2021 Toyota C-HR Technical Service Bulletins

106 technical service bulletins (TSBs) are on record for the 2021 Toyota C-HR. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10214347Mar 24, 2022Equipment. TT: Vehicle control apps might not operate as expected at times due to preconditions (normal operating parameters) not being established, vehicle settings and/or network/cellular coverage concerns
• 10210373Mar 8, 2022Electrical system. TT: When customers have a concern about a discharged battery, no start, or general battery concern, the DCA-8000 is the only appropriate tool to use for diagnosis
• 10210366Mar 3, 2022Electrical system, Air bags, 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…
• 10210365Mar 3, 2022Electrical system. TT: Vehicle control apps might not operate as expected at times due to preconditions (normal operating parameters) not being established, vehicle settings and/or network/cellular coverage concerns
• 10209017Feb 24, 2022Electrical system. Ti: technical instructions for 22tc01 data communication module (dcm) reprogramming certain 2021 model year c-hr, rav4 prime, tundra certain 2021-2022 4runner, highlander, highlander hv, prius prime, sequoia, tacoma certain 2022 prius
• 10209016Feb 24, 2022Electrical system. RL: 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.
• 10209015Feb 24, 2022Electrical 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
• 10208995Feb 1, 2022Seats. TSB: Some 2010 ? 2022 model year Toyota vehicles may exhibit paint stains after the removal of Rapgard?. The paint stains may appear to be under the clear coat but are usually under wrinkles in the Rapgard?. The wrinkles may trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces such as the hood, roof, and trunk. Follow the Repair Procedure in this bulletin to address…
• 10207958Jan 20, 2022Electrical system. TT: Some customers may experience the inability to activate Remote Connect or Remote Connect becoming inoperative when attempting to send commands to the vehicle. To simplify the diagnosis of this system and prevent the unnecessary replacement of parts, please refer to the procedure below.
• 10207946Jan 12, 2022Wheels, Tires, Equipment. POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Toyota. This information must be kept near the point of vehicle sale and be available to any customer that requests it. Customers can find this information on the Owner?s section of Toyota.com. Dealers can locate a copy of this guide on the Claims Processing & Resource Center…
• 10202452Sep 3, 2021Visibility (wipers, defrost, mirrors), Lane departure. TT: When used in conjunction with the Repair Manual, these Blind Spot Monitor, Forward Recognition Camera, and Front Millimeter Wave Radar tips leverage SSTs and readily available tools to support target placement in varying shop environments.
• 10201400Jul 26, 2021Equipment. TSB: Some 2006 ? 2022 model year Toyota vehicles in particular geographic areas may exhibit a condition where the HVAC evaporator drain hose has become obstructed with an insect nest. An insect repellent drain hose tip (ARINIX® Tip) is available to help minimize future occurrences of this environmental condition. For some models, a new drain hose is required to properly fit the ARINIX® Tip. Follow the procedures in…
• 10201366Jul 8, 2021Seat belts, Equipment. DD: Certain 2021 Model Year C-HR Incorrect Programming for Rear Seat Belt Reminder Indicator
• 10201364Jul 8, 2021Equipment, Seat belts. TI TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 21TC04 Incorrect Programming for Rear Seat Belt Reminder Indicator CERTAIN 2021 Model Year C-HR
• 10201363Jul 8, 2021Seat belts, Electrical system. RL: The subject vehicles are equipped with a rear seat belt reminder system that illuminates indicators temporarily after the ignition is turned on if rear seat belts are not buckled. Due to incorrect programming in a certain electronic control unit, certain situations can cause the rear seat belt reminder system not to illuminate the indicator as designed.
• 10201362Jul 8, 2021Seat belts, Electrical system. DP: The subject vehicles are equipped with a rear seat belt reminder system that illuminates indicators temporarily after the ignition is turned on if rear seat belts are not buckled. Due to incorrect programming in a certain electronic control unit, certain situations can cause the rear seat belt reminder system not to illuminate the indicator as designed.
