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pol_hv002
Moderate
Polestar · Electric Cars
Battery Thermal Management Error
Quick Answer
Error code POL_HV002 on your Polestar Electric Cars means: Battery Thermal Management Error. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
PS2PS3PS4PS5PS6
Likely Causes
  1. Battery coolant pump malfunction reducing circulation flow through the pack
  2. Thermal management control valve stuck or incorrectly positioned
  3. Low coolant level insufficient to maintain pack temperature within operating range
  4. Coolant temperature sensor providing erratic or failed readings to the BMS
  5. Blocked coolant passages within the battery pack from debris or precipitate buildup
How to Fix It
1
Reduce power demand and allow the vehicle to enter thermal management mode
2
Pull over in a safe location and allow the system to cool for 20 to 30 minutes
3
Check the coolant reservoir level and inspect visible coolant lines for leaks
4
Restart the vehicle and monitor battery temperature via the Polestar Google-based display
5
Schedule Polestar service if the fault persists, as pump or valve replacement may be needed
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Battery thermal management coolant fluid
Coolant circulation pump assembly
Coolant control valve
Coolant temperature sensor
Related Error Codes
POL_HV001POL_HV003POL_CP001POL_CP002POL_DU001
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