NHTSA vehicle safety data
2018 Toyota Prius C Recalls, Ratings & Complaints
The 2018 Toyota Prius C has 2 NHTSA recall campaigns and 6 owner complaints on file as of November 3, 2026. Recall repairs are usually free at an authorized Toyota dealer.
NHTSA recall and complaint data for the 2018 Toyota Prius C, plus NCAP crash-test ratings. Recall data is refreshed daily from NHTSA.
2018 Toyota Prius C owner complaints
Owners have filed 6 complaints with NHTSA about the 2018 Toyota Prius C, describing incidents dated October 1, 2018 to July 3, 2023.
Most-cited components
- Unknown or Other 3 complaints
- Electrical System 1 complaint
- Engine 1 complaint
- Power Train 1 complaint
- Steering 1 complaint
- Vehicle Speed Control 1 complaint
Of the 6 complaints on file, 1 reports a crash; across all 6 complaints, owners report 3 injuries (owner-reported, not verified by NHTSA).
Newest complaints
ODI #11530344 · Filed
I entered a large, strip mall parking area and was driving at the vastly reduced speed one would use in such a situation. My intention was to park my car to enter a store in the mall. I turned a corner to park on the side of the building (parking options were limited). As I entered a parking space…
ODI #11442218 · Filed
Certain 2018+ and all later Toyota Prius C modes have a 12V battery for which there is currently no OEM or aftermarket replacement. The battery has a form factor (shape and size) that is exclusive to these vehicles and not used in any other car sold in North America. Vehicles with failed batteries…
ODI #11361389 · Filed
IRECEIVED THE WARNING THAT "PRE-COLLISION SYSTEM MALFUNCTION" WHILE I WAS DRIVING ON THE HIGHWAY THIS MORNING. THE WARNING MESSAGE ASKED ME TO STOP THE CAR AT A SAFE PLACE AND VISIT THE DEALER. AS SOON AS I GOT OFF THE HIGHWAY, THE CAR STOPPED ITSELF, AND THE STEERING WAS LOCKED. THE CAR WAS…
NHTSA defect investigations
NHTSA's investigations file lists the 2018 Toyota Prius C in 1 investigation. A listed model year means only that an investigation names it; it says nothing about any particular vehicle. An open investigation is not a finding that a safety defect exists, and NHTSA can close one without a recall.
- Defect Petition DP22-005: Pedestrian alert sounds
Closed August 7, 2023
DC-DC Converter may Fail
NHTSA #19V491000 · Hybrid Propulsion System · NHTSA notice
Reported June 26, 2019 · Toyota Motor Engineering & Manufacturing
Potentially affected: 464 vehicles
Repair completion: 85.56% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Toyota campaign K0K · Owners notified August 23, 2019 · Vehicles built February 6, 2018 – October 4, 2018 (per NHTSA)
Defect description
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.
Safety consequence
A loss of drive increases the risk of crash.
Manufacturer remedy
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.
Notes
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.
Missing Air Bag Label/FMVSS 208
NHTSA #18V176000 · Equipment — Other — Labels · NHTSA notice
Reported March 15, 2018 · Toyota Motor Engineering & Manufacturing
Potentially affected: 19 vehicles
Repair completion: 100% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Toyota campaign J0L · Owners notified April 11, 2018 · Vehicles built July 24, 2017 – October 16, 2017 (per NHTSA)
Defect description
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018 Toyota Prius C vehicles sold in Puerto Rico. The front passenger air bag and recommended child occupant seating positions label may not have been attached during assembly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection."
Safety consequence
If the label is missing, occupants may not follow the proper restraint usage guidelines, increasing the risk of injury in the event of a crash.
Manufacturer remedy
Toyota will notify owners and will mail the removable labels to all known owners of the subject vehicles, free of charge. The recall began on April 11, 2018. Owners may contact Toyota customer service at 1-888-270-9371. Toyota's number for this recall is J0L.
Notes
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.
Other Toyota Prius C model years
Check your 2018 Toyota Prius C VIN
Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Toyota Prius C at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.
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