2021 Land Rover Defender technical service bulletins
517 technical service bulletins and manufacturer communications cover the 2021 Land Rover Defender.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Interference from external WiFi sources could disrupt wireless CarPlay or Android Auto connection
- The air conditioning system is not cooling properly
- Retailers may not be following the installation instructions correctlywhen installing accessory wheel arch...
- Accessory Wheel Arch Protection
- Air Conditioning Inoperative / Intermittent Operation
- TCU Activation Failure And InControl App Inoperative After Software Update
- Intermittent Passive Entry Operation 24MY Or With New Service Smart Key Fob.
- Exhaust System Oxygen (O2) Sensors
- A low-speed ‘clonk’ type noise from the rear driveline, audible during low speed throttle inputs, often...
- Software Over The Air (SOTA) updates are failing to complete
- Door Zone Module
- The transfer case clutch and / or All Wheel Drive (AWD) lock cannot perform as designed
- Arduous customer drive cycles have been found to accelerate the degradation of engine oil, leading to...
- Air Conditioning (AC) Inoperative.
- Software Over The Air (SOTA) updates are failing to complete
- The transfer case clutch and / or All Wheel Drive (AWD) lock cannot perform as designed.
- Wireless Charger
- There are several scenarios where the key may be set to a deactivated state.
- Incontrol remote app wake up timer
- While driving with satellite maps, sometimes image doesn't load fully and then comes back
- Smart Key Deactivated message on instrument cluster and unable to start their vehicle
- 12V startup battery flat - mild hybrid electric vehicle (MHEV)
- There is a concern/fault with the 48Volt MHEV system.
- There is a concern with the 48Volt charging system(DC/DC) with the vehicle.
- Steering requires steady correction force
- Once the vehicle is powered down via ignition cycle, it may not restart depending on remaining residual...
- Pivi wireless carplay / android auto connectivity
- After vehicle off, the fan continues to run at high speeds.
- Vehicle Requires Steady Correction Steering Force to Remain in Lane
- Coolant fan may continue running at high speed after ignition shut-off
- Pivi
- Body / hmi CAN functions reset every 8-10 minutes
- Passive entry intermittent operation
- Vehicles may exhibit PIVI Login concerns even with InControl Remote functions operating.
- A battery warning light on and or electrical system failure message is displayed on instrument cluster.
- Unable to Log into InControl Account in Vehicle.
- Rescinded
- Near Field Sensing Module (NFSM) Wired Updates
- Software Updates
- Body and Comfort (HMI) CAN related functions such as window switches or air conditioning may reset or...
- Software Over The Air (SOTA) updates are failing to complete
- Audible clunk noise from rear driveline during low-speed throttle inputs.
- When pushing the rear brake caliper pistons back during a brake service, the caliper piston dust boot may...
- There is a noise in the front suspension.
- Rear Brake Caliper Piston Dust Boot Distortion Risk
- A number of warranty return front lower control arms where the ball joint shows signs of damage due to...
- Rear Driveline `Clonk` Type Noise
- Passive Entry doesn't respond intermittently to access car
- The low coolant light may be illuminated/there may be a coolant leak from the engine area.
- Squeak Type Noise From Steering Column When Steering Wheel Is Rotated
- The air conditioner does not blow cold air.
- Turbocharger coolant feed and return pipe o- ring leak
- The SOTA Campaign number displayed in the software update screen in the vehicle is only updated when a...
- MIL on Instrument cluster.
- Customer reports of a low-speed clonk type noise from the rear driveline, audible during low-speed...
- Tapping Noise From A-Pillar Area
- JLR Engineering investigations have found
- JLR Engineering investigations have identified reports of the Heating Ventilation and Air...
- Clear sota persistency
- Autofred approval – cosmetic defect on idma and icdm
- A potential concern has been identified on certain vehicles, where the transfer case clutch and / or All...
- Vehicle cranks, but does not run when at operating temperature
- - Near Field Sensing Module (NFSM) Wired Updates
- A potential concern has been identified on certain 2022 model year to 2025 model year Range Rover, 2023...
- Door zone module
- Engine Will Crank, No Start When At Operating Temperature
- Clear SOTA Persistency
- A concern has been identified where certain vehicles are failing to complete Software Over The Air (SOTA)...
- Leaking windshield that caused the water ingress on the electrical component.
- Engine replacement under warranty.
- Electrical system warning light will be on the instrument cluster.
- The loadspace cover corded handle has broken.
- Vehicles are unable to complete software updates through Software Over The Air(SOTA) and require a...
- Customer could be left with a vehicle that can not be unlocked or the engine started as a result of a...
- Vehicles are installed with Near Field SensingModule (NFSM) that do not support Software Over The Air (SOTA).
- A potential concern has been identified on certain vehicles where Software Over The Air (SOTA) updates are...
- There have been several FRED submissions for a customer allegation of a rear brake warning being...
- There have been several FRED submissions for a customer allegation of a brake noise concern.
- There have been several FRED submissions for a customer allegation of brake judder/vibration.
- 'Stop Safely Electrical Fault Detected' warning message displayed in the message center.
- Low coolant lamp comes on and/or leak of coolant from engine area.
- Door zone module - quiescent drain
- JLR Engineering investigations have identified that customers are experiencing a red 'Stop Safely...
- Pivi satellite radio chanel display fault
- Low engine coolant lamp warning on instrument panel and/or coolant leak.
- Turbocharger Coolant Feed And Return Pipe O-Ring Leak
- PIVI satellite radio favorites screen displays an incorrect channel.
- Thermostat Housing Engine Coolant Leak
- These vehicles have now been stopped from further SOTA attempts and require a wired intervention
- Mhev dcdc
- The windshield trim is not sitting correctly or rattles.
- Gasoline Catalytic Converter Malfunction Indicator Lamp (MIL)
- Engine Oil and Filter Change
- Front / Rear Door Latch
- Diagnostic Trouble Code Stored In The Powertrain Control Module
- Roof Opening Panel Not Operating as Expected
- MIL lamp on the instrument cluster
- Steering Gear Noisy
- Fuel Pump Driver Module Inoperative
- Near field sensing module (NFSM) wired updates
- Oil filter housings installed on Ingenium I6 3.0L Diesel and Ingenium I6 3.0L Petrol engine variants,...
- MIL lamp on the instrument cluster
- Customer may report a concern with Apple CarPlay or Android Auto function after recent updates to their...
- Clicking Ticking Noise from Front Axle While Turning Left or Right and Full Lock at Low Speeds
- 'Stop Safely Electrical Fault Detected' warning message on the instrument panel.
- A customer may report that the windshield wipers stop up on the windshield when turned off.
- Rear Doors Difficult To Open
- MHEV DCDC internal failure with warning message
- Front/Rear Door Latch – Silicon Contamination Causing Doors To Not Operate As Expected
- Electrical system fault on instrument cluster or noise from engine.
- A customer may report that the vehicle loses steering power assist after starting the vehicle from static.
- Enhancements to Apple CarPlay, Android Auto, ADAS, Steering
- Improvements to SOTA (Software Over The Air) capability.
- Certain vehicles are experiencing split/damaged accessory drive belts and worn/damaged accessory drive...
- A potential concern has been identified where customer could be left with a nonfunctioning vehicle as a...
- When opening either of the rear doors, the door seal contacts the rear quarter window and makes opening...
- Enhancements to Apple AutoPlay, Android Auto, ADAS, Steering
- Pivi sota - fault diagnos is and resolution
- Low coolant light on or smell of coolant from engine area.
- Customer could be left with a vehicle that can not be unlocked or the engine started as a result of a...
- Software updates
- A concern has been identified where certain vehicles are failing to complete existing Software Over The...
- A potential concern has been identified where customer could be left with a nonfunctioning vehicle as a...
- The engine oil and filter are to be replaced.
- Malfunction Indicator Lamp (MIL) on while driving
- Radio presets clear after ignition cycle
- Lack of power, MIL light on, rough idle
- A Customer may complain of an SRS system warning message being displayed on the instrument panel.
- Lane Assistance Not Available warning present on Instrument cluster
- Extended warranty on DMTL Pumps 2020MY to 2021MY.
- JLR Retailers have reported visible corrosion around the outlet of the exhaust tailpipe prior to PDI
- The headlamp washer nozzles seep fluid when not in use and leave residue on the bezels
- Enhancements to the following systems: Wireless Device Charger, High Voltage (HV) Battery Charge Control,...
