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Service bulletins for the 2020 Land Rover Defender

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.

554 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
SFCC_AUG2020_332020-09-08. Service bulletin. EQUIPMENT. A customer may report a tapping type noise from the A-Pillar area while driving at highway speeds.
SFCC_AUG2020_312020-09-08. Service bulletin. ENGINE AND ENGINE COOLING. There is a delay when accelerating.
SFCC_AUG2020_302020-09-08. Service bulletin. ELECTRICAL SYSTEM. The engine will shut off at a stop and restart immediately by using the start button.
SFCC_AUG2020_282020-09-08. Service bulletin. POWER TRAIN. Various customer complaints may arise due to usage of lower quality fuel.
SFCC_AUG2020_102020-09-08. Service bulletin. EQUIPMENT. Fix is required to remove risk of a "tapping" type of wind noise at the A post. The A post trim to be removed and felt tape applied to the trim mounting clips to increase clearance to the body.
BIG5AUG20_322020-09-08. Service bulletin. EQUIPMENT. Fix is required to remove risk of a "tapping" type of wind noise at the A post. The A post trim to be removed and felt tape applied to the trim mounting clips to increase clearance to the body.
SFCC Jul20_362020-08-07. Service bulletin. SERVICE BRAKES, AIR:DISC:PADS. Customers may report a thumping or judder type noise while braking.
SFCC Jul20_33-352020-08-07. Service bulletin. POWER TRAIN; EQUIPMENT:APPLIANCE:AIR CONDITIONER. A customer may report an abnormal noise (like a humming, buzzing, or grinding) when accelerating or decelerating.
SFCC Jul20_322020-08-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Customer will lose audio from radio regardless of source selected
SFCC Jul20_312020-08-07. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. Unable to install nav data from USB at PDI
SFCC Jul20_262020-08-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. 20B Software Delay until July 15th Software was delayed to include software fix for L551 APIX cable issue Audio popping noise iOS13 Bluetooth improvements Additional improvements
SSM749402020-08-07. Service bulletin. ELECTRICAL SYSTEM. Incontrol App not working, Telematics won't connect to the customer InControl account. TCU (Telematics Control Unit) not found during PDI and unable to proceed. Wifi not working during PDI
SSM749362020-08-07. Service bulletin. ELECTRICAL SYSTEM. Telematic Control Unit (TCU) may trigger a false theft alert to a customer.
SSM749142020-08-07. Service bulletin. ELECTRICAL SYSTEM. NFSM (Near Field Sensing Module) not communicating with Pathfinder
SSM74900ATT22020-08-07. Service bulletin. EQUIPMENT. During PDI retailers may highlight a draft copy of the owners literature found in vehicle (see example attachment)
SSM74900ATT12020-08-07. Service bulletin. EQUIPMENT. During PDI retailers may highlight a draft copy of the owners literature found in vehicle (see example attachment)
SSM749002020-08-07. Service bulletin. EQUIPMENT. During PDI retailers may highlight a draft copy of the owners literature found in vehicle (see example attachment)
SSM748962020-08-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SXM (Sirius XM Radio) audio and functionality is inoperative. Also impacting FM and AM Radio once in the error state. Other audio sources work as expected.
SSM74894ATT22020-08-07. Service bulletin. POWER TRAIN. Customers or retailers may report on Defender INGENIUM I6 3.0L Petrol engine versions an abnormal noise when accelerating or decelerating, the noise can be described as 'humming, buzzing or grinding.
SSM74894ATT12020-08-07. Service bulletin. POWER TRAIN. Customers or retailers may report on Defender INGENIUM I6 3.0L Petrol engine versions an abnormal noise when accelerating or decelerating, the noise can be described as 'humming, buzzing or grinding.
SSM748942020-08-07. Service bulletin. POWER TRAIN. Customers or retailers may report on Defender INGENIUM I6 3.0L Petrol engine versions an abnormal noise when accelerating or decelerating, the noise can be described as 'humming, buzzing or grinding.
SSM74892ATT2020-08-07. Service bulletin. STEERING. Customer reports of steering wheel mis-alignment.
SSM748922020-08-07. Service bulletin. STEERING. Customer reports of steering wheel mis-alignment.
SSM74891ATT32020-08-07. Service bulletin. EQUIPMENT. Retailers may report the EDT (Electrically Deployable Towing) harness (LR137796) may be supplied with a fixing which does not match the body and cannot be secured.
SSM74891ATT2a2020-08-07. Service bulletin. EQUIPMENT. Retailers may report the EDT (Electrically Deployable Towing) harness (LR137796) may be supplied with a fixing which does not match the body and cannot be secured.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.