✓ The faults of this engine were checked against sources (10/2026). Each item has at least two independent sources or an official recall or parts-maker technical note.
On-board charger / DC-DC converter failure (Mahle unit, 2019-2024)
usually 20,000–150,000 km · High risk
model years 2019–2024 only
Signs: AC charging stops or will not start (car charges only at DC rapid chargers); sometimes 'traction chain fault' warning and the car will not start
Fix: Software update first, then a new charger unit coded to the VIN; ask the dealer about the extended charger warranty and open recalls before paying
€0–4,500
Sudden loss of drive or no start: battery management software recalls
usually 0–200,000 km · High risk
model years 2019–2023 only
Signs: Drive cuts out (usually at low speed) or the car will not go into Ready, with a drive system warning
Fix: Ask a dealer to check by VIN that the battery control unit software updates are done (about 30 minutes, free)
free / recall
A/C compressor fault can shut down the drive (software recall)
usually 0–200,000 km · Medium risk
model years 2019–2022 only
Signs: Drive system shuts down when the electric A/C compressor develops a fault
Fix: Check by VIN that the control unit software update is done; a failed compressor itself is replaced separately
free / recall
Early-build drive motor or HV heater faults (built to early 2021)
usually 0–100,000 km · High risk
model years 2019–2021 only
Signs: Warning light, 'electric traction system fault', power loss, stalling or no start
Fix: Dealer reads the codes and tests the motor and the high-voltage water heater insulation; a faulty motor or heater is replaced, usually under warranty
€0–4,000