- DTC repair
- Startup battery keeps draining / Vehicle will not start
- There is a clicking or ticking type noise from the front axle area of the vehicle while turning either...
- Clicking/Ticking Noise from Front Axle While Turning Left or Right and Full Lock at Low Speeds
- Exhaust Tailpipe Corrosion
- No Power Steering Assistance at Start of Drive Cycle – ADAS Warning
- Customer states the weather app is no longer available
- Customer reports lack of power and/or check engine light on.
- The headlamps not fully functioning properly after module replacement.
- There is moisture inside the headlamp lens
- Weather and Park & Pay Apps disappear after PIVI update
- Battery low warning displayed on instrument cluster and/or no-start
- A potential concern has been identified where customer could be left with a nonfunctioning vehicle as a...
- Loss of GPS location and clock time
- Customer reports coolant level low message on dash or a coolant leak.
- The headlamp washer jet nozzles are leaking fluid when not operating the washers
- The wiper blades streak, smear, judder or squeak during operation
- Driving Assistance and Vehicle Dynamics updates
- Coolant Low Warning Message Displayed On The Instrument Panel Cluster
- Front Headlamp Washer Jet Leaking / Rear Camera Washer Jet Leaking
- PDC Park distance control no volume
- Front interior courtesy light – non-illumination
- Lack of power, MIL on.
- Rear doors difficult to open
- Engine Noise
- A concern has been identified where certain vehicles are failing to complete existing Software Over The...
- The E-Call light is not active after completing the Pre-Delivery inspection
- Pivi ip 36 , becm os 4.0.0
- Engine primary belt shredding
- The loadspace cover is sagging or has become damaged.
- Misfire or rough running
- Add 1.0 litre/quart of engine oil
- Redeveloped profiles
- Pivi IP36 , becm os 4.0.0 – improved / changed features
- Add 1 litre / quart of engine oil message on instruent cluster
- A customer may report that the front or rear door latch does not operate as expected.
- A customer may report that the rear tailgate glass shattered when closing a side door.
- JLR is investigating reports of vehicles being released to customers without the TCU Telematic Control...
- Vehicles are failing to complete Software Over The Air SOTA updates, specifically Vehicle Domain...
- Vehicles are failing to complete Software Over The Air SOTA updates, specifically Vehicle Domain...
- Customer reports vehicle will not start with a Smart Key Deactivated message shown in the vehicle display
- Customer reports of 12V battery issues
- Engine primary belt shredding - P6-3.0L mhev
- P6 Engine Primary belt shredding
- Customer reports, Engine Light is on and poor cabin heating.
- Customer reports, Engine Light is on and engine running rough.
- A customer may complain of a rattling type noise from the accessory fitted raised air intake tube.
- A customer may complain that the accessory fitted air compressor is inoperative and or displays an error code.
- Engine Oil Leak From Cylinder Head
- Accessory Integrated Air Compressor Operational Issues
- Engine misfire
- Rear Differential e-Diff
- Oil Leak – Transmission Oil Cooler Pipes
- Check engine (AMBER) and poor cabin heating
- Customers will be reporting a knocking noise or judder/vibration, from the rear of the vehicle when...
- Malfunction Indicator Lamp
- Certain 2020 to 2022 model year vehicles are unable to complete software updates through Software Over The...
- Mhev DC/DC
- Coolant Low warning displayed in the Instrument Cluster
- Intermittent Passive Entry Operation
- Noise From Sunroof Blind When Opening And Closing
- A customer will complain about a noise / low battery light/ low coolant light and or overheating
- Customers will be reporting a squeaking noise inside the cabin.
- Deployable Side Steps Inoperative
- Surround camera, 360 Park aid features are not operating
- Customer reports that low coolant lamp on, coolant leak.
- Mhev DC/DC
- Accessory Belt and/or Tensioner May Become Damaged and or Adrift
- Raised Air Intake Accessory – Rattling
- Integrated Air Compressor
- Mhev DC DC converter squeaking noise from inside the cabin
- Pivi pro USB inoperative cross car line
- Near field sensing feature degradation
- No communication with impa via topix cloud
- Unable to complete pdi due to telematics incontrol activation failing
- USB stick not recognized when inserted into the Front Portable Media Interface Panel
- Pivi –
- Coolant warning light and/or coolant leaking from vehicle.
