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Service bulletin SSM74093

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 id10149098
Published by NHTSA2018-11-26
Manufacturer's numberSSM74093
Manufacturer's date2018-09-19
NHTSA componentENGINE; FUEL SYSTEM, GASOLINE

NHTSA's summary

The customer reports reduced performance with P0191-85 observed in the PCM. This may or may not also illuminate the MIL. DTCs P168F-00, P2178-00, or P144C-00 may be stored also.

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

Engine, Fuel system

Trouble codes named

P0191, P144C, P168F, P2178

Vehicles listed
LAND ROVER DISCOVERY2016
LAND ROVER DISCOVERY2017, 2018
LAND ROVER DISCOVERY SPORT2015
LAND ROVER RANGE ROVER EVOQUE2012, 2013, 2014, 2015, 2016, 2017, 2018

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

Recalls for the same vehicles and component
18V3370002018-05-23. ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, GASOLINE
18V0870002018-02-01. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL

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
TUCC_FEB2026_222026-03-04. Other. GTDI BRAZED TURBOCHARGER CRACK EXTENDED WARRANTY
D085 - 02FEB262026-03-04. Service bulletin. GTDI Brazed Turbocharger Crack Extended Warranty
SSM76317ATT - 28APR252025-05-05. Other. Engine Will Crank, No Start When At Operating Temperature
SSM76317 - 28APR252025-05-05. Other. Engine Will Crank, No Start When At Operating Temperature
SSM761492024-11-07. Other. Fuel Pump Driver Module Inoperative
SFCC_MAR2024_272024-04-05. Service bulletin. A concern has been identified where on certain vehicles equipped with TDV6 3.0L Diesel and Ingenium I4 2.0L Diesel engines, when connected to a diagnostic scan tool during the California SMOG test, the Powertrain Control Module (PCM) incorrectly reports the monitor readiness status as 'not supported'.
BIG5MAR24_34b2024-04-05. Service bulletin. A concern has been identified where on certain vehicles equipped with TDV6 3.0L Diesel and Ingenium I4 2.0L Diesel engines, when connected to a diagnostic scan tool during the California SMOG test, the Powertrain Control Module (PCM) incorrectly reports the monitor readiness status as 'not supported'. A software update to the PCM is needed.
SFCC_FEB2024_352024-03-06. Service bulletin. After thermostat replacement, the instrument cluster says that the engine is overheating while driving.
NAS24.01.0012024-02-07. Service bulletin. Potential manufacturing issue with replacement thermostats
BIG5JAN24_272024-02-07. Service bulletin. POTENTIAL MANUFACTURING ISSUE WITH REPLACEMENT THERMOSTATS.