LAND ROVER / RANGE ROVER Discovery 4 2009–2016

Variant identity

Model family

Discovery 4

Market/region

United Kingdom

Period/status

2009–2016 • Status requires source verification

Platform/generation

L319

Powertrain/energy/driveline

3.0 TDV6/SDV6; V8 | 4x4; ZF6/ZF8

Research focus: verify platform/generation, powertrain/energy/driveline and market-specific application identity against manufacturer/source records before applying parts, service procedures or chronic-fault claims.

System map

• Do not interpret DPF soot/ash, differential pressure, EGT, NOx, SCR dosing and EGR in isolation.

Measurement and verification sequence

1. Compare pressure, temperature, soot load and NOx conversion before/after regeneration in the same drive.

Misdiagnosis traps

• A single DTC or user symptom is not a parts diagnosis; confirm with measurements and physical evidence.

Variant-specific system split

• EGR, DPF/FAP, EGT, NOx and SCR/DEF aftertreatment interact with engine torque request; derate can be a secondary result.
• In AWD/4x4, tire circumference, transfer/differential, wheel speeds and torque-distribution request are kept as separate mechanical/electronic evidence.

Freeze frame / live data

• Freeze frame: first/last fault time, RPM, load, vehicle speed, system voltage, core temperatures and companion DTCs.
• Chassis/traction: four wheel speeds, steering angle, yaw/acceleration and AWD torque request/feedback on the same time base.

Root-cause split

• For DPF/SCR faults, separate sensor result from real loading: differential pressure, EGT chain, soot/ash calculation and NOx conversion must be physically consistent.
• For AWD binding/warning complaints, exclude tire-circumference or wheel-speed mismatch before condemning transfer/differential hardware.

What should be verified first?

Model name alone is insufficient. Do not generalize parts fitment, chronic issues or service procedures until production period, market, platform/generation, powertrain, transmission and controller identity are matched.

Model family dossier → · Engine Atlas → · Transmission Atlas → · Recall →