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Service bulletin SFCC_SEP2021_36

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 id10202102
Published by NHTSA2021-10-06
Manufacturer's numberSFCC_SEP2021_36
Manufacturer's date2021-09-24
NHTSA componentPOWER TRAIN; ELECTRICAL SYSTEM:IGNITION:COIL:SPARK PLUGS; ENGINE

NHTSA's summary

Customer States engine runs rough with MIL illuminated.

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

Electrical system, Engine, Transmission and driveline, Ignition, Spark plugs

Vehicles listed
LAND ROVER DEFENDER2019
LAND ROVER DEFENDER2020, 2021, 2022
LAND ROVER DEFENDER PHEV2022 (the catalog's model; the bulletin names a series or trim of it)
LAND ROVER DISCOVERY2016
LAND ROVER DISCOVERY2017, 2018, 2019, 2020, 2021, 2022
LAND ROVER DISCOVERY SPORT2016, 2017, 2018, 2019, 2020, 2021, 2022
LAND ROVER RANGE ROVER2016, 2017, 2018, 2019, 2020, 2021, 2022
LAND ROVER RANGE ROVER EVOQUE2016, 2017, 2018, 2019, 2020, 2021, 2022
LAND ROVER RANGE ROVER SPORT2016, 2017, 2018, 2019, 2020, 2021, 2022
LAND ROVER RANGE ROVER VELAR2017 (the catalog's model; the bulletin names a series or trim of it)
LAND ROVER RANGE ROVER VELAR2018, 2019, 2020, 2021, 2022

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
SFCC_JUN2023_442023-07-10. Service bulletin. A customer may report that the red suspension warning light is illuminated on the instrument cluster.
SFCC_APR2023_272023-05-03. Service bulletin. Customer reports vehicle will not start with a Smart Key Deactivated message shown in the vehicle display
SFCC_OCT2022_412022-11-06. Service bulletin. A customer may report that the Approach Unlocking, Keyless Entry and unlocking with the smart key is inoperative.
SFCC_AUG2021_372021-09-03. Service bulletin. Customer States engine runs rough with MIL illuminated.
SFCC_AUG2020_292020-09-08. Service bulletin. The engine speed will jump up at idle. The engine will shut down at a stop and restart immediately when pressing the start button.
LTB01261NAS12018-12-17. Service bulletin. The Auto stop/start system may not function as expected.
SGI17-302017-08-31. Service bulletin. DESCRIPTION OF ISSUE: An issue has been identified on certain Land Rover vehicles within the listed Affected Vehicle Range which will not display the 'Service Required' message on the Instrument Cluster, when starting the engine by depressing the brake pedal and pressing the engine START/STOP button, if/when a vehicle has reached its service interval. The message will display when switching the ignition only 'ON' (engine OFF) by pressing the engine START/STOP button and NOT depressing the brake pedal.
SSM734022017-08-25. Service bulletin. Issue: A customer may report that the fuel level displays low when the quantity of fuel in the tank is higher or possibly full. The Diagnostic Trouble Codes (DTCs) B1A75-11 Fuel Sender 1 and B1A76-11 Fuel Sender 2 will be present in the Body Control Module (BCM) if the concern appears. If the vehicle ignition is switched off for a period of time up to 2 minutes and then back on again, the fuel gauge reading will return to normal.
SSM728442017-06-14. Service bulletin. ISSUE: VEHICLE WILL NOT START
SGI16-202017-06-09. Service bulletin. DESCRIPTION: A POTENTIAL ISSUE HAS BEEN IDENTIFIED ON A LIMITED NUMBER OF VEHICLES LISTED WITHIN THE AFFECTED VEHICLE RANGE WHERE THE PASSIVE ENTRY/PASSIVE UNLOCK AND KEYLESS START FEATURES MAY BE INOPERATIVE AND THE ENGINE WILL NOT START NORMALLY. WHEN THIS OCCURS, THE EMERGENCY KEY BLADE IS NEEDED TO UNLOCK THE DRIVER’S DOOR TO ENTER THE VEHICLE AND THE SMART KEY MUST THEN BE HELD NEXT TO THE IMMOBILIZER ANTENNA UNIT (IAU) AND THE ENGINE START/STOP SWITCH MUST BE PRESSED TO START THE ENGINE.