# Service bulletin 37773.1.2

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.

- Type: Service bulletin
- NHTSA id: 11031105
- Published by NHTSA: 2026\-04\-07
- Manufacturer's number: 37773.1.2
- Manufacturer's date: 2026\-03\-19
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This is a TJ \- Text only no attachments \- If customer experiences an incorrect ambient temperature reading in DIM \(Driver Information Module\) or reduced A/C performance, follow the advice under Service. Please refer to the wiring diagram in VIDA to locate the relevant circuit for the ambient temperature sensor \(component 7/481\) at the passenger door mirror harness.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031105-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031105-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Vehicles listed

- 2019 to 2022 VOLVO S60
- 2022 to 2025 VOLVO S60MHEV
- 2019 to 2025 VOLVO S60PHEV
- 2019 VOLVO S90
- 2021 to 2022 VOLVO S90
- 2022 to 2025 VOLVO S90MHEV
- 2019 to 2025 VOLVO S90PHEV
- 2019 to 2021 VOLVO V60CC
- 2023 to 2025 VOLVO V60CCMHEV
- 2023 to 2025 VOLVO V60CCPHEV
- 2019 to 2021 VOLVO V90
- 2022 VOLVO V90
- 2019 to 2025 VOLVO XC60PHEV
- 2019 to 2022 VOLVO XC90
- 2023 to 2026 VOLVO XC90MHEV
- 2019 to 2025 VOLVO XC90PHEV

JSON: [/v1/bulletins/11031105](/v1/bulletins/11031105)

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