P3205moderate severityPowertrain
HV Battery Cooling Fan Performance
on 2010 Toyota Highlander 3.3L V6 Hybrid · AWD
What this code means
The HV battery cooling fan is not operating at the commanded speed or is not providing adequate airflow for air-cooled battery systems.
Symptoms
- Battery temperature rising
- Fan noise abnormal
- Reduced power in hot conditions
- Battery temperature warning
- Climate control restricted
- Charge rate limited
Common causes
- Fan motor failure
- Fan control module fault
- Cabin air filter clogged (air-cooled systems)
- Fan duct obstruction
- Wiring issue to fan motor
Diagnostic steps
- Command fan at various speeds via scan tool
- Measure fan motor current draw
- Check cabin air filter (air-cooled systems)
- Inspect fan ducts for obstruction
- Test fan control module output
Repair notes
Replace fan motor or control module. For air-cooled systems, replace cabin air filter and ensure vents are unobstructed.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1