OBD-II code · Powertrain (generic)
P0ACF Hybrid/EV Battery Pack Cooling Fan 3 Control Circuit/Open
The HV battery pack cooling fan 3 reports a control circuit/open condition. Battery thermal management is impaired.
Is it safe to drive with P0ACF?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyOpen in fan control wire
- PossibleOpen fan motor
- Less likelyPin pushed back out of connector body
Symptoms
- EV/hybrid system warning light on
- Reduced power output or limp mode
- Charging may fail or be slowed
- Reduced electric range
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Hv Battery Cooling Fan 3, Wiring Harness, Bms
Related codes
- P0ACCHybrid/EV Battery Temperature Sensor C Circuit Low
- P0ACDHybrid/EV Battery Temperature Sensor C Circuit High
- P0ACEHybrid/EV Battery Temperature Sensor C Circuit Intermittent/Erratic
- P0AD0Hybrid/EV Battery Pack Cooling Fan 3 Performance/Stuck Off
- P0AD1Hybrid/EV Battery Pack Cooling Fan 3 Stuck On
- P0AD2Hybrid/EV Battery Pack Cooling Fan 3 Control Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.