ERAD (Electric Rear Axle Drive) Failure
SeriousGearbox & TransmissionPlug-in hybrid (Recharge/T8) models can suffer from rear electric motor failure, often caused by internal coolant ingress or bearing wear. This is a "known issue" on the SPA platform where coolant leaks into the motor housing, eventually shorting the unit or destroying the bearings.
Most affected: T6 Recharge, T8 Recharge, Twin Engine models
Typical symptoms
- •High-pitched whining or grinding from the rear
- •"Propulsion System Service Required" warning
- •Total loss of electric-only drive mode
What to inspect before you buy
- ✓Drive in pure electric mode and listen for rear-axle noise
- ✓Check for hybrid system warnings
- ✓Ask if the ERAD has the improved "Gen 2" motor or has had a coolant-seal inspection