2021 Toyota Tundra technical service bulletins
135 technical service bulletins and manufacturer communications cover the 2021 Toyota Tundra.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the...
- Obsolete notice
- Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System...
- Condition in which a musty odor is present
- The air conditioning dye injection tool kit has been developed to aid in identifying the location of air...
- To assist with the early detection and early resolution of audio related concerns you may be asked to...
- Obsolete notice
- Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System...
- When certain vehicle ECUs are replaced, the ECU Security Key must be written in order for that ECU to...
- Obsolete notice
- Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical...
- To prevent brake rotor rust from forming during transportation and storage, wheel film will be used...
- The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix...
- Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal...
- Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad...
- Condition in which a musty odor is present
- This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for...
- Safety Recall and Service Campaign completion is an important part of our commitment to customer...
- Toyota plans to conduct Safety Recall and Service Campaign follow-up notifications to owners whose...
- Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal...
- When certain vehicle ECUs are replaced, the ECU Security Key must be written in order for that ECU to...
- This is to advise of various price adjustments that will affect Toyota Genuine Motor Oil and Long Life...
- Some 2018 ? 2022 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System...
- All 2020 ? 2023 model year 4Runner, 2018 ? 2022 model year Sequoia, 2018 ? 2023 model year Tacoma, and...
- Ti: technical instructions for 22TC01 data communication module (DCM) reprogramming certain 2021 model...
- The air conditioning dye injection tool kit has been developed to aid in identifying the location of air...
- TT: A very small percentage of customers experience operational difficulties with some telematics features...
- Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN...
- Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the...
- The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master...
- TT: To assist with the early detection and early resolution of audio related concerns, it may be requested...
- Some 2018 ? 2022 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System,...
- Condition in which a musty smell is present
- TT: Vehicles listed above equipped with a Denso Ten radio (Entune Audio Plus or Premium Audio) may exhibit...
- Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the...
- One or more of the following conditions: ?Barge in function defaulted to OFF. ?Limited phone book grammar
- When certain vehicle ECUs are replaced, the ECU security key must be written in order for that ECU to...
- Paint stains after the removal of Rapgard?. The paint stains may appear to be under the clear coat but are...
- TT: To improve customer support of telematics connected services features, additional resources have been...
- DL: Due to improper programming of the Data Communication Module (DCM), which provides cellular...
- Technical instructions for 22TC01 data communication module (DCM) reprogramming certain 2021 model year...
- SSC: Toyota Over-The- Air (OTA) Pilot Program Team Members SPECIAL SERVICE CAMPAIGN 22TC01
- TT: Vehicle control apps might not operate as expected at times due to preconditions (normal operating...
- TT: When customers have a concern about a discharged battery, no start, or general battery concern, the...
- Ssc: special service campaign 22TC01
- RL: Due to improper programming of the Data Communication Module (DCM), which provides cellular...
- TSB This Service Bulletin includes guidelines meant to help determine whether to repair or replace a wire...
- TT: Some customers may experience the inability to activate Remote Connect or Remote Connect becoming...
- POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground...
- Following condition: ?Distorted screen when using Apple CarPlay® while making a hands-free phone call
- One or more of the following conditions: ?WiFi intermittently inoperative
- TT: For some 2021 Tundra and Sequoia vehicles, there may appear to be an ATF leak from the bellhousing...
- ?High Transmission Fluid Temp? warning message on the instrument cluster Multi-information Display (MID)...
- TT: When used in conjunction with the Repair Manual, these Blind Spot Monitor, Forward Recognition Camera,...
- TT: Customer complaint of HVAC compressor ?Bang? type noise upon initial compressor engagement when air...
- Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery
- Updates to the 2014-2021 toyota universal flat rate manual
- One or more of the following conditions: ?Intermittent blank screen
- Toyota Safety Recall and Service Campaign
- Paint stains after the removal of Rapgard?. The paint stains may appear to be under the clear coat but are...
- Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN...
- TT: Vehicle control apps might not operate as expected at times due to preconditions (normal operating...
- One or more of the following conditions: ?WiFi intermittently inoperative
- Following concern: ?Distorted screen when using Apple CarPlay® while making a hands-free phone call
- All 2018 ? 2021 model year Sequoia, Tacoma, and Tundra and 2020 ? 2021 model year 4Runner vehicles are...
- TT: Some 2018-2021 model year Tundra vehicles may exhibit a front vibration when braking.
- Inoperative Apple CarPlay® with all iPhone® 12 models
- TT: Some vehicles may experience an issue related to the DCM, the following information is consolidating...
- A battery in a stored vehicle is subject to conditions that can reduce its performance and service life
- During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce...
- An initialization procedure is required to activate the Entune? 3.0 App Suite Connect for Audio, Audio...
- TT: Some 2020 ? 2021 model year C-HR, RAV4, RAV4 HV, Sequoia, Tundra and 2021 model year Avalon, Avalon...
- TT: HVAC drain tube is found to be blocked/clogged.
- This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for...
- 2021 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat...
- Pre-Delivery Service (PDS) is a critical step in satisfying our new car customers
- TT: The Toyota Quality group is looking to better understand our customers expectation regarding vehicle...
- Obsolete notice
- TMNA Accessory Sales and Marketing has developed a Toyota paint protection film (PPF) decal (treated with...
- All 2021 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor...
- TT: Repairing a 1234YF HVAC system on a gas powered (non-hybrid) Toyota vehicle may require additional...
- TT: Due to the challenges caused by the COVID-19 virus threat, some dealers are experiencing reduced...
- TT: The blind spot monitor (BSM) sensor angle inspection is used to confirm that the BSM sensor is within...
- Replacement vin plates.
- Product general information.
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