9-Speed Automatic Transmission (ZF 9HP) Faults
SeriousGearbox & TransmissionThe ZF 9-speed automatic is notorious for rough shifting, hesitation, and a tendency to "hunt" for gears.
Most affected: All automatic models
Estimated cost: £250–£3,500Affects: 2014–2018Often appears around: 10,000–50,000 miles
Typical symptoms
- •Jerky gear changes
- •Hesitation when pulling away
- •Unexpected shifting into neutral
What to inspect before you buy
- ✓Check for the latest software updates (TCU flashes)
- ✓Test drive for smooth transitions between 2nd and 3rd gear