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Service bulletins for the 2018 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.

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

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

Bulletins, newest first
SFCC_MAR2021_21B2021-04-06. Service bulletin. ELECTRICAL SYSTEM. TCU v19.2
SFCC_MAR2021_21A2021-04-06. Service bulletin. ELECTRICAL SYSTEM. IMC 20C1 Software Release
SSM736282021-03-22. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Issue: JLR are currently investigating 'Traction Reduced' message displayed on the Instrument Cluster (IC) message center and DTC U2000-4B logged within the Rear Differential Control Module (RDCM).
SA17TE-07 ISSUE2021-03-15. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER:SENSOR/SENDING UNIT. This Service ALERT is superseded by the following SSM which include an expanded vehicle range and service instructions. Please refer to the following publications on TOPIx for the latest details. Land Rover SSM #73635
LTB01119NAS12021-03-15. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. The ambient air temperature display may not be correct.
SGI17-522021-03-15. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. A potential issue has been identified on a limited number of vehicles within the listed Affected Vehicle Range where under certain user scenarios the following may be experienced: - Displayed ambient air temperature lower than expected; - Excessive heating of the passenger compartment at the beginning of the journey; - Unintentional activation of heated windshield and rear window; and/or - Incorrect operation of climate control system. This program does not apply to any vehicle already registered and in use, either with the retailer or customer. Any vehicle already in use may continue to be driven and any repair instructions deemed necessary will be communicated through a separate Field Action or Technical Bulletin.
N131 UPS9317-1bN2021-03-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. An issue has been identified on certain vehicles within the listed Affected Vehicle Range where under certain user scenarios the following may be experienced: ? Displayed ambient air temperature lower than expected ? Excessive heating of the passenger compartment at the beginning of the journey ? Unintentional activation of heated windshield and rear window ? Incorrect operation of climate control system
LTB00693NAS32021-03-15. Service bulletin. VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM; VISIBILITY. One or more of the following Air Conditioning (A/C) system symptoms may be evident: ? Vent temperatures 'cycle' (blowing warm and then cold); ? Windshield, rear window, and/or door windows mist up in cool (15°C or lower) ambient temperatures; ? Poor cooling performance of the Air Conditioning (A/C) system; and/or ? Warm, damp or musty smells coming from the vents.
SSM736222021-03-15. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Issue: After completing Q634 or Q627, the customer may report the clock is not displayed in the touchscreen, or freezes after start up, or displays a different time to that in the Instrument display.
SSM73635_11_23_22021-03-15. Service bulletin. ELECTRICAL SYSTEM. Unable to activate telematics at PDI
SSM736442021-03-15. Service bulletin. ELECTRICAL SYSTEM. Issue: During PDI when activating the SD Card Map, the Technician will observe a message identifiying that the map data is out of date and requiring a purchase to be made
LTB00766NAS52021-01-08. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT. Damage/marking may be evident on the surface of the Instrument Cluster (IPC) lens.
SFCC_OCT2020_162020-11-06. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. To prevent premature wear, a resulting MIL and a possible no start, all affected vehicles require the replacement of variable valve timing (VVT) solenoids on both intake an exhaust.
SFCC_AUG2020_272020-09-08. Service bulletin. ELECTRICAL SYSTEM. The Check Engine Lamp is illuminated and there is a lack of power.
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
SSM749422020-08-07. Service bulletin. STEERING; ELECTRICAL SYSTEM. A customer may report that the heated steering wheel does not heat up when selected.
SFCC_MAY2020_182020-07-08. Service bulletin. ELECTRICAL SYSTEM. No airflow from the HVAC system.
SSM747862020-05-01. Service bulletin. ELECTRICAL SYSTEM. When attempting to complete the “Replace ECU” application for the Occupant Classification System Module (OCS) the application fails. The error message ‘The following error was encountered: ’ is displayed to the user.
SSM747792020-05-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. JLR is investigating reports of Customers experiencing no audio available from the radio feature (FM, AM & DAB), specifically relating to reports of the touchscreen displaying “Radio not available” from vehicle start-up and continues for the entire drive.
SFCC_APR20_PG332020-05-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. No airflow from the HVAC system.
SFCC_APR20_PG312020-05-01. Service bulletin. ELECTRICAL SYSTEM. Popping sound or crackling noise from the audio system while in use.
SFCC_APR20_PG192020-05-01. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. The Check Engine Lamp is on and there is a lack of power.
SFCC_MAR12_352020-04-07. Service bulletin. ELECTRICAL SYSTEM. Customer may report that the heated seats are slow to warm or cool off.
SFCC_MAR12_322020-04-07. Service bulletin. ELECTRICAL SYSTEM. No airflow from the HVAC system.
SFCC_MAR12_302020-04-07. 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.