2026 Land Rover Defender TSBs
60 Technical Service Bulletins across 14 categories
Categories
Engine
15 bulletinsThe engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster.
Engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster.
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The engine coolant temperature amber warning gives the vehicle driver more warning and time to react to the engine getting hot. If the engine coolant temperature amber warning is not enabled the first warning for engine overheating is a red warning displayed on the instrument panel cluster, this then leads to engine power restriction to protect the vehicle.
A Car Configuration File (CCF) update is required, the engine coolant temperature amber warning will then be displayed...
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on the instrument panel cluster when required.
Engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster.
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The engine coolant temperature amber warning gives the vehicle driver more warning and time to react to the engine getting hot. If the engine coolant temperature amber warning is not enabled the first warning for engine overheating is a red warning displayed on the instrument panel cluster, this then leads to engine power restriction to protect the vehicle.
Jump start information label has not been installed in the vehicles engine compartment.
Arduous customer drive cycles have been found to accelerate the degradation of engine oil, leading to generation of...
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engine oil sludge deposits in high pressure engine oil galleries of the engine and inside the Continuous Variable Valve Lift (CVVL) unit.
The engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster.
The jump start information label has not been installed in the vehicles engine compartment
Where vehicles are supported by a 12V Battery Support Unit (BSU) and repeatedly interacted with while the engine is not...
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running, the 48V battery may, in the absence of intervention, discharge to a nonrecoverable state.
The fuel tank wall thickness is too low around the Inlet Check Valve (ICV) weld area.
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Insufficient material thickness in this area may lead to fuel tank cracking during vehicle operation.
Engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster.
The jump start information label has not been installed in the vehicles engine compartment.
The engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster, a Car...
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Configuration File (CCF) update is required; the engine coolant temperature amber warning will then be displayed on the instrument panel cluster when required
The engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster.
The jump start information label has not been installed in the vehicles engine compartment.
Other
13 bulletinsJump Start Information Label Missing
Jump Start Information Label Missing
Jump Start Information Label Missing
Jump Start Information Label Missing
Vehicles may exhibit a clicking noise from the rear of the vehicle.
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The noise may be heard from one or both sides of the vehicle when moving forwards or backwards. Action:
REAR DRIVELINE CLICK - NOISE
While driving with satellite maps, sometimes image doesn't load fully and then comes back
INCONTROL REMOTE APP WAKE UP TIMER
There are several scenarios where the key may be set to a deactivated state.
Smart Key Deactivated message on instrument cluster and unable to start their vehicle
Diagnostic Trouble Code (DTC) C1D18-55 is set in the TPM during PDI and cannot be cleared using TOPIx Cloud.
Driveline Noise Concerns
Towing Eye Bezel Missing
Electrical
8 bulletinsDiagnostic Trouble Code stored in the Powertrain Control Module(PCM).
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The DTC may be unable to be cleared and may return to a confirmed status after three drive cycles.
Printed circuit board fault within the smart key may be present.
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The printed circuit board fault can cause a smart key battery drain which affects the functionality of the smart key.
Key fob low battery warning message may be displayed on the Instrument PanelCluster (IPC), or the key fob may become...
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non-functional.
The printed circuit board fault can cause a smart key battery drain which affects the functionality of the smart key.
Key Fob Battery Drain / Inoperative
RFA module unresponsive at PDI
RFA module may stop communicating in the vehicle during PDI, resulting in PDI application failure.
Once the vehicle is powered down via ignition cycle, it may not restart depending on remaining residual charge.
Body & Paint
3 bulletinsAccessory Wheel Arch Protection - Gaps Present Between Protection And Vehicle Body
Increased effort required to close one or more vehicle doors.
Malfunction Indicator Lamp (MIL) is illuminated on the instrument panel.
Software & Calibration
3 bulletinsTCU Activation Failure And InControl App Inoperative After Software Update
Car Configuration File (CCF) Update
Software Update
Transmission
3 bulletinsA low-speed clonk type noise from the rear driveline, audible during low speed throttle inputs, often coupled with up/down gear changes.
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The noise is audible during normal road driving conditions.
Amber MIL being displayed on the Instrument Panel Cluster on vehicles equipped with a Gen4 transmission.
Amber MIL being displayed on the Instrument Panel Cluster on vehicles equipped with a Gen4 transmission.
Air Bags & Safety
3 bulletinsThe 3rd row seatbelt outboard lap belt anchorage stud on certain vehicles may not be consistently manufactured to the...
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as-specified ISO strength grade
3rd row lower seatbelt anchorage bracket may contain a weld stud of insufficient strength.
3rd Row Seatbelt Mounting Bolt - Incorrect Specification
HVAC & Climate
2 bulletinsAir Conditioning Inoperative / Intermittent Operation
Air Conditioning (AC) Inoperative.
Infotainment
2 bulletinsUnable to select Navigation when pressing the navigation Tile on theTouchscreen.
PIVI WIRELESS CARPLAY / ANDROID AUTO CONNECTIVITY
Hybrid & EV
2 bulletinsWireless Device Charger Inoperative Post Software Update
Wireless Charger - Charging Interruption With iPhone 15 and 16 Devices
Suspension
2 bulletinsAutomatic Pressure Maintenance Unit (APMU) may have been installed with a clash condition between the APMU hose and heatshield.
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Rubbing of the APMU hose on the heatshield could create pressure loss and / or fluid leak on 6Ddynamic suspension system over a period of time.
The Automatic Pressure Maintenance Unit (APMU) may have been installed with a clash condition between the APMU hose and heatshield.
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Rubbing of the APMU hose on the heatshield could create pressure loss and / or fluid leak on 6Ddynamic suspension system over a period of time.
Steering
2 bulletinsSTEERING REQUIRES STEADY CORRECTION FORCE
Vehicle Requires Steady Correction Steering Force to Remain in Lane
Pre-Delivery & Maintenance
1 bulletinIntermittent Passive Entry Operation 24MY Or With New Service Smart Key Fob.
Lighting
1 bulletinThe Automatic Pressure Maintenance Unit (APMU) may have been installed with a clash condition between the APMU hose and...
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heatshield.