Service bulletins for the 2020 Volvo XC40
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
178 on file from NHTSA, as of 2026-10-19.
About B1538 on the 2020 Volvo XC40: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: B1538 are shown. Show all
| TJ34567 1 1 2019 | 2019-09-16. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY. This is a Technical Journal: DTC SRS-B15381B High Voltage battery loop control. The resistance of the circuit can be monitored using the SRS parameter "High voltage battery power supply disconnect" |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.