Valve module, in particular solenoid valve for a brake system of a motor vehicle, method for the production of said type of valve module

A valve module, comprising:

• an essentially cylindrical valve basic body,
• a valve needle arranged axially displaceably in the valve basic body,
• a housing cap configured to close the valve basic body at one end, the housing cap including plastically deformed material, and
• at least one holding device configured to hold the housing cap on the valve basic body, the at least one holding device defining at least one depression on an outer surface area of the valve basic body,
• wherein the plastically deformed material of the housing cap is located within said at least one depression,
• wherein the depression is configured as a groove in the outer surface of the valve basic body, the groove being defined by groove walls that are recessed from the outer surface of the valve basic body, and
• wherein at least one recessed pocket is defined within the groove, the at least one recessed pocket being recessed from the groove walls defining the groove.