There are 1 stored owner reports matching the electrical system leading-label group for the 2023 Toyota Prius Prime in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 1 of 1 matching reports.
Open the full vehicle complaint log (all categories)There is an unexplained loss of 12V power from the 12V battery, and the car will not start. This was reported to the local Toyota dealership on 12/5/25. The car had to be jumped in order to drive it to the dealership/service department. They said the 12V battery was fully charged when they inspected it and there was no parasitic drain on the the battery. They inspected the battery again on 12/30/25 during a routine scheduled service and the 12V battery was good. We have since experienced the inability to start the car on the following dates: 1/10/2026, 2/5/2026, 2/20/2026, 2/22/2026, 2/23/2026. On each of the before mentioned incidents that car had to be jumped by an auxiliary battery pack to get the car to start. We have contact the Toyota dealership again and have a scheduled appointment for 2/25/2026. The dealership had told us that the battery has check out good earlier and they can't replace the 12V battery under the 3 year/36,000 warranty and will need to get Toyota Corporation involved. The car presently has 31,682 miles and it was purchased on 9/19/2023.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 29, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.