2026 Land Rover Defender Technical Service Bulletins

60 technical service bulletins (TSBs) are on record for the 2026 Land Rover Defender. 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.

• 11038296Oct 7, 2026Transmission and drivetrain. Diagnostic Trouble Code stored in the Powertrain Control Module(PCM). The DTC may be unable to be cleared and may return to a confirmed status after three drive cycles.
• 11038293Sep 25, 2026Body and structure. Accessory Wheel Arch Protection - Gaps Present Between Protection And Vehicle Body
• 11038342Sep 18, 2026Engine. The engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster.
• 11038305Sep 18, 2026Other or unknown. Jump Start Information Label Missing
• 11037135Aug 21, 2026Other or unknown. Engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster. 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…
• 11037130Aug 21, 2026Other or unknown. Jump Start Information Label Missing
• 11037119Aug 21, 2026Other or unknown. TCU Activation Failure And InControl App Inoperative After Software Update
• 11037117Aug 21, 2026Other or unknown. Air Conditioning Inoperative / Intermittent Operation
• 11035735Jul 22, 2026Other or unknown. Intermittent Passive Entry Operation 24MY Or With New Service Smart Key Fob.
• 11035867Jul 17, 2026Other or unknown. Car Configuration File (CCF) Update
• 11035859Jul 17, 2026Other or unknown. Jump Start Information Label Missing
• 11035734Jul 7, 2026Other or unknown. Increased effort required to close one or more vehicle doors.
• 11035730Jul 7, 2026Other or unknown. Wireless Device Charger Inoperative Post Software Update
• 11035679Jul 6, 2026Other or unknown. A low-speed ‘clonk’ type noise from the rear driveline, audible during low speed throttle inputs, often coupled with up/down gear changes. The noise is audible during normal road driving conditions.
• 11035732Jul 4, 2026Other or unknown. Unable to select Navigation when pressing the navigation Tile on theTouchscreen.
• 11034860Jun 22, 2026Other or unknown. Software Update
• 11034881Jun 16, 2026Engine. A Car Configuration File (CCF) update is required, the engine coolant temperature amber warning will then be displayed on the instrument panel cluster when required.
• 11034873Jun 16, 2026Other or unknown. Jump Start Information Label Missing
• 11033270May 26, 2026Transmission and drivetrain. Amber MIL being displayed on the Instrument Panel Cluster on vehicles equipped with a Gen4 transmission.
• 11033267May 21, 2026Transmission and drivetrain. Amber MIL being displayed on the Instrument Panel Cluster on vehicles equipped with a Gen4 transmission.
• 11033389May 16, 2026Other or unknown. Engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster. 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…
• 11033285May 15, 2026Other or unknown. Jump start information label has not been installed in the vehicle’s engine compartment.
• 11033205May 15, 2026Other or unknown. Printed circuit board fault within the smart key may be present. The printed circuit board fault can cause a smart key battery drain which affects the functionality of the smart key.
• 11033264May 12, 2026Transmission and drivetrain. Malfunction Indicator Lamp (MIL) is illuminated on the instrument panel.
• 11033261May 12, 2026Other or unknown. Vehicles may exhibit a ‘clicking’ noise from the rear of the vehicle. The noise may be heard from one or both sides of the vehicle when moving forwards or backwards. Action:
• 11033241May 1, 2026Engine. Arduous customer drive cycles have been found to accelerate the degradation of engine oil, leading to generation of engine oil sludge deposits in high pressure engine oil galleries of the engine and inside the Continuous Variable Valve Lift (CVVL) unit.
• 11032354Apr 28, 2026Other or unknown. The printed circuit board fault can cause a smart key battery drain which affects the functionality of the smart key.
• 11032360Apr 23, 2026Electrical system. Where vehicles are supported by a 12V Battery Support Unit (BSU) and repeatedly interacted with while the engine is not running, the 48V battery may, in the absence of intervention, discharge to a non‑recoverable state.
• 11032359Apr 21, 2026Other or unknown. Air Conditioning (AC) Inoperative.
• 11032419Apr 17, 2026Engine. The engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster.
• 11032399Apr 17, 2026Other or unknown. The jump start information label has not been installed in the vehicle’s engine compartment
• 11032372Apr 17, 2026Other or unknown. Automatic Pressure Maintenance Unit (APMU) may have been installed with a clash condition between the APMU hose and heatshield. 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.
• 11032350Apr 15, 2026Other or unknown. The fuel tank wall thickness is too low around the Inlet Check Valve (ICV) weld area. Insufficient material thickness in this area may lead to fuel tank cracking during vehicle operation.
• 11032357Apr 14, 2026Other or unknown. ‘Key fob low battery’ warning message may be displayed on the Instrument PanelCluster (IPC), or the key fob may become non-functional.
• 11030749Mar 31, 2026Other or unknown. Diagnostic Trouble Code (DTC) C1D18-55 is set in the TPM during PDI and cannot be cleared using TOPIx Cloud.
• 11030722Mar 27, 2026Seat belts. 3rd row lower seatbelt anchorage bracket may contain a weld stud of insufficient strength.
• 11031089Mar 20, 2026Other or unknown. Engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster.
• 11031076Mar 20, 2026Other or unknown. The jump start information label has not been installed in the vehicle’s engine compartment.
• 11031069Mar 20, 2026Other or unknown. The Automatic Pressure Maintenance Unit (APMU) may have been installed with a clash condition between the APMU hose and heatshield.
• 11030746Mar 20, 2026Other or unknown. Key Fob Battery Drain / Inoperative
• 11030743Mar 18, 2026Other or unknown. Wireless Charger - Charging Interruption With iPhone 15 and 16 Devices
• 11030968Mar 13, 2026Suspension. Rear driveline click - noise
• 11030964Mar 13, 2026Other or unknown. While driving with satellite maps, sometimes image doesn't load fully and then comes back
• 11030963Mar 13, 2026Other or unknown. Incontrol remote app wake up timer
• 11030962Mar 13, 2026Other or unknown. There are several scenarios where the key may be set to a deactivated state.
• 11030960Mar 13, 2026Seat belts. The 3rd row seatbelt outboard lap belt anchorage stud on certain vehicles may not be consistently manufactured to the as-specified ISO strength grade
• 11030958Mar 13, 2026Engine. The engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster, a Car Configuration File (CCF) update is required; the engine coolant temperature amber warning will then be displayed on the instrument panel cluster when required
• 11030751Mar 10, 2026Electrical system. Smart Key Deactivated message on instrument cluster and unable to start their vehicle
• 11030724Mar 6, 2026Engine. The engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster.
• 11030720Mar 4, 2026Seat belts. 3rd Row Seatbelt Mounting Bolt - Incorrect Specification

← All problems reported for the 2026 Land Rover Defender