2023 Toyota Prius Prime Transmission and drivetrain Problems
- Complaints
- 2about this part
- Share
- 33%of 6 total for the year
- Median mileage
- —not reported
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 2 complaints about the transmission and drivetrain of the 2023 Toyota Prius Prime, 33% of the 6 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The vehicle exhibits an unaddressed factory programming defect where the Plug-In Charge Control ECU fails to enter sleep mode while plugged in or resting. This causes continuous, heavy parasitic drain on the 12V auxiliary battery, causing chronic low-voltage state across critical systems. The 12V auxiliary network supplies power to the primary control units, CAN-bus communication modules, and dynamic stability systems. Operating under chronic low-voltage causes system instability, erratic sensor processing, voltage brownouts, and rapid degradation of the 12V battery. …”
NHTSA complaint #11758058, filed 2026-08“My 2023 Prius Prime cannot be charged normally in hot weather without triggering a thermal-protection fault on its high-voltage charging system. Avondale Toyota diagnosed it in writing: CODE P1CE996 CHARGER COOLING FAN REVOLUTION SENSOR COMPONENT INTERNAL FAILURE. THE ELECTRIC CHARGER ASSEMBLY HAS A INTERNAL OPEN CIRCUIT CAUSING IT TO BE INOP. RECOMMEND REPLACEMENT ADD PN# G9090-47061. Quote: $2,516.99 plus ~$200 diagnostic. The vehicle cannot verify its high-voltage charger's cooling fan is operating. In Phoenix heat (100F+), normal charging repeatedly sets the fault and check engine light. …”
NHTSA complaint #11750574, filed 2026-07Transmission and drivetrain: other model years
Other parts of the 2023 Toyota Prius Prime
3 complaintsExterior lighting
1 complaintsLatches, locks and linkages
1 complaintsSuspension
1 complaints
← All problems reported for the 2023 Toyota Prius Prime
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology