12V Battery Drain and "Bricking"
SeriousElectrics & ElectronicsThe 12V battery can drain if the car sits for a few days or during scheduled charging, preventing the car from starting or even opening the electronic boot.
Estimated cost: £150–£400Affects: 2022–2024Often appears around: Linked to usage patterns
Typical symptoms
- •Car fails to wake up
- •Service EV System warning
- •Lost seat/mirror memory settings
What to inspect before you buy
- ✓Check battery health and type (prefer AGM)
- ✓Ask about software update history for 12V charging logic
- ✓Verify the car has been used regularly