2020 Toyota 4RUNNER problems & reliability
33 owner complaints filed with NHTSA for the 2020 Toyota 4RUNNER, alongside 1 safety recall campaign. Last verified Sep 22, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several components.
2 complaints report injuries (4 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Unknown / Other | 8 | 24% |
| Air Bags | 5 | 15% |
| Service Brakes | 5 | 15% |
| Steering | 4 | 12% |
| Suspension | 4 | 12% |
| Back Over Prevention | 3 | 9% |
| Forward Collision Avoidance | 3 | 9% |
| Exterior Lighting | 2 | 6% |
| Structure | 2 | 6% |
| Wheels | 2 | 6% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 16 reported components →Complaints by incident year
What owners report
“The door actuator have been replaced a minimum of eight times. Huge safety risk involved since we never know if the vehicle is going to lock. Toyota continues to replace them but not addressing the underlying issue. Not sure if this is all related but the blower motor has been replaced 3- 4 times and the battery has…”
Visibility · filed Aug 28, 2026
“Driver side headlight goes out approximately every 6 months. Sometimes the light only has to be “wiggled” in its connection and the light comes back on. Sometimes the light must be replaced. The light has also exploded when my spouse was attempting to replace the lightbulb. A friend has a 2014 Toyota 4 runner and the…”
Exterior Lighting · filed Aug 25, 2026
“The contact owns a 2020 Toyota 4Runner. The contact stated that after starting the vehicle and reversing, the rearview camera intermittently displayed a blank image. No warning light was illuminated. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was made aware of the…”
Back Over Prevention · filed Mar 30, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
158 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2020 Toyota 4RUNNER. The 10 most recent:
Some 2019 – 2024 model year 4Runner vehicles may exhibit an abnormal noise that may be described as cracking, clicking, or creaking from the driver and/or passenger front seat cushion track. This condition may occur…
T-SB-0002-25 Rev1 · Service Bulletin/Repair Instructions · issued Aug 10, 2026
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, 2026
Some 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, 2026
Some 2005 – 2026 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The…
T-SB-0055-24 Rev2 · Service Bulletin/Repair Instructions · issued Jan 7, 2026
The 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 Bulletin aid in locating, inspecting, and…
T-SB-0058-23 Rev1 · Service Campaign · issued Jun 13, 2025
To 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 how to retrieve the data from the system…
T-TT-0780-25 · Service Bulletin/Repair Instructions · issued Apr 2, 2025
To 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 how to retrieve the data from the system…
T-TT-0780-25 · Service Bulletin/Repair Instructions · issued Apr 2, 2025
Some 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-0106-22 Rev2 · Service Bulletin/Repair Instructions · issued Feb 11, 2025
Some 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-0106-22 Rev2 · Service Bulletin/Repair Instructions · issued Feb 11, 2025
Some 2019 – 2024 model year 4Runner vehicles may exhibit a cracking noise from the driver and/or passenger front seat cushion track. This condition may occur when the front seat cushion track is at the rearmost position.
T-SB-0002-25 · Service Bulletin/Repair Instructions · issued Jan 7, 2025
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2020 Toyota 4RUNNER has 1 NHTSA recall campaign — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2020 Toyota 4RUNNER?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.