The 2018 Toyota Prius C has 2 NHTSA recall campaigns affecting an estimated 483 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 9 complaints with NHTSA, most often about the unknown or other. Last updated July 5, 2026.
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.
Consequence
A loss of drive increases the risk of crash.
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.
EQUIPMENT18V1760002018-03-1519 affected
Defect
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…
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.
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.
Complaints by component
UNKNOWN OR OTHER
3
1injuries
ELECTRICAL SYSTEM
1
ENGINE
1
1crashes1injuries
POWER TRAIN
1
1crashes1injuries
STEERING
1
VEHICLE SPEED CONTROL
1
1crashes1injuries
VISIBILITY/WIPER
1
1injuries
Total complaints9
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“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…”
“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…”
“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…”
“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…”
“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…”
“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…”
“The pre-collision has never worked , took it in to toyota and they said it was good and that there was no way to test in real life . But it has not worked since car was new . There have been many times when there was a car very close stopped or moving slow in front of car and I am apparently ready…”
“While driving on the freeway with no other vehicles around me the moonroof unexpectedly exploded showering the interior with razor sharp shards of glass which inflicted a splinter. After contacting toyota, I was informed that moonroofs are not covered under warranty I have pictures on my phone of…”
Defect investigations
InvestigationDP22005 Opened 2023-01-27 · closed 2023-08-07
Pedestrian alert sounds
NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for…
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2018 Toyota Prius C as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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