• 10201361Jul 8, 2021Seat belts. DE: The subject vehicles are equipped with a rear seat belt reminder system that illuminates indicators temporarily after the ignition is turned on if rear seat belts are not buckled. Due to incorrect programming in a certain electronic control unit, certain situations can cause the rear seat belt reminder system not to illuminate the indicator as designed.
• 10201360Jul 8, 2021Seat belts. RE: The subject vehicles are equipped with a rear seat belt reminder system that illuminates indicators temporarily after the ignition is turned on if rear seat belts are not buckled. Due to incorrect programming in a certain electronic control unit, certain situations can cause the rear seat belt reminder system not to illuminate the indicator as designed.
• 10201351Jul 6, 2021Equipment. 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 conditions. Long-term storage can affect a vehicle?s systems and components. Any problems that are found should be corrected immediately.
• 10198150May 24, 2021Equipment. Updates to the 2014-2021 toyota universal flat rate manual
• 10198127May 7, 2021Electrical system, Equipment. TT: To assist with the early detection and early resolution of audio related concerns, it may be requested as part of the remanufactured head unit return to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by audio suppliers, FTS, and/or FPEs.
• 10198104May 3, 2021Equipment, Electrical system. TSB: Some 2020 ? 2021 model year vehicles equipped with Audio, Audio Plus, or Premium Audio (versions 1784) or earlier may exhibit one or more of the following conditions: ?Intermittent blank screen. ?Navigation map update fails. ?Album art inoperative. ?Pause function intermittently inoperative in CD mode. ?Intermittent DTC B15FE present. ?Abnormal energy flow screen appearance on Hybrid models. ?Abnormal phone…
• 10190460Mar 17, 2021Air bags. Toyota Safety Recall and Service Campaign - Technician Certification Requirements
• 10190448Mar 5, 2021Seats. TSB: Some 2010 ? 2021 model year Toyota vehicles may exhibit paint stains after the removal of Rapgard?. The paint stains may appear to be under the clear coat but are usually under wrinkles in the Rapgard?. The wrinkles may trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces such as the hood, roof, and trunk. Follow the Repair Procedure in this bulletin to address…
• 10188913Feb 3, 2021Equipment. 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 ? 2021 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.
• 10187264Jan 20, 2021Back-over prevention (rear camera). TT: Vehicle control apps might not operate as expected at times due to preconditions (normal operating parameters) not being established, vehicle settings and/or network/cellular coverage concerns.
• 10184554Nov 19, 2020Electrical system. TSB: Some 2020 ? 2021 model year C-HR, RAV4, RAV4 HV, Sequoia, Tundra and 2021 model year Avalon, Avalon HV, Prius, Prius Prime, and RAV4 Prime vehicles may exhibit inoperative Apple CarPlay® with all iPhone® 12 models. An updated USB port is available to address this condition. Follow the Repair Procedure in this bulletin to address this condition.
• 10184549Nov 13, 2020Equipment, Electrical system. TT: Some vehicles may experience an issue related to the DCM, the following information is consolidating the available diagnostic information in one document.
• 10183284Oct 22, 2020Electrical system. 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 performed under other circumstances, such as following a head unit replacement or after the customer?s personal settings are erased.
• 10183283Oct 22, 2020Wheels, Other or unknown. TSB: During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting. If the wheels are replaced or refinished before vehicle delivery, it is important that the tires remain on the vehicle in the same location and in the same direction of rotation. Refer to the Tire Positioning Procedure in this bulletin to ensure that the original tires stay…
• 10183282Oct 22, 2020Equipment. 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 inspection and maintenance are required in order to ensure proper operation and optimal battery life. As a matter of policy, Toyota does not provide battery warranty coverage for…
• 10183281Oct 21, 2020Engine cooling. TT: HVAC drain tube is found to be blocked/clogged.
• 10183273Oct 20, 2020Equipment. 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 conditions. Long-term storage can affect a vehicle?s systems and components. Any problems that are found should be corrected immediately.
• 10183188Oct 16, 2020Equipment, Engine cooling. TSB: This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 ? 2021 model year Toyota vehicles.
