P0480 2015 Chevrolet Silverado Code - Cooling Fan Speed Output Circuit
Quick Answer
The engine cooling fan system is composed of 2 electric cooling fans, fan motors, and 2 control modules. Common causes include Faulty Cooling Fan Control Module, Cooling Fan Control Module harness is open or shorted, Cooling Fan Control Module 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
- P0480 2015 Chevrolet Silverado indicates Cooling Fan Speed Output Circuit.
- Common causes
- Common causes include Faulty Cooling Fan Control Module, Cooling Fan Control Module harness is open or shorted, Cooling Fan Control Module 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 P0480 2015 Chevrolet Silverado Description
The cooling fan speed is affected by many different conditions and the ECM will adjust the duty cycle from 0 - 100 percent based on cooling system requirements. The scan tool output control is only capable of operating the cooling fan increments, between 10 - 90 percent. 90 percent is considered high-speed fan. When multiple cooling fan speed requests are received, the ECM operates the fan at the highest speed requests.
The Diagnostic Trouble Code (DTC) will be set when the commanded state of the driver and the actual state of the control circuit do not match for greater than 5 s.
What are the Possible Causes of the DTC P0480 2015 Chevrolet Silverado?
- Faulty Cooling Fan Control Module
- Cooling Fan Control Module harness is open or shorted
- Cooling Fan Control Module circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0480 2015 Chevrolet Silverado?
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 P0480 2015 Chevrolet Silverado 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 P0480 2015 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P0480 on a 2015 Chevrolet Silverado?
- Common symptoms include the cooling fan staying on constantly, the cooling fan not turning on at all, and potential overheating of the engine.
2. What does the OBDII code P0480 indicate in a 2015 Chevrolet Silverado?
- OBDII code P0480 in a 2015 Chevrolet Silverado indicates a problem with the cooling fan speed output circuit.
3. What are the possible causes of OBDII code P0480 on a 2015 Chevrolet Silverado?
- Possible causes include a faulty cooling fan motor, a defective cooling fan relay, a damaged wiring harness, or a malfunctioning engine control module (ECM).
4. How can I diagnose the issue causing OBDII code P0480 on my 2015 Chevrolet Silverado?
- Diagnose the issue by checking the cooling fan operation, testing the cooling fan motor, inspecting the wiring for any damage, and testing the cooling fan relay and ECM.
5. Can I continue driving my 2015 Chevrolet Silverado with OBDII code P0480?
- It is not recommended to drive the vehicle with OBDII code P0480 as it can lead to engine overheating and potential damage.
6. How can I repair OBDII code P0480 on my 2015 Chevrolet Silverado?
- Repair options include replacing the cooling fan motor, repairing or replacing the wiring harness, replacing the cooling fan relay, or reprogramming the ECM.
7. Will resetting the check engine light resolve OBDII code P0480 on a 2015 Chevrolet Silverado?
- Resetting the check engine light may temporarily clear the code, but it will likely return if the underlying issue causing P0480 is not addressed.
8. How much does it typically cost to repair OBDII code P0480 on a 2015 Chevrolet Silverado?
- Repair costs can vary depending on the specific cause of the issue, but it may range from $200 to $500 or more, including parts and labor.
9. Are there any preventive measures to avoid OBDII code P0480 on a 2015 Chevrolet Silverado?
- Regularly inspecting the cooling fan system, addressing any cooling system issues promptly, and performing routine maintenance can help prevent OBDII code P0480.
10. Can a DIY enthusiast with basic automotive knowledge fix OBDII code P0480 on a 2015 Chevrolet Silverado?
- Depending on the exact cause, a DIY enthusiast may be able to address issues like a faulty relay or damaged wiring, but more complex repairs may require professional assistance.
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