9 documented faults
Engine & fuel system
3 documented faults — symptoms, causes and workshop fixes.
Poor engine performance.
All models with 3.0 Diesel engine, 2010→.
Intake manifold split or cracked.
Workshop instructions & parts2 parts
Workshop procedure
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Fit new intake manifold(s) as necessary.
| Part | Part number | Qty |
|---|---|---|
| Intake manifold (LH) | LR073585 | 1 |
| Intake manifold (RH) | LR074623 | 1 |
Data: Motorwise Workshop. Bulletin 2.
Lack of power when accelerating.
All models with 3.0 Diesel engine.
Turbocharger (TC) intercooler outlet hose chafed through on intake air pipe.
Workshop instructions & parts1 part
Workshop procedure
- Fit new TC intercooler outlet hose.
- Ensure suitable clearance between TC intercooler outlet hose and intake air pipe.
| Part | Part number | Qty |
|---|---|---|
| TC intercooler hose | LR071044 | 1 |
Data: Motorwise Workshop. Bulletin 3.
Lack of power. Trouble code stored in engine control module (ECM) fault memory: P2452.
All models with 3.0 Diesel engine, VIN DA652215-DA699715.
Engine control module (ECM) software fault.
Workshop instructions
Workshop procedure
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Re-program ECM with upgraded software. Note: To carry out an effective repair a software upgrade will be required - refer to manufacturer.
Data: Motorwise Workshop. Bulletin 5.
Electrical & ignition
1 documented fault — symptoms, causes and workshop fixes.
Intermittent self-activation of alarm system siren.
All models.
What you'd notice
Audible warning sounds when locking vehicle. Bonnet open warning message displayed in instrument panel.
The repair
Bonnet switch faulty.
Workshop instructions & parts1 part
Workshop procedure
- Fit new bonnet switch. Bonnet switch integral to bonnet latch.
| Part | Part number | Qty |
|---|---|---|
| Bonnet switch | LR054331 | 1 |
Data: Motorwise Workshop. Bulletin 1.
Suspension & drivetrain
1 documented fault — symptoms, causes and workshop fixes.
Knocking noise from front suspension when driving over uneven surfaces.
All models.
Workshop instructions & parts1 part
Workshop procedure
- Replace front suspension lower arm rear bush on both sides.
- Check front wheel alignment and adjust if necessary.
| Part | Part number | Qty |
|---|---|---|
| Suspension lower arm rear bush | LR067494 | 2 |
Data: Motorwise Workshop. Bulletin 6.
Steering
1 documented fault — symptoms, causes and workshop fixes.
Steering heavy.
All models.
What you'd notice
Noise from steering column when driving over uneven surfaces or when manoeuvring or parking.
The repair
Water ingress into steering column lower universal joint causing corrosion.
Workshop instructions & parts2 parts
Workshop procedure
- Fit new steering column lower shaft.
| Part | Part number | Qty |
|---|---|---|
| Steering column lower shaft - RHD | LR071146 | 1 |
| Steering column lower shaft - LHD | LR071147 | 1 |
Data: Motorwise Workshop. Bulletin 7.
Clutch & gearbox
1 documented fault — symptoms, causes and workshop fixes.
Warning message 'Transmission Fault' displayed in instrument panel.
All models with 8HP70 transmission code, 2014-16.
What you'd notice
Transmission control module (TCM) in limp home mode. Trouble code stored: P0780.
The repair
Transmission control module (TCM) software fault.
Workshop instructions
Workshop procedure
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Re-program transmission control module (TCM) with upgraded software. Note: To carry out an effective repair a software upgrade will be required - refer to manufacturer.
Data: Motorwise Workshop. Bulletin 4.
Air conditioning & heating
1 documented fault — symptoms, causes and workshop fixes.
AC/heater outlet air temperature does not correspond to setting.
All models.
Poor sealing of in-car temperature sensor air intake ducting allowing air to escape.
Workshop instructions & parts1 part
Workshop procedure
- Remove in-car temperature sensor air intake ducting assembly.
- Fit foam pad to in-car temperature sensor air intake ducting. Ensure foam pad covers edges of air intake ducting Fig.1267516.1 .
- Refit in-car temperature sensor air intake ducting assembly.
- View View more information
| Part | Part number | Qty |
|---|---|---|
| Foam pad | ETD 500550 | 1 |
Data: Motorwise Workshop. Bulletin 9.
Other
1 documented fault — symptoms, causes and workshop fixes.
Cracking noise from left hand speakers in DAB mode.
All models with digital audio broadcast (DAB) audio unit.
Digital audio broadcast (DAB) control module software fault.
Workshop instructions
Workshop procedure
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Re-program digital audio broadcast (DAB) control module with upgraded software. Note: To carry out an effective repair a software upgrade will be required - refer to manufacturer.
Data: Motorwise Workshop. Bulletin 8.
Take it with you
Before you view one
Land Rover Discovery 4 Discovery 3 TDV6 (2012–2017)
Each documented fault as a quick check for a viewing or test drive — tick them off as you go.
A little workshop vocabulary
Workshop terms used on this page
Definitions for the technical language used in these bulletins.
- ECM
- Engine control module — the car's engine computer
- VIN
- Vehicle identification number — 17 characters, found at the base of the windscreen and on the V5C logbook
- DAB
- Digital audio broadcast — digital radio
- TC
- Turbocharger — the exhaust-driven compressor that boosts engine power
- TCM
- Transmission control module — the gearbox computer
- Control Module
- A computer that runs one of the car's systems (engine, gearbox, brakes, body, and so on)
- In-Car Temperature
- The cabin-temperature sensor used by the climate control
- Instrument Panel
- The dashboard display that shows warning lights and messages
- Intake Manifold
- The housing that distributes air into the cylinders
- Intercooler
- A radiator that cools the air coming out of the turbocharger before it enters the engine
- Limp Home
- A safety mode that cuts power so you can crawl to a workshop
- Re-Program
- Update the software on a control module using the manufacturer's diagnostic tool
- Trouble Code
- A standardised fault code stored by a control module, read with a diagnostic tool
- Bonnet Switch
- The switch that tells the alarm whether the bonnet is open
- Bush
- A rubber mounting that lets a suspension or body joint move without metal-to-metal contact
- Lower Arm
- A suspension link that locates the wheel at the bottom of the hub
- Universal Joint
- A flexible coupling in a driveshaft that lets it bend as the suspension moves
Common questions
Using this guide.
What are the common faults with the Land Rover Discovery 4 Discovery 3 TDV6?
Garages and workshops regularly encounter nine documented faults on the Land Rover Discovery 4 Discovery 3 TDV6 — three concern the engine and fuel system and one the electrical and ignition. Each fault above lists the symptoms, cause, fix and any parts needed.
Does every Land Rover Discovery 4 Discovery 3 TDV6 have these faults?
No. These are patterns documented across the model by workshops, not predictions for an individual car. Where a fault applies only to certain vehicles or VIN ranges, that is listed with the fault.
Can I check for Land Rover Discovery 4 Discovery 3 TDV6 faults when viewing one?
Many of them, yes — the documented symptoms are things you can see, hear or feel on a viewing or test drive. The 'Before you view one' checklist above turns each documented fault into a quick check you can tick off as you go.