2021 Toyota RAV4 Prime Technical Service Bulletins

192 technical service bulletins (TSBs) are on record for the 2021 Toyota RAV4 Prime. 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.

• 10206537Dec 23, 2022Engine cooling. TSB: Some 2021 model year RAV4 Prime vehicles may store Diagnostic Trouble Code (DTC) P1CE931 (Charger Cooler Fan Revolution Sensor No Signal). Some vehicles may also exhibit a longer charging period or reduced charging efficiency. The charger assembly plug-in logic has been modified to reduce the possibility of these conditions. Follow the Repair Procedure in this bulletin to address these conditions.
• 10230376Dec 19, 2022Equipment. 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.
• 10230365Dec 14, 2022Electrical system, Fuel system, Visibility (wipers, defrost, mirrors). TSB: Some 2021 model year RAV4 Prime vehicles may exhibit one or more of the following conditions: ?The climate control system is NOT cooling or heating. ?MIL ON with one or more of the following Diagnostic Trouble Code(s) (DTC[s]): oP15017A ? Hybrid/EV battery cooling refrigerant gas fluid leak or seal failure. oP1B8314 ? Hybrid/EV battery pack refrigerant pressure sensor ?a? circuit high circuit short to…
• 10230360Dec 7, 2022Equipment. TSB: Some 2018 ? 2022 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. The SST is used with applicable vehicles to deliver the update, however, the process for generating license keys differs from previous generations.
• 10220227Aug 15, 2022Electrical system. TSB: Some 2021 ? 2022 model year RAV4 Prime XSE grade vehicles equipped with a 6.6 kW electric vehicle charger sub-assembly may exhibit a MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): ?P0D2A19 ? Hybrid/EV Battery Charger Input Current Sensor Circuit Current Above Threshold ?P1C1B00 ? (PFC Boosting Circuit Malfunction) ?P0E8919 ? (Charger ?B? Input Current Too High Circuit…
• 10220219Aug 10, 2022Engine cooling. TT: After jump-starting, the vehicle may experience a no-start condition and multiple DTCs including U010087. Upon investigation, it is found that the engine ECU has been damaged and needs to be replaced (Fig 1). In several cases, it was found that the cause of the ECU damage was improper jump starting. Further investigation found that ECU damage may occur if the jumper cables are hooked up on or around the engine…
• 10220214Aug 5, 2022Equipment. TT: Vehicles listed above equipped with a Denso Ten radio (Entune Audio Plus or Premium Audio) may exhibit a condition in which the radio screen continues to show a Bluetooth phone call in progress after the call has ended. This condition has been confirmed with multiple Android phones, including Samsung Galaxy S21 and S22, and Google Pixel 6.
• 10217801Jul 21, 2022Seats. TT: Some vehicles may exhibit seat memory switch function inoperative condition if the Seating Position Control ECU is not initialized. The Pre-Delivery Service (PDS) bulletin (link below) instructs technicians to perform this initialization after the D/C Cut Fuse is installed.
• 10217798Jul 19, 2022Electrical system. TSB: Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the Techstream ECU flash reprogramming process and outlines use of TIS and the Calibration Update Wizard (CUW).
• 10224141Jul 8, 2022Engine cooling. TSB: When certain vehicle ECUs are replaced, the ECU security key must be written in order for that ECU to communicate on the vehicle network. The Techstream Software Health Check Results screen has been enhanced to help identify if a replacement ECU requires an ECU security key.
• 10224114Jun 23, 2022Electrical system. TSB: Some 2021 model year RAV4 Prime vehicles may exhibit a depleted 12V auxiliary battery when in IG-OFF due to a condition in which the Hybrid Vehicle Electronic Control Unit (HV ECU) does not sleep. The HV ECU may not sleep if any of the following conditions have occurred with the vehicle: ?The vehicle was towed or jump-started after a 12V battery discharge. ?The vehicle?s 12V battery was disconnected and…
• 10220189Jun 23, 2022Electrical system. TSB: Some 2021 model year RAV4 Prime vehicles may exhibit a depleted 12V auxiliary battery when in IG-OFF due to a condition in which the Hybrid Vehicle Electronic Control Unit (HV ECU) does not sleep. The HV ECU may not sleep if any of the following conditions have occurred with the vehicle: ?The vehicle was towed or jump-started after a 12V battery discharge. ?The vehicle?s 12V battery was disconnected and…
• 10224108Jun 14, 2022Body and structure. 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…
• 10220183Jun 14, 2022Body and structure. 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…
• 10213897May 27, 2022Equipment. 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
• 10220160May 19, 2022Electrical system. TSB: Some 2021 ? 2022 model year RAV4 Prime vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P060694 (SAE code P0606) (Control Module Processor Unexpected Operation) present. The Hybrid Vehicle Control Computer logic has been modified to reduce the possibility of this condition. Follow the Repair Procedure in this bulletin to address this condition
• 10220154May 13, 2022Other or unknown. TT: To improve customer support of telematics connected services features, additional resources have been provided in the Service Lane - Knowledge Center.
• 10220151May 11, 2022Electrical system. 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
• 10211819Apr 27, 2022Equipment, Electrical system. 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
• 10214367Apr 25, 2022Electrical system. 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
