Service bulletins for the 2021 Toyota Highlander
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
231 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Air bags are shown. Show all
| TSB005923 | 2023-10-16. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM; AIR BAGS. TSB: Some drivers of 2020 ? 2022 model year Highlander Hybrid vehicles may be sensitive to the momentary transition from regenerative braking to hydraulic braking under certain driving conditions, such as while driving downhill, or turning with light brake pedal application. The brake actuator control module can be updated to improve brake feeling for this condition. Follow the Repair Procedure in this bulletin to address this condition. |
|---|---|
| TSB003220 | 2023-10-16. Service bulletin. VEHICLE SPEED CONTROL; AIR BAGS; EQUIPMENT. TSB: 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 1979 ? 2023 model year vehicles may be available provided the requests meet the criteria listed in this Service Bulletin. Follow the Procurement Procedure in this bulletin to request a replacement certification label or VIN plate. |
| T-SB-0094-21 Rev | 2022-12-19. Service bulletin. AIR BAGS. TSB: 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 bulletin to remediate the odor and address this condition. The purpose of this service bulletin is to provide general guidelines and procedures for odor remediation. This service bulletin provides a guide on how to prepare the interior of the vehicle prior to an odor remediation being performed, as well as contact information for an approved vendor who will arrange the remediation, and instructions on how to prepare the interior of the vehicle for reassembly once the remediation has been completed. Refer to all model and model year specific Repair Manuals and the EPA (Environmental Protection Agency) website for the most up-to-date safety and precautionary guidelines. This service bulletin is to provide a general overview and direction for the odor remediation process. |
| 22TC01 Team Memb | 2022-04-18. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM; SEAT BELTS. SSC: 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 Module) Reprogramming for Safety Connect, which includes your vehicle. With your active telematics account, you are encouraged to complete this campaign using this Over-the-Air (OTA) update by following these steps: 1) To complete this update, each Team Member will use the Toyota/Lexus App installed on their phone. 2) Within a few days of this E-Mail, we will send a notification to your Toyota/Lexus app to schedule and install the update on your vehicle. 3) Click on either the notification on your lock screen or the tile in the app to review the update and then continue in the App to approve the update. 4) The night after you approve the update, the telematics module will perform the update, and you will receive a confirmation notification through the app. |
| 22TC01 Dealer Le | 2022-03-14. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS. DL: Due to improper programming of the Data Communication Module (DCM), which provides cellular communication in various situations, including emergencies, the driver and Safety Connect operator may not be able to hear each other?s voices during a Safety Connect call |
| T-SB-0008-22 | 2022-03-14. Service bulletin. AIR BAGS; LANE DEPARTURE. TSB: Some 2020 ? 2021 model year Highlander Hybrid vehicles may exhibit one or more of the following conditions: ?The fuel gauge displays less than full when the fuel nozzle automatically clicks off. ?The total amount of fuel dispensed while refueling is less than expected when the fuel nozzle automatically clicks off. ?The Low Fuel warning light illuminates sooner than expected. Additionally, the distance to empty mileage displayed in the Multi-Information Display (MID) may be less than expected. To address these concerns an updated fuel tank, fuel gauge bracket, and fuel sender gauge assembly were developed. Follow the procedures in this bulletin to address these conditions |
| Toyota Safety Re | 2021-04-19. Service bulletin. AIR BAGS. Toyota Safety Recall and Service Campaign - Technician Certification Requirements |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.