- Vehicle will have a lack of power, drivability issues, and possible check engine light on.
- A customer may report that an amber general warning indicator is illuminated Power Steering Assistance...
- Pivi loss of GPS location and clock time
- Power steering assistance reduced message displayed
- Non-start issue
- Unable to complete sota updates
- Mhev DC/DC converter noisy, low battery warning illuminated.
- Electric supercharger intermittent operation
- USB stick not recognized
- Sota campaign
- Whining Noise From Transfer Case
- Clicking/Ticking Type Noise Whilst Turning
- Clicking/ticking noise whilst turning left or right and full lock at low speeds
- Front lamp unit software
- Driveline Noise or Vibration
- USB Socket At Front Portable Media Interface Panel Inoperative Or Not Illuminating
- Turbo Coolant Pipe O Ring
- Intermittent Engine Non Start After An Eco Stop Start Event
- Vehicle emission label
- Emissions recalls
- Customer concern will be a low coolant light on or a coolant leak
- Incorrect Emission Label Installed
- Accessory dashboard camera inoperative
- Intermittent Engine Non-Start After an ECO Stop Start
- Air leak within crankcase ventilation system
- Customer concern will be a warning lamp in IP cluster or coolant temperature gauge fluctuation
- Customer concern will be a failure to restart after an Eco-stop
- A customer may report that “Power Steering Reduced” message displays on the message center on start-up...
- A customer may report that the 2nd row seat manual adjustment bar has become loose or damaged.
- A customer may report that the load through center seat does not fold properly
- A customer may report that the 2nd row seat makes a ratcheting noise or is difficult to manually folding/...
- Engine misfire or rough running
- Pivi pro USB inoperative
- Engine cut-out
- Engine Coolant Temperature Intermittently Displays High On Instrument Cluster
- Overheat Warning on Highway
- Failure to restart out of eco-stop
- Power Steering Assistance Reduced Message Displayed
- Creak Noise From Front Door Seals
- A customer may report that the load through center seat does not fold properly.
- Accessory Integrated Air Compressor Error Code
- 8HP 8-Speed Automatic Transmission replacements due to Automatic Transmission Fluid (ATF) contamination...
- Charge warning light on, MIL light
- Water Ingress Into Passenger Compartment
- Seat Mounted Seat Switches Not Working
- Surround camera; 360 Park Aid features or any of the feature is not operating.
- Customer symptom of idle speed instability, RPM higher than expected, or check engine light illuminated.
- Emission recall N620 - electric supercharger - intermittent operation
- Near Field Sensing feature degradation (Surround camera; 360 Park Aid)
- Seat mounted seat switches
- Ingenium I6 3.0L
- A potential issue has been identified on specific vehicles where, in locations where the vehicle has poor...
- Accessory integrated air compressor error code
- Affected vehicles will require software updates to the TCU & ICCM using Pathfinder to enable future SOTA...
- Improvements/Fixes – Improvement in system stability – Improvements in acoustic reliability / Audio loss –...
- The Autonomous Emergency Braking (AEB) warning message is displayed on the instrument cluster (IPC).
- AUDIO No audio output when audio system appears to be on issue is now corrected CONNECTIVITY Improved WiFi...
- No air flow through face vents
- IP31 Includes numerous bug fixes, and also activates wireless CarPlay and Android Auto functionality to...
- Coolant level sensor loose
- AEB warning on Instrument Panel Cluster
- The wireless phone charger is not working with iPhone 12
- Transmission fluid leaks
- Timing chain replacement VVT Service Part Incorrectly Boxed
- Customer symptom of idle speed instability, check engine light illuminated.
- Roof Opening Panel Inoperative
- Heatshield Contact With Rear Driveshaft
- Seat Recliner Motor Inoperative
- Seat Power Fore/Aft Motor Inoperative
- Seat Power Height Adjustment Motor Inoperative
- Coolant level sensor loose.
- Non-start
- Poor Idle
- Customer States engine runs rough with MIL illuminated.
- Oil Level Gauge (Dipstick) markings incorrect.
- MIL illuminated
- Roof opening panel inoperative
- Electric Supercharger Intermittent Operation
- Tapping noise from A-pillar area.
- Heatshield contact with rear driveshaft.
- Customer states harsh shift, transmission warning lamp.
