# Service bulletin 37304

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: 11020529
- Published by NHTSA: 2025\-07\-09
- Manufacturer's number: 37304
- Manufacturer's date: 2025\-05\-16
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

This is a Technical Journal: Charging Limited to 10A, EVI Release Wire Stuck. Inspect the EVI release wire in the cargo area

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020529-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020529-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2025 VOLVO EX90

## Recalls for the same vehicles and component

- [25V071000](/recalls/nhtsa/25V071000.md), 2025-02-07: ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES

## 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.
- [D10367.1.0](/bulletins/11032666.md), 2026-05-14, Service campaign: ELECTRICAL SYSTEM. Quality Bulletin for delivery action of the 2025 EX90 GHCA, D10367.
- [C10346.3.0](/bulletins/11029184.md), 2026-03-02, Other: ELECTRICAL SYSTEM. Courtesy Upgrade C10346 Vehicle Computational Unit \(VCU2\) Quality Bulletin for Model Year 2025 EX90 vehicles. This is for the upgrade of the VCU to the VCU version 2 and new software.
- [C10346.3.0](/bulletins/11029183.md), 2026-03-02, Other: ELECTRICAL SYSTEM. Courtesy Upgrade C10346 Vehicle Computational Unit \(VCU2\) Quality Bulletin for Model Year 2025 EX90 vehicles. This is for the upgrade of the VCU to the VCU version 2 and new software.
- [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
- [37275](/bulletins/11022806.md), 2025-09-05, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: EX90 GHCA Replacement: Prior Approval Needed. please create a "Prior Approval" vehicle report with "GHCA Prior Approval.
- [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.
- [37445](/bulletins/11021928.md), 2025-08-18, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: Various Issues Due to BMS. Verify that the correct battery monitoring sensor \(BMS\) is fitted to both 12V batteries. Check the visible part number of the fitted RBMS \(front\) and BMS \(rear\) and compare to VIDA listing.\&\#13; RBMS\(front\) 3 Electrical System\- 37 Cables and fuses\- 373 Cable system Front\-Battery cable Front\&\#13; BMS\(rear\) 3 Electrical System\- 37 Cables and fuses\- 373 Cable system Front\-Battery cable Rear\&\#13; Replace BMS if they do not match.\&\#13;
- [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

JSON: [/v1/bulletins/11020529](/v1/bulletins/11020529)

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