B1803 on the 2025 Volvo EX90
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| 37571.6.0 | 2026-07-14. Service bulletin. This is a TJ Text only no attachments - This TJ is a complement to the fault tracing in VIDA. If customer complains of intermittent DIM message in combination with DTC HCML/R - B180292/B180392, follow advice under "Service".Pay attention to which side of the car the DTC refers, both headlamps should not be replaced by default. |
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| 37571.5.0 | 2026-05-14. Service bulletin. This is a TJ Text only no attachments - This TJ is a complement to the fault tracing in VIDA. If customer complains of intermittent DIM message in combination with DTC HCML/R - B180292/B180392, follow advice under "Service".Pay attention to which side of the car the DTC refers, both headlamps should not be replaced by default. |
| 37571 | 2026-02-05. Service bulletin. This is a TJ Text only no attachments - If customer complains of intermittent DIM message in combination with DTC HCML/R - B180292/B180392, follow advice under "Service". |
| 37571 | 2026-01-07. Service bulletin. This is a TJ Text only no attachments - If customer complains of intermittent DIM message in combination with DTC HCML/R - B180292/B180392, follow advice under "Service". |
4 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.