• 10214364Apr 19, 2022Visibility (wipers, defrost, mirrors), Electrical system. TSB: Some 2021 model year RAV4 Prime vehicles may exhibit a short humming/buzzing noise upon startup (Ready ON) with the compressor on. Follow the Repair Procedure in this bulletin to address this condition.
• 10211800Apr 7, 2022Equipment. SSC: Toyota Over-The- Air (OTA) Pilot Program Team Members SPECIAL SERVICE CAMPAIGN 22TC01
• 10214343Mar 23, 2022Electrical system, Lane departure. TSB: Some 2021 ? 2022 model year RAV4 Prime vehicles equipped with a Blind Spot Monitor (BSM) may exhibit a BSM outer mirror indicator that stays on without a vehicle in the detection area after being passed by a vehicle. Follow the Repair Procedure in this bulletin to address this condition
• 10214320Mar 14, 2022Engine cooling, Equipment. TT: On some 2021-2022MY Highlander HV, RAV4 HV, RAV4 Prime and Venza models, the connector cover for the Under Floor Wire Harness for the Rear Motor Generator may have the appearance of being damaged or missing
• 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, 2022Air 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…
• 10210362Mar 1, 2022Back-over prevention (rear camera), Vehicle speed control. TSB: Some 2019 ? 2022 model year RAV4 and RAV4 Hybrid and 2021 ? 2022 model year RAV4 Prime vehicles may exhibit a sloshing or splashing noise from inside one or more door panels when driving, opening and/or closing a door, and/or braking. This condition is caused by a cavity wax/debris/substance that may block door drain holes and restrict water from draining properly. Follow the Repair Procedure in this bulletin…
• 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, 2022Air bags, Electrical system. 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
• 10208996Feb 2, 2022Equipment, Fuel system. TSB: Some 2021 model year RAV4 Prime vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P0CDF72 (SAE code P0CE0) (Hybrid/EV Battery Cooling Magnetic Valve Actuator Stuck Open) present. The Amplifier Assy, Air Conditioner logic has been modified to reduce the possibility of this condition. Follow the Repair Procedure in this bulletin to address this condition.
• 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…
• 10207963Jan 28, 2022Electrical system. TSB This Service Bulletin includes guidelines meant to help determine whether to repair or replace a wire harness assembly based on damage type. This Service Bulletin should be used in conjunction with the applicable model and model year Electronic Wiring Diagram (EWD) and/or Repair Manual.
• 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…
• 10206528Dec 17, 2021Electrical system, Engine, Equipment. TSB: Some 2018 ? 2022 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, or M20A-FKS engine may exhibit one or more of the following conditions: ?Milky/Discolored engine oil. ?An ?Oil Pressure Low? warning message on the Multi-information Display (MID). ?A MIL ON condition with Diagnostic Trouble Codes (DTCs) P05202A (Engine Oil Pressure Sensor/Switch "A" Signal Stuck in Range) and/or P052477 (Engine…
• 10206513Dec 14, 2021Electrical system, Body and structure, 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.
• 10204562Nov 12, 2021Equipment. TSB: Some 2020 model year vehicles equipped with Audio Plus (version 1186) or earlier may exhibit one or more of the following conditions: ?WiFi intermittently inoperative. ?DTC (Diagnostic Trouble Code) B15DB present. ?Changing the Auto Relock Timer setting also changes the Remote 2-Press unlock setting. Some 2020 ?
• 10203539Oct 5, 2021Transmission and drivetrain, Electrical system, Equipment. TT: Some vehicles may exhibit seat memory switch function inoperative condition if the Seating Position Control ECU is not initialized. The Pre-Delivery Service (PDS) bulletin (link below) instructs technicians to perform this initialization after the D/C Cut Fuse is installed.
• 10202494Sep 27, 2021Body and structure, Equipment. TSB: Some 2019 ? 2022 model year RAV4 and RAV4 Hybrid, and 2021 ? 2022 model year RAV4 Prime vehicles may exhibit a sloshing or splashing noise from inside one or more door panels when driving, opening and/or closing a door, and/or braking. This condition is caused by a cavity wax/debris/substance that may block door drain holes and restrict water from draining properly. Follow the Repair Procedure in this bulletin…
• 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.
• 10201402Jul 26, 2021Engine cooling. TSB: Some 2021 model year RAV4 Prime vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P0CDF72 (Hybrid/EV Battery Cooling Magnetic Valve Actuator Stuck Open) present. The Amplifier Assy. Air Conditioner logic has been modified to reduce the possibility of this condition. Follow the Repair Procedure in this bulletin to address this condition.
• 10201369Jul 9, 2021Equipment. TSB: Some 2020 model year vehicles equipped with Audio Plus (version 1186) or earlier may exhibit one or more of the following conditions: ?WiFi intermittently inoperative. ?DTC (Diagnostic Trouble Code) B15DB present. ?Changing the Auto Relock Timer setting also changes the Remote 2-Press unlock setting. Some 2020 ?
• 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.
• 10198157May 28, 2021Equipment. TT: Customer experiences a condition and through proper diagnosis the Onboard Vehicle Charger needs to be replaced. The purpose of this Tech Tip is to gather necessary information when replacing the onboard vehicle charger for root cause investigations.
• 10198155May 27, 2021Equipment. TSB: 2022 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…
• 10198154May 27, 2021Tires, Wheels. 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…
• 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…

← All problems reported for the 2021 Toyota RAV4 Prime