P0481 Chevrolet Code - Cooling Fan Relay 2 Control Circuit Malfunction
Quick Answer
The P0481 code for Chevrolet vehicles indicates a malfunction in the Cooling Fan Relay 2 Control Circuit. Common causes include Faulty cooling fan relay, Wiring issues in the cooling fan relay circuit, Defective cooling fan motor. 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
- P0481 Chevrolet indicates Cooling Fan Relay 2 Control Circuit Malfunction.
- Common causes
- Common causes include Faulty cooling fan relay, Wiring issues in the cooling fan relay circuit, Defective cooling fan motor.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0481 Chevrolet Description
The P0481 code for Chevrolet vehicles indicates a malfunction in the Cooling Fan Relay 2 Control Circuit. This means that there is an issue with the control circuit that is responsible for operating the cooling fan relay, which plays a crucial role in regulating the engine temperature. The cooling fan relay is essential for ensuring that the engine does not overheat, as it helps to maintain the optimal operating temperature by controlling when the cooling fan should turn on and off.
Common Causes of P0481 Chevrolet
- Faulty cooling fan relay
- Wiring issues in the cooling fan relay circuit
- Defective cooling fan motor
- Corrosion or damage to electrical connectors
- Engine control module (ECM) failure
Symptoms of P0481 Chevrolet
- Engine overheating
- Air conditioning not cooling properly
- Check Engine Light illuminated
- Decreased fuel efficiency
- Engine running hotter than usual
How to Fix P0481 Chevrolet
- Begin by visually inspecting the cooling fan relay and associated wiring for any signs of damage or corrosion.
- Test the cooling fan relay using a multimeter to determine if it is functioning properly.
- Check the cooling fan motor for proper operation by applying power directly to it.
- Inspect the electrical connectors for any loose connections or damage.
- If necessary, replace the cooling fan relay, cooling fan motor, or any damaged wiring or connectors.
Cost to Fix P0481 Chevrolet
The cost of repairing a P0481 code for a Chevrolet vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the cost of parts for this repair can range from $50 to $200, while the labor cost can range from $100 to $300. Overall, the total repair cost is likely to be between $150 and $500. However, it is important to keep in mind that these are just rough estimates, and actual costs can vary based on factors such as location, vehicle make and model, and the repair shop's rates. It is advisable to obtain quotes from local auto repair shops for a more accurate cost estimate.
When is the Code Detected?
Need more information about the P0481 Chevrolet code?
Need more information on how to fix the P0481 Chevrolet code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0481 Chevrolet code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0481 Chevrolet Code
No Frequently Asked Questions about P0481 Chevrolet Code found.
Discuss the causes and fixes for P0481 Chevrolet OBDII Code
-
I need help my cooling fan is not coming on, it will come on if the ac is running. we have changed the thermos start switch tested the relay and the fuses, nothing any suggestions plz help on disability can not afford to take it to the mechanic
-
no codes engine light came on but took it to oreilly auto parts to have it tested nothing
-
Try swapping the relays. Also, make sure you bleed the cooling system. If there is air in the system the temperature sensor will not read the coolant temperature.
-
I have a 2003 chevy impala and the car keeps heating up and I had already change the thermostat twice
-
Do the radiator fans come ON when the engine is overheating? The P0481 code means that there is problem a with the coolant fan relay. I suggest starting by replacing the relays.
Click here to enlarge image -
I'm getting the same code P0481..the relays those square grey pieces rite?..and are those the ones in the lower or upper fuse box under the hood?
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.