This is a Tech Journal
Polestar technical service bulletin 37515.1.0 for 2025-2026 Polestar 3.
- Bulletin number
- 37515.1.0
- Component
- Unknown or other
- Summary
- This is a Tech Journal - If a customer experiences an Electric System Limited message along with reduced performance, and there are temperature-related DTCs in the HLCM, the root cause may be restricted coolant flow to the HLCM. Please follow the advice under "Service" to test the HLCM cooling performance. HLCM (High to Low Voltage Converter Module)
Vehicles covered
- Polestar 3 2025-2026 20252026
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