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2026 Land Rover Defender TSBs

60 Technical Service Bulletins across 14 categories

Engine

15 bulletins
11038342

The engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster.

11037135

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.

11034881

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.

11033389

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.

11033285

Jump start information label has not been installed in the vehicles engine compartment.

11033241

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.

11032419

The engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster.

11032399

The jump start information label has not been installed in the vehicles engine compartment

11032360

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.

11032350

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.

11031089

Engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster.

11031076

The jump start information label has not been installed in the vehicles engine compartment.

11030958

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

11030724

The engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster.

11029847

The jump start information label has not been installed in the vehicles engine compartment.

Other

13 bulletins
11038305

Jump Start Information Label Missing

11037130

Jump Start Information Label Missing

11035859

Jump Start Information Label Missing

11034873

Jump Start Information Label Missing

11033261

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:

11030968

REAR DRIVELINE CLICK - NOISE

11030964

While driving with satellite maps, sometimes image doesn't load fully and then comes back

11030963

INCONTROL REMOTE APP WAKE UP TIMER

11030962

There are several scenarios where the key may be set to a deactivated state.

11030751

Smart Key Deactivated message on instrument cluster and unable to start their vehicle

11030749

Diagnostic Trouble Code (DTC) C1D18-55 is set in the TPM during PDI and cannot be cleared using TOPIx Cloud.

11029609

Driveline Noise Concerns

11029569

Towing Eye Bezel Missing

Electrical

8 bulletins
11038296

Diagnostic 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.

11033205

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.

11032357

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.

11032354

The printed circuit board fault can cause a smart key battery drain which affects the functionality of the smart key.

11030746

Key Fob Battery Drain / Inoperative

11029606

RFA module unresponsive at PDI

11029574

RFA module may stop communicating in the vehicle during PDI, resulting in PDI application failure.

11029556

Once the vehicle is powered down via ignition cycle, it may not restart depending on remaining residual charge.

Body & Paint

3 bulletins
11038293

Accessory Wheel Arch Protection - Gaps Present Between Protection And Vehicle Body

11035734

Increased effort required to close one or more vehicle doors.

11033264

Malfunction Indicator Lamp (MIL) is illuminated on the instrument panel.

Software & Calibration

3 bulletins
11037119

TCU Activation Failure And InControl App Inoperative After Software Update

11035867

Car Configuration File (CCF) Update

11034860

Software Update

Transmission

3 bulletins
11035679

A 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.

11033270

Amber MIL being displayed on the Instrument Panel Cluster on vehicles equipped with a Gen4 transmission.

11033267

Amber MIL being displayed on the Instrument Panel Cluster on vehicles equipped with a Gen4 transmission.

Air Bags & Safety

3 bulletins
11030960

The 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

11030722

3rd row lower seatbelt anchorage bracket may contain a weld stud of insufficient strength.

11030720

3rd Row Seatbelt Mounting Bolt - Incorrect Specification

HVAC & Climate

2 bulletins
11037117

Air Conditioning Inoperative / Intermittent Operation

11032359

Air Conditioning (AC) Inoperative.

Infotainment

2 bulletins
11035732

Unable to select Navigation when pressing the navigation Tile on theTouchscreen.

11028600

PIVI WIRELESS CARPLAY / ANDROID AUTO CONNECTIVITY

Hybrid & EV

2 bulletins
11035730

Wireless Device Charger Inoperative Post Software Update

11030743

Wireless Charger - Charging Interruption With iPhone 15 and 16 Devices

Suspension

2 bulletins
11032372

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.

11029842

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 bulletins
11029603

STEERING REQUIRES STEADY CORRECTION FORCE

11028608

Vehicle Requires Steady Correction Steering Force to Remain in Lane

Pre-Delivery & Maintenance

1 bulletin
11035735

Intermittent Passive Entry Operation 24MY Or With New Service Smart Key Fob.

Lighting

1 bulletin
11031069

The Automatic Pressure Maintenance Unit (APMU) may have been installed with a clash condition between the APMU hose and...

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heatshield.