2021 Toyota RAV4 electrical system problems
47 owner complaints filed with NHTSA name the electrical system on the 2021 Toyota RAV4 — 12% of all complaints for this model year.
What owners report
“I have a faulty coolant bypass valve on my 2021 Toyota RAV4. Every time I turn on the air conditioning the service engine required comes up on my notifications a known recall problem for Toyota RAV4’s of this year”
filed Sep 5, 2026
“2021 Toyota RAV4 (gas model) has experienced a sudden, unexpected engine stall/shutdown on a public road. The incident occurred while shifting into Drive after backing up in reverse. The engine immediately died without any prior dashboard warning lights or mechanical symptoms. The information…”
filed Aug 17, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete. Please see T-SB-0001-26.
T-SB-0106-22 Rev2 · Service Bulletin/Repair Instructions · issued Jan 30, 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, points of interest, and system software.
T-SB-0001-26 · Service Bulletin/Repair Instructions · issued Jan 28, 2026Some RAV4 vehicles power seat where the automatic seat adjustment by the memory function does not work.
T-TT-0797-26 · Service Bulletin/Repair Instructions · issued Jan 12, 2026Although the HV Floor Under Wire Harness and Rear Traction Motor Cable is covered by Toyota’s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), we at Toyota care about the customers’…
22TE09 · Service Campaign · issued Sep 17, 2025Some 2021 – 2022 model year Avalon, 2018 – 2024 Camry, 2019 – 2025 model year Corolla, 2022 – 2025 model year Corolla Cross, and 2019 – 2025 model year RAV4 vehicles with A25A-FKS and M20A-FKS engines may have a MIL ON…
T-SB-0010-24 Rev2 · Service Bulletin/Repair Instructions · issued Jun 25, 2025
Electrical System problems in other RAV4 years
| Year | Reports | Share |
|---|---|---|
| 2025 RAV4 | 15 | 17% |
| 2024 RAV4 | 32 | 18% |
| 2023 RAV4 | 41 | 27% |
| 2022 RAV4 | 38 | 26% |
| 2020 RAV4 | 119 | 19% |
| 2019 RAV4 | 102 | 12% |
| 2018 RAV4 | 129 | 39% |
| 2017 RAV4 | 108 | 35% |
| 2016 RAV4 | 59 | 25% |
| 2015 RAV4 | 84 | 28% |
| 2014 RAV4 | 69 | 35% |
| 2013 RAV4 | 75 | 29% |
Other reported problem areas on the 2021 Toyota RAV4
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.