2021 Toyota 4RUNNER Air bags Problems
- Complaints
- 1about this part
- Share
- 3%of 36 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the air bags of the 2021 Toyota 4RUNNER, 3% of the 36 complaints for this model year.
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.
“Saturday morning July 12th after starting my vehicle, a warning was presented “SRS AIRBAG SYSTEM MALFUNCTION”. I immediately took it to the dealership where they ran diagnostics. The service advisor admitted he nor his mechanic had ever seen anything like that before. They were unable to detect the issue that day. We planned to return the vehicle Thursday July 17. I dropped it off at 10am and never heard from the dealership again that day. Friday, July 18th I contacted the service advisor around 10 am to get an update in which he said they were looking into it. …”
NHTSA complaint #11674658, filed 2025-07Related service bulletins
- 10247828Nov 28, 2023TSB: All 2020 ? 2023 model year 4Runner, 2018 ? 2022 model year Sequoia, 2018 ? 2023 model year Tacoma, and 2018 ? 2021 model year Tundra vehicles are equipped with Pre-collision…
- 10244113Aug 17, 2023TSB: Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most…
- 10227898Nov 23, 2022TSB: Some 2005 ? 2022 model year Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty smell is present. Follow the procedures in this…
- 10210366Mar 3, 2022SSC: SPECIAL SERVICE CAMPAIGN 22TC01 Over-the-Air (OTA) pilot program. This pilot program would enable you to complete Special Service Campaign 22TC01 for DCM (Data Communication…
- 10209015Feb 24, 2022DL: Due to improper programming of the Data Communication Module (DCM), which provides cellular communication in various situations, including emergencies, the driver and Safety…
- 10207961Jan 28, 2022TSB: Some 2020 ? 2021 model year 4Runner vehicles may exhibit a squeal/squeak noise from the front brakes with light to moderate braking. Follow the Repair Procedure in this…
- 10190460Mar 17, 2021Toyota Safety Recall and Service Campaign - Technician Certification Requirements
- 10187245Dec 15, 2020TSB: All 2018 ? 2021 model year Sequoia, Tacoma, and Tundra and 2020 ? 2021 model year 4Runner vehicles are equipped with Pre-collision System (PCS) and Dynamic Radar Cruise…
Air bags: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 3 | 5% |
| 2024 | 2 | 20% |
| 2023 | 2 | 6% |
| 2022 | 6 | 15% |
| 2021 | 1 | 3% |
| 2020 | 5 | 15% |
| 2019 | 5 | 8% |
| 2018 | 8 | 13% |
| 2017 | 3 | 8% |
| 2016 | 10 | 12% |
| 2015 | 17 | 20% |
| 2014 | 8 | 10% |
| 2013 | 9 | 25% |
| 2012 | 70 | 73% |
| 2011 | 112 | 69% |
| 2010 | 92 | 63% |
| 2009 | 2 | 9% |
| 2008 | 4 | 4% |
| 2007 | 6 | 4% |
| 2006 | 24 | 6% |
| 2005 | 19 | 4% |
| 2004 | 37 | 5% |
| 2003 | 12 | 2% |
| 2002 | 9 | 4% |
| 2001 | 6 | 3% |
| 2000 | 13 | 3% |
| 1999 | 13 | 4% |
| 1998 | 7 | 3% |
| 1997 | 9 | 3% |
| 1996 | 9 | 6% |
| 1995 | 2 | 1% |
Other parts of the 2021 Toyota 4RUNNER
13 complaintsSuspension
10 complaintsBrakes
6 complaintsWheels
4 complaintsElectrical system
3 complaintsExterior lighting
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsBack-over prevention (rear camera)
2 complaintsForward collision avoidance
2 complaintsOther or unknown
2 complaintsFuel system
1 complaintsLatches, locks and linkages
1 complaints
← All problems reported for the 2021 Toyota 4RUNNER
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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