2020 Land Rover Discovery Technical Service Bulletins

499 technical service bulletins (TSBs) are on record for the 2020 Land Rover Discovery. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10177155Jun 4, 2020Transmission and drivetrain. There is a noise from the engine which can vary from a squealing to rattling/bearing noise.
• 10177154Jun 4, 2020Steering, Transmission and drivetrain. There is a noise when turning or accelerating. There is a judder when turning. The tires jump when turning.
• 10177152Jun 4, 2020Visibility (wipers, defrost, mirrors), Equipment. A customer may report that there is a water leak from the windshield area.
• 10174499Apr 30, 2020Transmission and drivetrain. JLR is investigating 3.0P S/C FEAD idler pulley and S/C tensioner emitting excess noise (NVH)
• 10174436Apr 29, 2020Seats. The heated seat feature may not operate as expected and a customer may express one of the follow concerns: The heated seat temperature is slow to increase after the feature is turned on. The heated seat temperature does not decrease after the feature is turned off.
• 10174496Apr 23, 2020Fuel system. MIL on when vehicle in driving. DTC P0496-00 indicated EVAP (Evaporative Emission Canister purge) purification flow is too high.
• 10174493Apr 21, 2020Body and structure. Retailers are reporting that the accessory side step mat is detached from the board.
• 10174492Apr 21, 2020Body and structure. Retailers are reporting that the accessory side step mat is detached from the board.
• 10174488Apr 10, 2020Electrical system, Equipment. 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.
• 10174479Apr 9, 2020Electrical system, Equipment. No airflow from the HVAC system.
• 10174478Apr 9, 2020Electrical system. Popping sound or crackling noise from the audio system while in use.
• 10174473Apr 9, 2020Transmission and drivetrain. • There is a noise on turns. • There is a judder from the vehicle.
• 10174467Apr 9, 2020Electrical system. The Check Engine Lamp is on and there is a lack of power.
• 10174461Apr 9, 2020Electrical system. N422 - Affected vehicles require an update to the Car Config File. Non-Nav vehicles incorrectly built with TSR and Adaptive Speed Limiter. N439 - Affected vehicles require a software update Chassis Control module (CHCM) and DTC read and clear.
• 10174490Apr 1, 2020Electrical 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.
• 10174450Apr 1, 2020Electrical system. A potential issue has been identified on certain Land Rover vehicles within the listed Affected Vehicle Range where the Traffic Sign Recognition (TSR) system may not operate as expected. TSR and Adaptive Speed Limiter are not supported on these vehicles without Navigation system.
• 10173508Mar 20, 2020Engine cooling. A loud noise can be heard coming from the engine compartment. Investigation has found that the engine cooling fan is constantly running at high speed and the following Diagnostic Trouble Codes (DTCs) may be stored in the Powertrain Control Module (PCM): • P2B61-73 • P26CB-72
• 10173432Mar 20, 2020Electrical 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.
• 10173507Mar 18, 2020Transmission and drivetrain. The Malfunction Indicator Lamp (MIL) is illuminated on the Instrument Panel Cluster (IPC) with a small loss in performance and reduction in accelerator response.
• 10173569Mar 16, 2020Electrical system. Customer may report that the heated seats are slow to warm or cool off.
• 10173448Mar 16, 2020Electrical system. No airflow from the HVAC system.
• 10173445Mar 16, 2020Electrical system. Popping sound or crackling noise from the audio system while in use.
• 10173444Mar 16, 2020Electrical system. XM radio is inop.
• 10173442Mar 16, 2020Engine. There is a noise from the engine. The charge warning lamp is on.
• 10173436Mar 16, 2020Electrical system, Engine. The Check Engine Lamp is on and there is a lack of power.
• 10173516Mar 9, 2020Transmission and drivetrain. A potential issue has been identified on certain vehicles within the listed Affected Vehicle Range which may experience restricted performance and a 'Gearbox Fault Detected' warning message displayed on the Instrument Panel Cluster (IPC).
• 10173506Mar 6, 2020Transmission and drivetrain. The Malfunction Indicator Lamp (MIL) is illuminated on the Instrument Panel Cluster (IPC) with a small loss in performance and reduction in accelerator response.
• 10172161Feb 25, 2020Electrical 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.
• 10172155Feb 25, 2020Electrical 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.
• 10172192Feb 21, 2020Equipment, Electrical system. XM radio is inop.
• 10172191Feb 21, 2020Electrical system, Equipment. The vehicle will not start.
• 10172190Feb 21, 2020Electrical system. Intermittent no start
• 10172163Feb 21, 2020Equipment. Existing handbooks state incorrect battery and or vehicle warranty coverages.
• 10172203Feb 20, 2020Electrical 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.
• 10172202Feb 20, 2020Electrical 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.
• 10172201Feb 20, 2020Equipment, 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.
• 10172200Feb 20, 2020Equipment, 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.
• 10172150Feb 13, 2020Electrical system, Engine cooling. Revised engine control module software is required to fix a calibration concern that could potentially increase evaporative emissions
• 10172156Feb 10, 2020Equipment, Electrical system. 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…
• 10171149Jan 29, 2020Visibility (wipers, defrost, mirrors). Water Leak From Windshield
• 10171148Jan 29, 2020Transmission and drivetrain, Equipment, Engine. The Check Engine MIL is on.
• 10171142Jan 29, 2020Electrical system. Pop Noise From Audio Output
• 10171141Jan 29, 2020Equipment, Electrical system. Intermittent no start; Intermittent Battery Ground Connection
• 10171164Jan 15, 2020Engine, Electrical system. 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
• 10171123Jan 14, 2020Electrical system, 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.
• 10171166Jan 9, 2020Electrical system, Engine. Customer experiences, ‘Low battery message’ on the instrument panel, and is unable to start the vehicle. No associated DTC’s flagged.
• 10171165Jan 9, 2020Electrical system, Engine. Customer experiences, ‘Low battery message’ on the instrument panel, and is unable to start the vehicle. No associated DTC’s flagged.
• 10171160Jan 9, 2020Equipment. Popping sound or crackling noise from the audio system while in use.
• 10171158Jan 9, 2020Electrical system. Intermittent Battery Ground Connection
• 10171154Jan 9, 2020Equipment. Remove existing handbook and replace with latest version. Complete at PDI , prior to delivery or at next service visit for sold cars.

← All problems reported for the 2020 Land Rover Discovery