2018–2019 Toyota Prius C Recall: DC-DC converter may fail resulting in the auxiliary battery no longer…
NHTSA campaign 19V491000 · Hybrid Propulsion System · filed Jun 26, 2019 · verified Jul 30, 2026
The defect
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2019 Prius C vehicles. The DC-DC converter may fail resulting in the auxiliary battery no longer receiving power from the converter, which may cause a loss of drive.
The risk
A loss of drive increases the risk of crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Toyota will notify owners, and dealers will replace the DC-DC converter with a new one, as necessary, free of charge. The recall began August 23, 2019. Owners may contact Toyota customer service at 1-888-270-9371. Toyota's number for this recall is K0K.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Affected vehicles
Related recalls
More Toyota Prius C recalls
Other campaigns involving Toyota vehicles
Source: NHTSA recall database, campaign 19V491000 (manufacturer number K0K). Data last verified Jul 30, 2026.