P0481
PowertrainCooling Fanmoderate severityCooling Fan 2 Control Circuit
What P0481 Means
The PCM has detected a fault in the control circuit for cooling fan 2. A malfunction may reduce cooling capacity and cause overheating.
Symptoms
- Engine overheating
- Second cooling fan inoperative
- Reduced AC cooling
Common Causes
- Faulty cooling fan relay
- Damaged wiring or connector
- Failed cooling fan motor
- Faulty PCM
Diagnostic Steps
- Scan for stored codes
- Inspect fan 2 wiring and connectors
- Test fan 2 relay operation
- Check fan motor and PCM control
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Budget handheld~$40
ANCEL AD410 →
No-phone-needed handheld — reads, clears, live data, freeze frame.
✓ ANCEL official store
Serious DIY~$100
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
SHOP FAVORITEShop-grade tablet~$300
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
✓ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.
Community Confirmed Fixes
No confirmed fixes yet for this code. Be the first to contribute!
Submit a FixFound a Fix for P0481?
Help other technicians by sharing what worked on your vehicle.
Submit Your Fix