2026 Land Rover Defender technical service bulletins
66 technical service bulletins and manufacturer communications cover the 2026 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...
- Restricted or reduced cabin heating performance caused by heater matrix blockage.
- Jump Start Information Label Missing
- Engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster
- Diagnostic Trouble Code stored in the Powertrain Control Module(PCM). The DTC may be unable to be cleared...
- Accessory Wheel Arch Protection
- The engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster.
- 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.
- Car Configuration File (CCF) Update
- Wireless Device Charger Inoperative Post Software Update
- Increased effort required to close one or more vehicle doors.
- A low-speed ‘clonk’ type noise from the rear driveline, audible during low speed throttle inputs, often...
- Unable to select Navigation when pressing the navigation Tile on theTouchscreen.
- Software Update
- A Car Configuration File (CCF) update is required, the engine coolant temperature amber warning will then...
- Amber MIL being displayed on the Instrument Panel Cluster on vehicles equipped with a Gen4 transmission.
- Printed circuit board fault within the smart key may be present
- Jump start information label has not been installed in the vehicle’s engine compartment.
- Vehicles may exhibit a ‘clicking’ noise from the rear of the vehicle
- Malfunction Indicator Lamp (MIL) is illuminated on the instrument panel.
- Arduous customer drive cycles have been found to accelerate the degradation of engine oil, leading to...
- The printed circuit board fault can
- Where vehicles are supported by a 12V Battery Support Unit (BSU) and repeatedly interacted with while the...
- Air Conditioning (AC) Inoperative.
- Automatic Pressure Maintenance Unit (APMU) may have been installed with a clash condition between the APMU...
- The jump start information label has not been installed in the vehicle’s engine compartment
- The fuel tank wall thickness is too low around the Inlet Check Valve (ICV) weld area
- ‘Key fob low battery’ warning message may be displayed on the Instrument PanelCluster (IPC), or the key...
- Diagnostic Trouble Code (DTC) C1D18-55 is set in the TPM during PDI and cannot be cleared using TOPIx Cloud.
- 3rd row lower seatbelt anchorage bracket may contain a weld stud of insufficient strength.
- Key Fob Battery Drain / Inoperative
- The Automatic Pressure Maintenance Unit (APMU) may have been installed with a clash condition between the...
- The jump start information label has not been installed in the vehicle’s engine compartment.
- Engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster.
- Wireless Charger
- The engine coolant temperature amber warning is not enabled and not displayed on the instrument panel...
- The 3rd row seatbelt outboard lap belt anchorage stud on certain vehicles may not be consistently...
- 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
- Rear driveline click - noise
- Smart Key Deactivated message on instrument cluster and unable to start their vehicle
- 3rd Row Seatbelt Mounting Bolt
- The Automatic Pressure Maintenance Unit (APMU) may have been installed with a clash condition between the...
- Driveline Noise Concerns
- RFA module may stop communicating in the vehicle during PDI, resulting in PDI application failure.
- Steering requires steady correction force
- Once the vehicle is powered down via ignition cycle, it may not restart depending on remaining residual...
- Towing Eye Bezel Missing
- RFA module unresponsive at PDI
- Pivi wireless carplay / android auto connectivity
- Vehicle Requires Steady Correction Steering Force to Remain in Lane
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