- – Customer states check engine light is illuminated.
- A customer may report that there is a cyclical knocking or judder type noise when braking.
- Suspended -- engine no-start
- Key remote functions and/or passive entry stopped working.
- Connectivity functions are no longer working.
- Navigation voice guidance no longer operational after latest NGI update
- Heat shield contact with rear driveshaft
- Front Daytime Running Light(s) Are Not Working / Intermittent Operation
- Affected vehicles may experience a no-start due to a CANBUS communications concern between the Body...
- Request for software update shown on touchscreen
- Customer States iPhone 12 with MagSafe not charging when using the Wireless Device Charger feature
- Customer states downloaded software will not install
- BECM offline after programming.
- A customer may report that the roof opening panel does not operate or that the sunblind lost ‘One Touch’...
- Roof panel opening inoperative - loss of one touch closure
- Non-start due to communication issue between IPC and BCM
- Brake noise and Judder felt through the floor during braking.
- Engine MIL and reduced engine performance.
- Infotainment Updates
- Navigation voice guidance is not working with Apple CarPlay
- The vehicle does not Eco Stop.
- Check Engine MIL is illuminated.
- A customer may report that the air conditioning system does not cool properly.
- Missing activity keys
- Missing activity key
- Navigation displays current location as Berlin, Germany.
- Unable to log into InControl Account.
- A customer may report a tapping type noise while driving from the windshield area.
- The Malfunction Indicator Lamp (MIL) may be illuminated on the Instrument Panel Cluster (IPC) and reduced...
- MIL and reduced engine performance.
- A potential issue has been identified on certain Land Rover vehicles within the listed Affected Vehicle...
- Intermittently, the passive unlock feature does not work unless the smart key is in the customers hand,...
- Roof Opening Panel
- A customer may report a ratcheting sound when folding/ unfolding the second row seats.
- A customer may express a concern that there is moisture inside one of the rear lamp assemblies.
- Missing Activity Key
- 3 Zone Air Conditioning System Inoperative
- Smart key inoperative
- Navigation displays current location is berlin, germany
- Customer is unable to log into InControl Account after account creation
- Customer received “unknown error” when trying to log into Pivi profile
- Intermittently, the passive unlock feature does not work unless the smart key is in the customer's hand.
- There was a flashing D when slowing to a stop.
- The Check Engine MIL is illuminated.
- Stop / start functionality Inoperative
- Malfunction Indicator Lamp (MIL)/Check Engine Light (CEL)
- Incorrect Operation of Climate Control Air Distribution
- Pivi IP27.2 (OS 2.0.6)
- Pivi IP 30 Release
- Navigation Voice Control does not function
- High Pitch Noise when Turned to Full Lock
- Tapping Noise from A-Pillar Area
- Os 2.0.8 vdc 9.1
- WI-FI option does not function
- Seat Cover Staining / Discoloration
- Sunroof Only Opens Partially After Expedition Roof Rack Installation
- After a short sleep cycle the auto high beam menu is set to disabled and the auto high beam feature will...
- Incorrect cloth treatment at the manufacturer.
- Pivi Pro navigation map data fails to install from USB device to vehicle
- Wifi, Incontrol App, Telematics not found.
- Front Air Spring – Air Leak
- Low Coolant Warning Displayed on Instrument Cluster.
- Opening Roof Panel – Does Not Slide Open.
- Discoloration/water staining that cannot be removed by wiping may be evident on thebackrest and cushion...
- Noise from rear load space compartment of vehicle – obvious to customer while driving.
- Noise from rear load space compartment of vehicle â obvious to customer while driving.
- Multi-ECU SOTA Update (OS 2.0.7) CHCM, GWM, SODL, SODR no-start condition after completing the update due...
- The engine is running rough
- Rear Harness Clash with Rear Exhaust Heat Shield and Rear Stabilizer Bar
- Water Ingress after Wading
- The engine fan runs excessively.
- Steering gear Warning light on Instrument Cluster
- The engine will shut off at low speed approaching a stop and restart immediately by using the engine start...
- The Charge Warning message is on. The Check Engine Lamp is illuminated.
- Tapping Wind Noise from A-Pillar Area
- A number of Air Intake Kits (VPLEP0435) for New Defender vehicles may not contain the correct quantity of...
- Software Update.
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