Power Electronic Box (PEB) Failure
SeriousEngineThe PEB (Inverter) converts DC from the battery to AC for the motor. Failure symptoms often start with intermittent power loss or unusual whining noises before total vehicle immobilisation.
Most affected: All Zoe models
Typical symptoms
- •"Electric Motor Failure" warning
- •Sudden loss of power while driving
- •High-pitched electrical whine
- •Car stuck in "P"
What to inspect before you buy
- ✓Listen for unusual electrical whining under heavy acceleration
- ✓Check service history for inverter/PEB cooling fluid changes (critical every 4 years)
- ✓Scan for DTCs related to isolation faults