Question 1

Weak 12V auxiliary battery (64 kWh)

Accepted Answer

On electric and hybrid vehicles the 12V auxiliary battery powers the start-up electronics; when it weakens, the car may not go into Ready mode, show random warnings or refuse to charge. It is more common with infrequent use and after 4-6 years.

Question 2

On-board charger or charging unit failure (64 kWh)

Accepted Answer

The on-board charger or integrated charging control unit can fail, so the car stops charging on AC wallboxes, shows a charging fault or drains the 12V battery. Manufacturers issued recalls and software updates for some batches.

Kia Niroe-Niro

Known issues and common problems

Kia Niroe-Niro

Known issues and common problems

Weak 12V auxiliary battery (64 kWh)1 solutionsLow

On-board charger or charging unit failure (64 kWh)1 solutionsMedium