OBD-II code · Powertrain (generic)
P0A84 Hybrid Battery Pack Cooling Fan 2 Performance
Cooling fan 2 of the HV battery does not deliver expected performance under thermal load.
Is it safe to drive with P0A84?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyFan motor worn
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
- 1–5 h
- Emissions test
- Usually unaffected
- Parts involved
- Battery Cooling Fan 2, Fan Motor
Related codes
- P0A81Hybrid Battery Pack Cooling Fan 1 Performance
- P0A82Hybrid Battery Pack Cooling Fan 1 Circuit Low
- P0A83Hybrid Battery Pack Cooling Fan 1 Circuit High
- P0A85Hybrid/EV Battery Pack Cooling Fan 1 Control Circuit High
- P0A8614 Volt Power Module Current Sensor A Circuit
- P0A8714 Volt Power Module Current Sensor A Circuit Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.