Service bulletins for the 2018 Volvo XC90
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.
579 on file from NHTSA, as of 2026-10-19.
About B156C on the 2018 Volvo XC90: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: B156C are shown. Show all
| TJ33285-3-0-2018 | 2019-04-22. Service bulletin. ELECTRICAL SYSTEM. This is a Technical Journal: DTC IHU-B156C8F sets incorrectly. For the cars in the header this DTC can be ignored as it doesn't affect any of the functions in the car. Do not perform any fault tracing or component replacement due to this DTC if there is no related customer symptom. |
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| TJ33285-3-0-2018 | 2019-04-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This is a Technical Journal: DTC IHU-B156C8F sets incorrectly. For the cars in the header this DTC can be ignored as it doesn't affect any of the functions in the car. Do not perform any fault tracing or component replacement due to this DTC if there is no related customer symptom. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.