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Service bulletin SSM74193A

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 id10154048
Published by NHTSA2019-03-04
Manufacturer's numberSSM74193A
Manufacturer's date2019-01-31
NHTSA componentEXTERIOR LIGHTING:HEADLIGHTS

NHTSA's summary

A very low number of customers may express a concern on headlamps which are fitted with Halogen or HID bulbs. The headlamp lens appearance may show signs of micro cracking on vehicles between the following VIN ranges: FH554574 - HH706088 See figure 1 attached for examples of the failure.

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, Headlights

Vehicles listed
LAND ROVER DISCOVERY2016
LAND ROVER DISCOVERY2017, 2018, 2019
LAND ROVER DISCOVERY SPORT2015

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

Recalls for the same vehicles and component
21V1170002021-02-25. EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE; EXTERIOR LIGHTING:HEADLIGHTS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
SSM741932019-03-04. Service bulletin. A very low number of customers may express a concern on headlamps which are fitted with Halogen or HID bulbs. The headlamp lens appearance may show signs of micro cracking on vehicles between the following VIN ranges: FH554574 - HH706088 See figure 1 attached for examples of the failure.
SSM74193Attachme2019-02-19. Service bulletin. A very low number of customers may express a concern on headlamps which are fitted with Halogen or HID bulbs. The headlamp lens appearance may show signs of micro cracking. See figure 1 attached.
SSM741932019-02-19. Service bulletin. A very low number of customers may express a concern on headlamps which are fitted with Halogen or HID bulbs. The headlamp lens appearance may show signs of micro cracking. See figure 1 attached.
SSM733322017-09-08. Service bulletin. Issue: Land Rover Discovery (L462) prior to the vin of LR008316, Customers or Retailers may report that the Headlamp Profile to the fender (Wing) or the Headlamp to Grille / Bumper profile is incorrect ? see attached file for examples
SSM733322017-08-25. Service bulletin. Issue: Land Rover Discovery (L462) prior to the vin of LR008316, Customers or Retailers may report that the Headlamp Profile to the fender (Wing) or the Headlamp to Grille / Bumper profile is incorrect ? see attached file for examples