Power Transfer Unit (PTU) Failure
SeriousGearbox & TransmissionThe PTU, which sends power to the rear wheels, is prone to internal spline wear or actuator failure.
Most affected: 4WD models
Estimated cost: £800–£1,500Affects: 2014–2019Often appears around: 40,000–80,000 miles
Typical symptoms
- •"Service 4WD" warning light
- •Grinding noise from front axle
- •4WD system won't engage
What to inspect before you buy
- ✓Scan for 4WD system fault codes
- ✓Check history for PTU replacements or software updates