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Service bulletins for the 2020 Land Rover Discovery

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.

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

By type

By component

By trouble code

Bulletins, newest first
SSM74553Attachme2019-10-15. Service bulletin. ELECTRICAL SYSTEM. Due to insufficient ground contact at G4D178 Battery earth stud, various fault codes may appear and symptoms related to voltage drop, high ground point resistance and power supply. Symptoms such as non or intermittent start or engine cut-out may be reported.
SSM745532019-10-15. Service bulletin. ELECTRICAL SYSTEM. Due to insufficient ground contact at G4D178 Battery earth stud, various fault codes may appear and symptoms related to voltage drop, high ground point resistance and power supply. Symptoms such as non or intermittent start or engine cut-out may be reported.
SSM74550Attachme2019-10-15. Service bulletin. STRUCTURE:BODY:TAILGATE. Customer may report the rear tailgate appears low or won't open.
SSM745502019-10-15. Service bulletin. STRUCTURE:BODY:TAILGATE. Customer may report the rear tailgate appears low or won't open.
SSM74547Attachme2019-10-15. Service bulletin. ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING. Adaptive speed control not available, intelligent emergency braking not available, forward alert not available over 80km/h (50mph) is displayed on the Instrument Cluster (IC). Diagnostic Trouble Code (DTC) C1A67-78 and/or C1A67-54 are set in the Adaptive Speed Control Module (ASCM).
SSM745472019-10-15. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING. Adaptive speed control not available, intelligent emergency braking not available, forward alert not available over 80km/h (50mph) is displayed on the Instrument Cluster (IC). Diagnostic Trouble Code (DTC) C1A67-78 and/or C1A67-54 are set in the Adaptive Speed Control Module (ASCM).
SSM745432019-10-15. Service bulletin. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; ELECTRICAL SYSTEM. The Diagnostic Trouble Code (DTC) U3000-96 ? Component Internal Failure can be stored in the Image Processing Module B (IPMB) with no functional effect on the vehicle or camera system.
SSM74532Attachme2019-10-15. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE. Power liftgate opening issues including; fails to fully open, stalls before fully open or damage to aperture or liftgate trim components.
SSM745322019-10-15. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE. Power liftgate opening issues including; fails to fully open, stalls before fully open or damage to aperture or liftgate trim components.
SFCC AUG19 Slide2019-09-23. Service bulletin. ELECTRICAL SYSTEM. Customer states the vehicle will not start.
SFCC AUG19 Slide2019-09-23. Service bulletin. EQUIPMENT. Customer states there is no audio output from the speakers on all sources.
SFCC AUG19 Slide2019-09-23. Service bulletin. EQUIPMENT. Popping sound or crackling noise from the audio system while in use.
LTB01277NAS22019-09-23. Service bulletin. STEERING; SERVICE BRAKES, HYDRAULIC. A judder and/or vibration can be felt through the steering wheel and/or brake pedal when applying brakes from 50 KPH (30 MPH) or above. This version has been issued due to a change in the parts section.
SSM745002019-09-23. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Air conditioning being reported as inoperative at the Pre-Delivery Inspection (PDI).
LTB00972NAS32019-09-09. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. No air is blowing through any of the passenger compartment air vents, regardless of the temperature or fan speed selected.
SSM744362019-09-09. Service bulletin. STEERING. A customer may express a concern that there is a judder and/or vibration felt through the steering wheel and/or brake pedal when applying brakes from 50 KPH (30 MPH) or above.
SFCC_JUN19_Slide2019-09-09. Service bulletin. EQUIPMENT:ELECTRICAL. InControl Touch Pro customer may experience a Satellite radio (SDAR) favorite missing and replaced with a 2500 status.
SFCC_JUN19_Slide2019-09-09. Service bulletin. EQUIPMENT. Customer states there is no audio output from the speakers on all sources
SFCC_JUN19_Slide2019-09-09. Service bulletin. ELECTRICAL SYSTEM. Not able to hear incoming calls with iPhone at iOS 12.2 / 12.3 software
SFCC_JUN19_Slide2019-09-09. Service bulletin. EQUIPMENT. Popping sound or crackling noise from the audio system while in use.
SFCC_JUN19_Slide2019-09-09. Service bulletin. ELECTRICAL SYSTEM. TCU_3 Programming failures
SFCC_JUN19_Slide2019-09-09. Service bulletin. SERVICE BRAKES. Automatic Emergency Braking not available. Forward Alert not available. Emergency Lane Keeping not available.
SSM744462019-09-09. Service bulletin. ELECTRICAL SYSTEM. Inconsistent Bluetooth connectivity for Android based operating systems following an Android software update to PIE 9. The concern will only affect New Low line Infotainment (NLI) systems
SSM744192019-09-09. Service bulletin. SUSPENSION; ELECTRICAL SYSTEM. Diagnostic Trouble Code (DTC) U210A-27 and/ or C1A24-64 observed in the Chassis Control Module (CHCM) during diagnosis, leading to unnecessary replacement of the air suspension compressor. Please note that the DTCs do not generate an air suspension fault on the instrument cluster or display any vehicle symptoms.
SSM744562019-09-09. Service bulletin. EQUIPMENT:ELECTRICAL. Land Rover have received a small number of reports where the Deployable Side Steps (DSS) are not deploying/ stowing when a door is opened/ closed.

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