2020 Toyota Prius Electrical system Problems
- Complaints
- 2about this part
- Share
- 14%of 14 total for the year
- Median mileage
- 1,325miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the electrical system of the 2020 Toyota Prius, 14% of the 14 complaints for this model year. Where a mileage was given, the median is 1,325 miles. 1 of these say a crash was involved, according to the filers.
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 multi information display that shows the speed, fuel, and other driving metrics stopped working, I am not able to see how fast I am going, how much fuel is left, odometer or other items that is displayed there.”
NHTSA complaint #11319576, filed 2020-03, 1,325 miles“On May 16, 2023 I was slowly driving out of a market parking lot when the car suddenly accelerated, full throttle, and speeded across the street (Colusa Avenue, Berkeley, CA), crashing head on into a fence. Immediately after the crash, the dashboard displayed the following: Check Engine (!) A malfunction in the electronic control of the engine, throttle, or automatic transmission has been detected. Contact your Toyota dealer to have your vehicle inspected. The car was towed and is now at a body shop selected by my insurance company, AAA. …”
NHTSA complaint #11524726, filed 2023-05Related service bulletins
- 11028726Jan 30, 2026OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete. Please see T-SB-0001-26.
- 11028722Jan 28, 2026Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map…
- 11020657Jun 13, 2025The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service…
- 11019332Apr 2, 2025To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on…
- 11018329Apr 2, 2025To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on…
- 11003619Apr 11, 2024Customers have expressed concerns about the performance of Qi Wireless Chargers. Wireless chargers on applicable vehicles are designed to work with Qi Certified devices only…
- 11003564Apr 11, 2024Customers have expressed concerns about the performance of Qi Wireless Chargers. Wireless chargers on applicable vehicles are designed to work with Qi Certified devices only…
- 10251744Feb 1, 2024PANT: Toyota is pleased to announce to all field and dealer personnel that we have launched a new part number to the Toyota Complete Maintenance Care (TCMC) Program, effective…
- 10247820Nov 17, 2023TSB: Some 2016 ? 2023 model year Toyota vehicles may exhibit a hybrid system warning lamp occurring in below-freezing temperatures (below 32°F or 0°C). After performing a Health…
- 10247796Nov 1, 2023TSB: Some 2016 ? 2023 model year Toyota vehicles may exhibit a hybrid system warning lamp occurring in below-freezing temperatures (below 32°F or 0°C). After performing a Health…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 2 | 33% |
| 2025 | 6 | 38% |
| 2024 | 4 | 15% |
| 2023 | 5 | 24% |
| 2022 | 6 | 25% |
| 2021 | 1 | 17% |
| 2020 | 2 | 14% |
| 2019 | 4 | 13% |
| 2018 | 2 | 5% |
| 2017 | 11 | 12% |
| 2016 | 20 | 13% |
| 2015 | 27 | 16% |
| 2014 | 33 | 16% |
| 2013 | 52 | 13% |
| 2012 | 52 | 12% |
| 2011 | 68 | 13% |
| 2010 | 192 | 7% |
| 2009 | 60 | 12% |
| 2008 | 235 | 16% |
| 2007 | 248 | 12% |
| 2006 | 152 | 11% |
| 2005 | 178 | 17% |
| 2004 | 177 | 29% |
| 2003 | 13 | 13% |
| 2002 | 18 | 11% |
| 2001 | 27 | 16% |
Other parts of the 2020 Toyota Prius
5 complaintsBrakes
4 complaintsTires
2 complaintsAir bags
1 complaintsBack-over prevention (rear camera)
1 complaintsElectronic stability control
1 complaintsEngine
1 complaintsForward collision avoidance
1 complaintsFuel system
1 complaintsBody and structure
1 complaintsTransmission and drivetrain
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2020 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