This is a TJ
Volvo technical service bulletin 37478.1.2 for 2025-2026 Volvo EX90.
- Bulletin number
- 37478.1.2
- Component
- Electrical system
- Summary
- This is a TJ - Text plus 1 PDF - 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.
Owners of these vehicles have filed 44 complaints in the electrical category.
Vehicles covered
- Volvo EX90 2025-2026 20252026
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