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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
SFCC_MAR12_132020-04-07. Service bulletin. ELECTRICAL SYSTEM; ENGINE. The Check Engine Lamp is on and there is a lack of power.
SSM747642020-04-07. Service bulletin. ELECTRICAL SYSTEM. InControl Remote App does not update vehicle location or show correct vehicle status. Remote features (e.g.: Remote Engine Start, Beep and Flash, Remote Lock/Unlock etc.) do not work. The Telematics Control Unit (TCU) unable to communicate with Telematics Service Provider due to curl library error.
SSM74732Att32020-03-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Due to insufficient ground contact at G4D178 Battery earth stud, various fault codes may appear and symptoms related to voltage drop ground, high ground point resistance and power supply. An intermittent start may be reported.
SSM74732Att22020-03-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Due to insufficient ground contact at G4D178 Battery earth stud, various fault codes may appear and symptoms related to voltage drop ground, high ground point resistance and power supply. An intermittent start may be reported.
SSM74732Att12020-03-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Due to insufficient ground contact at G4D178 Battery earth stud, various fault codes may appear and symptoms related to voltage drop ground, high ground point resistance and power supply. An intermittent start may be reported.
SSM747322020-03-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Due to insufficient ground contact at G4D178 Battery earth stud, various fault codes may appear and symptoms related to voltage drop ground, high ground point resistance and power supply. An intermittent start may be reported.
SFCC_FEB20_342020-03-06. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. XM radio is inop.
SFCC_FEB20_332020-03-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. The vehicle will not start.
SFCC_FEB20_322020-03-06. Service bulletin. ELECTRICAL SYSTEM. Intermittent no start
NAS20.02.0192020-03-06. Service bulletin. ELECTRICAL SYSTEM. An issue has been identified on a limited number of Land Rover vehicles within the listed Affected Vehicle Range which may experience a quiescent drain on the startup battery due to the Instrument Panel Cluster Control Module (IPC) remaining active.
NAS20.02.0022020-03-06. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. A potential issue has been identified on certain Land Rover vehicles within the listed Affected Vehicle Range where the warranty period for certain items in the Owner's Handbook may be incorrect. The 12V startup battery warranty period for all listed vehicle lines and the bumper-to-bumper warranty period for Discovery and Range Rover Velar (only) may not contain the correct details. The correct warranty period is 4 years or 50,000 miles (whichever occurs first) for both items.
UPS0920-1BNAS12020-03-06. Service bulletin. ELECTRICAL SYSTEM. A potential issue has been identified on certain Land Rover vehicles within the listed Affected Vehicle Range which may experience a quiescent drain on the startup battery due to the Instrument Panel Cluster Control Module (IPC) remaining active.
BIG5_FEB_362020-03-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ELECTRICAL SYSTEM. Revised engine control module software is required to fix a calibration concern that could potentially increase evaporative emissions
SSM74569Att2020-02-07. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Customer experiences, ‘Low battery message’ on the instrument panel, and is unable to start the vehicle. No associated DTC’s flagged.
SSM745692020-02-07. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Customer experiences, ‘Low battery message’ on the instrument panel, and is unable to start the vehicle. No associated DTC’s flagged.
SSM746982020-02-07. Service bulletin. ENGINE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. A customer may experience one of the following warning messages on the Instrument Panel (IP); Diesel Exhaust Fluid (DEF) Level Low (Empty) or Refill Message Displayed on the (IP) Incorrect Diesel Exhaust Fluid (DEF) Quality Detected Diesel Exhaust Fluid (DEF) Dosing Malfunction
SFCC_JAN20_202020-02-07. Service bulletin. ELECTRICAL SYSTEM. Intermittent Battery Ground Connection
RCTR_29JAN20_142020-02-07. Service bulletin. ELECTRICAL SYSTEM. Pop Noise From Audio Output
RCTR_29JAN20_132020-02-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Intermittent no start; Intermittent Battery Ground Connection
JLRTB02015NAS12020-02-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT. When activating the max defrost setting from an OFF condition on the climate control, an abnormal "hooting" type sound may be heard from the instrument panel.
NAS19.10.019_22020-01-08. Service bulletin. ELECTRICAL SYSTEM. A potential issue has been identified on certain Land Rover vehicles within the listed Affected Vehicle Range which may not start due to the Gateway Control Module (GWM) not initializing.
SFCC_NOV19_402019-12-07. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE. Customer states the vehicle will not start.
SFCC_NOV19_332019-12-07. Service bulletin. ELECTRICAL SYSTEM. Customer complaint in regards to Infotainment system.
SSM746342019-12-07. Service bulletin. ELECTRICAL SYSTEM. Customer reports that the vehicle will not start or has a low battery warning on the cluster.
SFCC_NOV19_302019-12-07. Service bulletin. ELECTRICAL SYSTEM. Popping sound or crackling noise from the audio system while in use.

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