common causes
- Common causes include Wiring issues, such as a short circuit or open circuit in the Control Module Power 2 Circuit, A faulty control module that is not receiving power properly, A blown fuse that is preventing power from reaching the control 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.
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Code C0805 2016 GMC Sierra Description
The C0805 diagnostic trouble code (DTC) for a 2016 GMC Sierra refers to an issue with the Control Module Power 2 Circuit. This code indicates that there is a problem with the power supply to a specific control module in the vehicle. Control modules are electronic components that manage various systems in the vehicle, such as the engine, transmission, and emissions control. The Control Module Power 2 Circuit is responsible for providing power to a secondary control module, which could be related to systems like the airbag, anti-lock brakes, or climate control.
Common Causes of C0805 2016 GMC Sierra
- Wiring issues, such as a short circuit or open circuit in the Control Module Power 2 Circuit.
- A faulty control module that is not receiving power properly.
- A blown fuse that is preventing power from reaching the control module.
- Problems with the power supply, such as a weak battery or alternator.
Symptoms of C0805 2016 GMC Sierra
- Warning lights on the dashboard, such as the airbag or ABS light, may illuminate.
- Loss of functionality in systems controlled by the affected module, such as the airbag system or anti-lock brakes.
- Erratic behavior from the affected systems, such as the airbag deploying unexpectedly or the ABS activating when not needed.
- Difficulty starting the vehicle or issues with power windows, locks, or other electrical components.
How to Fix C0805 2016 GMC Sierra
- Begin by inspecting the wiring harness for any visible damage or loose connections. Repair or replace any damaged wiring as needed.
- Check the fuse related to the Control Module Power 2 Circuit and replace it if necessary.
- Test the power supply to ensure it is providing the correct voltage to the control module. Replace the battery or alternator if they are not functioning correctly.
- If the issue persists, replace the control module that is not receiving power properly.
- Clear the DTC and test the affected systems to ensure they are functioning correctly after the repair.
Cost to Fix C0805 2016 GMC Sierra
The cost of repairing the Control Module Power 2 Circuit can vary depending on the specific cause of the issue and the cost of parts and labor. On average, the repair for this type of problem can range from $200 to $500. However, it is essential to note that labor rates and part prices can vary significantly based on location, vehicle make and model, and the specific repair shop. It is advisable to obtain quotes from multiple repair shops to ensure you are getting a fair price for the repair.
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Frequently Asked Questions about C0805 2016 GMC Sierra Code
1. What does the OBDII code C0805 mean on a 2016 GMC Sierra?
C0805 indicates an issue with the "Control Module Power 2 Circuit," which refers to a problem with the voltage supply to a specific control module.
2. What are the common symptoms of the C0805 code in a 2016 GMC Sierra?
Common symptoms include warning lights on the dashboard, intermittent electrical issues, or malfunction of systems controlled by the affected module.
3. What causes the C0805 code to be triggered?
The code can be caused by a faulty wiring harness, loose or corroded connections, a malfunctioning control module, or a problem with the vehicle's power supply circuit.
4. Can a weak battery cause the C0805 code?
Yes, a weak or failing battery can lead to insufficient voltage supply, which may trigger the C0805 code.
5. How can I diagnose the C0805 code on my 2016 GMC Sierra?
Start by inspecting the related wiring and connectors for damage or corrosion, check the battery and alternator for proper voltage output, and use a scan tool to monitor the module's power supply.
6. Is it safe to drive a 2016 GMC Sierra with the C0805 code?
Driving with this code may be unsafe if it affects critical systems like ABS or stability control. It's best to address the issue promptly.
7. How do you fix the C0805 code on a 2016 GMC Sierra?
Repairs may include fixing damaged wiring, cleaning or tightening electrical connections, replacing the faulty control module, or ensuring the battery and alternator are functioning properly.
8. What tools are needed to troubleshoot the C0805 code?
You'll need a multimeter to test voltages, a scan tool to read live data and clear the code, and basic tools to inspect and repair wiring.
9. Can the C0805 code clear itself?
The code will not clear itself unless the underlying issue is resolved. After repairs, you may need to use a scan tool to clear the code.
10. How much does it cost to fix the C0805 code on a 2016 GMC Sierra?
Repair costs can range from $50 for minor wiring repairs to $500 or more if a control module replacement is required.
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