WenmarOpen by Wenmar Pro

Service bulletin 37911.1.0

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11037304
Published by NHTSA2026-09-14
Manufacturer's number37911.1.0
Manufacturer's date2026-08-13
NHTSA componentEXTERIOR LIGHTING

NHTSA's summary

This is a TJ - Text only - no attachments - If any unit is not responding in the Network Topology before PDS upgrade, If the car is still on Factory Software, the VIDA diagnostic script "Disconnect main battery" to perform the low-voltage system power down will not work. It is required to install SP 80082324 under manual order to complete the low-voltage system power down. follow advice under Service.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Lighting

Vehicles listed
VOLVO EX602027

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
37897.1.02026-08-18. Service bulletin. This is a TJ - Text Plus 1 attachment - If DTC HCML/HCMR B199F56 and/or B19A356 are set after a software download, the headlamp parameter values may have been lost. Follow instruction under service.