Technical Service Bulletins For 2021 TOYOTA 4RUNNER
Here are the technical service bulletins we have for the 2021 TOYOTA 4RUNNER. If you have any questions, do not hesitate to Contact Us:
Technical Service Bulletins
Technical Service Bulletin #T-SB-0028-20
This 2021 TOYOTA 4RUNNER Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10173974
Date Of Bulletin
20200323
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
TSB All 2021 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position. In addition, some models may also utilize retainers for passenger side and rear seat floor mats. Duri
Technical Service Bulletin #T-TT-0606-20
This 2021 TOYOTA 4RUNNER Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10174921
Date Of Bulletin
20200423
Failing Component Name
350000 EQUIPMENT
Description
TT: Due to the challenges caused by the COVID-19 virus threat, some dealers are experiencing reduced traffic into their stores and causing dealer stock to age. Due to this situation, dealers are reminded and recommended to follow the Long-T
Technical Service Bulletin #T-TT-0537-19_Rev
This 2021 TOYOTA 4RUNNER Technical Service Bulletin affects the 270000 LANE DEPARTURE
NHTSA #10174896
Date Of Bulletin
20200409
Failing Component Name
270000 LANE DEPARTURE
Description
TT: The blind spot monitor (BSM) sensor angle inspection is used to confirm that the BSM sensor is within the specified angle before performing axis beam adjustment. When used in conjunction with the repair manual, these BSM tips leverage
Technical Service Bulletin #T-TT-0537-19_Rev
This 2021 TOYOTA 4RUNNER Technical Service Bulletin affects the 130000 VISIBILITY
NHTSA #10174896
Date Of Bulletin
20200409
Failing Component Name
130000 VISIBILITY
Description
TT: The blind spot monitor (BSM) sensor angle inspection is used to confirm that the BSM sensor is within the specified angle before performing axis beam adjustment. When used in conjunction with the repair manual, these BSM tips leverage
Technical Service Bulletin #T-SB-0035-20
This 2021 TOYOTA 4RUNNER Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10174901
Date Of Bulletin
20200414
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
TSB: A battery in a stored vehicle is subject to conditions that can reduce its performance and service life. These conditions include storage period, temperature, parasitic drain, and battery load. Because of these factors, battery inspect
Technical Service Bulletin #T-SB-0037-20
This 2021 TOYOTA 4RUNNER Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10174902
Date Of Bulletin
20200414
Failing Component Name
350000 EQUIPMENT
Description
TSB: Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage cond
Technical Service Bulletin #T-SB-0039-20
This 2021 TOYOTA 4RUNNER Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10174904
Date Of Bulletin
20200415
Failing Component Name
350000 EQUIPMENT
Description
TSB: An initialization procedure is required to activate the Entune? 3.0 App Suite Connect for Audio, Audio Plus, and Premium Audio head units before they are used for the first time on new vehicles. The initialization procedure may also be






































