# Service campaign D10366.1.0

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 campaign
- NHTSA id: 11032665
- Published by NHTSA: 2026\-05\-14
- Manufacturer's number: D10366.1.0
- Manufacturer's date: 2026\-04\-03
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Quality Bulletin for a delivery action for the MY2026 EX90 GHCA

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032665-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032665-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2026 VOLVO EX90

## Other bulletins for the same vehicles and component

- [S10393](/bulletins/11037973.md), 2026-10-05, Service campaign: UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Volvo Cars has decided that all cars, concerned by this QB, shall be upgraded in accordance with this QB, at first workshop visit. To get the car OTA\-compatible again, a special Software Product needs to be downloaded and installed.
- [37478.1.2](/bulletins/11033737.md), 2026-06-08, Service bulletin: ELECTRICAL SYSTEM. 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.
- [TJ37279.4.0\-2025\-11\-06](/bulletins/11026737.md), 2025-12-22, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: In most cases the VCU does not need to be replaced. \*The script in VIDA for VCU reload is now working
- [37453](/bulletins/11021939.md), 2025-08-18, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: EX90 \- Software download issue to HUD. Do not perform a HUD Reload.
- [37279](/bulletins/11021919.md), 2025-08-18, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: VCU Replacement. VIDA script needs to be adapted before performing VCU Reload
- [37401](/bulletins/11020548.md), 2025-07-09, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: SPA2 VCU Prior Approval. Part number 36003871
- [37279](/bulletins/11020544.md), 2025-07-09, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: VCU Replacement. VIDA script needs to be adapted before performing VCU Reload
- [37279](/bulletins/11020457.md), 2025-07-08, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: VCU Replacement. VIDA script needs to be adapted before performing VCU Reload

JSON: [/v1/bulletins/11032665](/v1/bulletins/11032665)

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