• 10182981Oct 9, 2020Equipment. TSB: 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. During Pre-Delivery Service (PDS), follow the appropriate Installation Procedure to attach the driver side, and if applicable, the passenger side and rear seat floor mats to the vehicle…
• 10179776Aug 15, 2020Electrical system, Equipment. TSB: Pre-Delivery Service (PDS) is a critical step in satisfying our new car customers. Customer feedback indicates the following areas deserve special attention when performing PDS: ?Careful inspection for paint chips/scratches and body dents/dings. ?Proper operation of electrical accessories (including interior light, clock, and radio reset). ?Interior cleanliness. ?Proper function of mechanical systems.
• 10179732Aug 15, 2020Equipment, Electrical system. TSB: Pre-Delivery Service (PDS) is a critical step in satisfying our new car customers. Customer feedback indicates the following areas deserve special attention when performing PDS: ?Careful inspection for paint chips/scratches and body dents/dings. ?Proper operation of electrical accessories (including interior light, clock, and radio reset). ?Interior cleanliness. ?Proper function of mechanical systems.
• 10179690Aug 3, 2020Equipment. TSB: OBSOLETE NOTICE August 3, 2020: This bulletin is no longer applicable and is now obsolete.
• 10179594Aug 3, 2020Equipment. TSB: OBSOLETE NOTICE August 3, 2020: This bulletin is no longer applicable and is now obsolete.
• 10178527Jul 31, 2020Wheels, Other or unknown. TSB: During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting. If the wheels are replaced or refinished before vehicle delivery, it is important that the tires remain on the vehicle in the same location and in the same direction of rotation. Refer to the Tire Positioning Procedure in this bulletin to ensure that the original tires stay…
• 10178526Jul 31, 2020Body and structure, Equipment. 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. During Pre-Delivery Service (PDS), follow the appropriate Installation Procedure to attach the driver side, and if applicable, the passenger side and rear seat floor mats to the…
• 10178525Jul 31, 2020Body and structure. TSB: TMNA Accessory Sales and Marketing has developed a Toyota paint protection film (PPF) decal (treated with a specially developed light adhesive) for 2021 model year Toyota vehicles. The decal comes in two sizes (2.8 in. x 8 in. and 4 in. x 8 in.) for small and large hoods and will be applied to the top of PPF for all series at TLS accessory installation facilities. The decal is intended to stay affixed to the…
• 10178538Jul 27, 2020Equipment. 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 inspection and maintenance are required in order to ensure proper operation and optimal battery life. As a matter of policy, Toyota does not provide battery warranty coverage for…
• 10178537Jul 27, 2020Equipment. 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 conditions. Long-term storage can affect a vehicle?s systems and components. Any problems that are found should be corrected immediately.
• 10178536Jul 27, 2020Electrical system. 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 performed under other circumstances, such as following a head unit replacement or after the customer?s personal settings are erased.
• 10177779Jun 23, 2020Engine cooling. TT: Repairing a 1234YF HVAC system on a gas powered (non-hybrid) Toyota vehicle may require additional compressor oil to complete the repairs. The various 1234YF compressor oils (ND-12, PS-D1, or VC100YF) are available through the Toyota Approved Dealer Equipment website.
• 10176704May 28, 2020Equipment, Body and structure. TT: Unibody vehicles commonly have lashing holes on the under body used for securing the vehicle during logistics -The lashing holes are intended to be plugged during Pre-Delivery Service (PDS) -The plugs are: oRequired for anti-corrosion purposes oUsually located in the glove box prior to PDS -The number of plugs may be different based on model and production location
• 10176504May 18, 2020Electrical system, Equipment. TT: To assist with the early detection and early resolution of audio related concerns, it may be requested as part of the remanufactured head unit return to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by audio suppliers, FTS, and/or FPEs.
• 10174921Apr 23, 2020Equipment. 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.
• 10174904Apr 15, 2020Equipment. 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 performed under other circumstances, such as following a head unit replacement or after the customer?s personal settings are erased.

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