# Service bulletin 36559.2.1

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: 11034995
- Published by NHTSA: 2026\-07\-14
- Manufacturer's number: 36559.2.1
- Manufacturer's date: 2026\-06\-18
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This is a Technical Journal: Text only no attachments Do Not Connect Third\-Party Devices to the DLC/OBD2. Disconnect third party devices. If the ESC warning appears in the DIM and/or pure electric drive mode is disabled in combination with DTC BCM2\-U029600, follow the instructions under “Service". Third\-party devices can be connected: Directly to the DLC Via a Y\-splitter harness that is used as an extension of the regular DLC port while the regular DLC port itself may be unoccupied.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034995-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034995-9999.pdf)

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

## Trouble codes named

U0296

## Vehicles listed

- 2022 to 2026 VOLVO XC60PHEV
- 2022 to 2026 VOLVO XC90PHEV

JSON: [/v1/bulletins/11034995](/v1/bulletins/11034995)

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