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Electrical systemPart report

2018 Toyota Prius Electrical system Problems

Complaints
2about this part
Share
5%of 37 total for the year
Median mileage
19,100miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the electrical system of the 2018 Toyota Prius, 5% of the 37 complaints for this model year. Where a mileage was given, the median is 19,100 miles. 1 recall campaign on record is filed under a similar system.

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.

“Error codes p0113 and p0102 and warning messages for check engine and ics malfunction* lappeared when starting the garaged vehicle in approximately 55f room temperature. Toyota of escondido and Toyota's customer care telephone center explained that they will not inspect (although under the 3-year/36,000 miles warranty) without a service fee. Online, reports that a failing 12v battery may cause multiple codes to be triggered were also met with a request for a $110 diagnostic fee. The battery is also under the 3-year/36,000 mile warranty. …”

NHTSA complaint #11296751, filed 2020-01, 19,100 miles

“Driver door lock actuator not working. This seems to be a common problem for Toyota over the last decade, but they yet to put more vehicles to their recall list. Actuator just stopped working. I have to use key out of FOB to manually open. This is a safety issue if I’m trying to get in my car quickly for safety reasons and it does not open.”

NHTSA complaint #11683274, filed 2025-08

Related recalls

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2026233%
2025638%
2024415%
2023524%
2022625%
2021117%
2020214%
2019413%
201825%
20171112%
20162013%
20152716%
20143316%
20135213%
20125212%
20116813%
20101927%
20096012%
200823516%
200724812%
200615211%
200517817%
200417729%
20031313%
20021811%
20012716%

Other parts of the 2018 Toyota Prius

Other or unknown
6 complaints
Visibility (wipers, defrost, mirrors)
6 complaints
Exterior lighting
5 complaints
Brakes
4 complaints
Vehicle speed control
4 complaints
Air bags
3 complaints
Engine
3 complaints
Engine cooling
3 complaints
Body and structure
3 complaints
Fuel system
2 complaints
Seats
2 complaints
Transmission and drivetrain
2 complaints

← All problems reported for the 2018 Toyota Prius

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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