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Service bulletins for the 2021 Toyota RAV4

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.

308 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
TSB008921Rev22022-10-17. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. TSB: Some 2020 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles may exhibit one or more of the following conditions: ?Diagnostic Trouble Code (DTC) B15A804 is present in current or history. ?Red SOS LED stays on after bulb check. ?Toyota App does not accept the activation code. ?Toyota App is inoperative. ?SOS call center does not receive the vehicle?s location in a timely manner. ?Toyota App shows an error 42 when trying to execute a command. ?Unable to remote start the vehicle with the key fob (if equipped). ?Unable to subscribe to remote services. ?Unable to activate Wi-Fi. ?Destination Assist is inoperative. Some 2020 ? 2021 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles and some 2021 model year Avalon, Avalon Hybrid, Corolla, Corolla Hybrid, Sienna Hybrid, and Venza Hybrid vehicles may exhibit one or more of the following conditions: ?DTC B15A804 is present in current or history. ?Red SOS LED stays on after bulb check. ?Toyota App is inoperative. ?Unable to subscribe to remote services. ?Unable to activate Wi-Fi. ?Depleted 12V vehicle battery when in IG-OFF. ?Unable to reconnect out of network. A DCM reset and firmware update is now available to address these conditions. Follow the DCM Reset and Firmware Update Procedure in this bulletin to update the firmware.
T-SB-0067-222022-09-15. Service bulletin. ELECTRICAL 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 Current Above Threshold) ?P1BD300 ? (Charger ?B? PFC Boosting Circuit Malfunction) The vehicle may also exhibit an inoperative onboard plug-in charger. Follow the Repair Procedure in this bulletin to address this condition.
TSB0058222022-09-15. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This condition may occur when the vehicle is operated at high altitude and high temperatures; typically, above 3,300 feet (1,000 meters) and at ambient temperatures above 85°F (30°C). The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) and fuel suction tube assembly have been improved to reduce the possibility of this condition. Follow the Repair Procedure in this bulletin to address this condition
TSB0056222022-09-15. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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 reconnected, as when accessories ?were installed. ?The 12V battery terminal(s) or power or ground harnesses were removed to repair ?the vehicle. ?A new 12V battery was put into the vehicle, or there was an open in the main fusible link. ?Any other condition that may have caused power not properly flowing from the 12V battery ?through the harness. The HV ECU logic has been updated to reduce the possibility of this condition
TSB008921Rev22022-09-15. Service bulletin. ELECTRICAL SYSTEM. TSB: Some 2020 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles may exhibit one or more of the following conditions: ?Diagnostic Trouble Code (DTC) B15A804 is present in current or history. ?Red SOS LED stays on after bulb check. ?Toyota App does not accept the activation code. ?Toyota App is inoperative. ?SOS call center does not receive the vehicle?s location in a timely manner. ?Toyota App shows an error 42 when trying to execute a command. ?Unable to remote start the vehicle with the key fob (if equipped). ?Unable to subscribe to remote services. ?Unable to activate Wi-Fi. ?Destination Assist is inoperative.
TSB0050222022-09-15. Service bulletin. ELECTRICAL 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
Service Campaign2022-09-15. Service bulletin. 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
TSB0047222022-09-15. Service bulletin. ELECTRICAL SYSTEM. TSB: Some 2019 model year Avalon Hybrid, 2018 ? 2019 Camry Hybrid, and 2019 ? 2021 RAV4 Hybrid vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P019064 (Fuel Rail Pressure Sensor ?A? Signal Plausibility Failure). The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition. Follow the Repair Procedure in this bulletin to address this condition.
T-SB-0107-20 Rev2022-08-15. Service bulletin. ELECTRICAL 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). To ensure the correct ECU software is installed, ECUs will require a Security Signature before the ECU will initialize the flash reprogramming sequence. This bulletin also details the process for acquiring a Security Signature from TIS during the Techstream ECU flash reprogramming process
22TC012022-06-21. Service bulletin. 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
TSB0042222022-06-21. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:COMPRESSOR; VISIBILITY:DEFROSTER/DEFOGGER/HVAC 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.
TSB0027222022-06-21. Service bulletin. LANE DEPARTURE: BLIND SPOT DETECTION; ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS; ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SOFTWARE. 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
TSB0026222022-06-21. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. TSB: Some 2019 ? 2021 model year RAV4 Hybrid vehicles may exhibit a MIL ON condition with one or both of the following Diagnostic Trouble Codes (DTCs) stored: ?P0AA649 (Hybrid/EV Battery Voltage System Isolation Internal Electronic Failure) ?P1C8049 (Hybrid/EV Battery Voltage System Isolation [Rear Motor Area] Internal Electronic Failure) The vehicle may also exhibit static or distortion when listening to AM radio. These conditions may be caused by corrosion on the high-voltage wire harness below the vehicle at connector Y6 at Motor Generator Rear (MGR) or dirt and debris inside the connector
TTT0616202022-06-21. Service bulletin. STEERING; STEERING:STEERING WHEEL /HANDLE BAR:YAW/ANGLE SENSOR; WHEELS; BACK OVER PREVENTION; ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY. TT: Some customers may experience an abnormal steering sensation (?pulling?, ?drifting?), which may be more pronounced after a cold soak. The steering angle value displayed in Techstream may be greater than +3° off when the steering wheel is held straight. Every time the vehicle?s battery is disconnected or discharged, the Steering Angle Neutral Point Memorization and the Steering Sensor Zero Point Calibration must be performed. These steps are consistent with Step 3 and 4 of the ?BEFORE INSPECTION? section of the Pre-Delivery Service Check Sheet
T-SB-0110-20 Rev2022-06-13. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY; EQUIPMENT. TSB: This bulletin includes basic procedures for performing a rescue charge at battery on high voltage (HV) Ni-MH and Li-ion batteries. This bulletin should be used in conjunction with the applicable model and model year Repair Manual while performing the battery rescue charge. The GRX-5100 should be used wherever the Repair Manual references the Toyota Hybrid System (THS) charger
22TC01 Technical2022-05-16. Service bulletin. EQUIPMENT; 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
T-TT-0694-222022-05-16. Service bulletin. ELECTRICAL SYSTEM. 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 ECU or ECU mounting bracket
T-TT-0687-222022-04-18. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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
22TC01 Team Memb2022-04-18. 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.
T-TT-0599-20 Rev2022-04-18. Service bulletin. ELECTRICAL 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
22TC01 Technical2022-03-14. Service bulletin. ELECTRICAL 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
22TC01 Region Le2022-03-14. Service bulletin. ELECTRICAL 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.
22TC01 Dealer Le2022-03-14. 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-0003-222022-02-14. Service bulletin. ELECTRICAL SYSTEM:WIRING. 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.
T-TT-0593-20 Rev2022-02-14. Service bulletin. ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:SOFTWARE; ELECTRICAL 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.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.