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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

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
SSM746072019-12-06. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. JLR are investigating reports of the Wireless Charger Accessory are intermittently charging or not charging the mobile device.
SSM746042019-12-06. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Engine MIL on.
SFCC_NOV19_212019-12-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE. The Check Engine MIL is on.
SSM745992019-12-06. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. Inconsistent Bluetooth connectivity for customers following an Android or Apple operating software (OS) update.
TechRS_NOV19_1092019-12-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Web Browser functionality is not available.
TechRS_NOV19_1082019-12-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Voice control is not able to locate destination entry.
TechRS_NOV19_1062019-12-06. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM. Quiescent battery drain due to TCU module.
TechRS_NOV19_1042019-12-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. SOTA download does not complete first time through
TechRS_NOV19_1002019-12-06. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. Customer is able to unlock and lock the vehicle but not able to start vehicle
Tech_RS_NOV19_992019-12-06. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; EQUIPMENT. Customer states not able to start vehicle after state inspection test is performed.
Tech_RS_NOV19_972019-12-06. Service bulletin. ELECTRICAL SYSTEM. Customer may state there is no audio present or volume control.
Tech_RS_NOV19_962019-12-06. Service bulletin. ELECTRICAL SYSTEM. Customer may state there is no audio present or volume control.
Tech_RS_NOV19_952019-12-06. Service bulletin. ELECTRICAL SYSTEM. Customer may state there is a pop noise or crackle when playing the audio.
Tech_RS_NOV19_922019-12-06. Service bulletin. ELECTRICAL SYSTEM. Improperly fitted ground points lead to numerous customer symptoms early in the service life of the vehicle.
SFCC_OCT19_372019-11-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Customer states there is no audio output from the speakers on all sources
SFCC_OCT19_362019-11-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Customer states there is no audio output from the speakers on all sources
SSM74569Att2019-11-07. Service bulletin. ELECTRICAL SYSTEM. Customer experiences, ‘Low battery message’ on the instrument panel, and is unable to start the vehicle.
SSM745692019-11-07. Service bulletin. ELECTRICAL SYSTEM. Customer experiences, ‘Low battery message’ on the instrument panel, and is unable to start the vehicle.
NAS19.10.0102019-11-07. Service bulletin. ELECTRICAL SYSTEM. A potential issue has been identified on a limited number of Land Rover vehicles within the listed Affected Vehicle Range where voice feature is not available on certain vehicles equipped with InControl® Touch Pro™.
SFCC_SEP19_Slide2019-10-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL. Customer states there is no audio output from the speakers on all sources.
SFCC_SEP19_Slide2019-10-15. Service bulletin. ELECTRICAL SYSTEM. Popping sound or crackling noise from the audio system while in use.
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.
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).

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