Service bulletin T-SB-0047-20

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10176350
Published by NHTSA	2020-06-15
Manufacturer's number	T-SB-0047-20
Manufacturer's date	2020-05-11
NHTSA component	BACK OVER PREVENTION

NHTSA's summary

TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0039-19. The aforementioned bulletin is obsolete, and any printed versions should be discarded. Be sure to review the entire content of this service bulletin before proceeding. Some 2019 model year RAV4, RAV4 Hybrid and some 2018 ? 2020 model year Sienna vehicles equipped Audio Plus (version 1010) or Premium Audio (version 1010) or earlier may exhibit one or more of the following conditions: ?Toyota Apps fail to download ?Bluetooth® is unable to automatically connect after key cycle ?Abnormal microphone operation ?Sirius XM® antenna disconnection history Diagnostic Trouble Code (DTC) B15FE ?No outgoing voice during phone calls when using Apple CarPlay® ?Incoming calls incorrectly shown on the Multi-information Display (MID) when using Apple CarPlay® ?CAN networking DTC B1321 ?Volume inoperative after using Siri® ?Unable to adjust the treble audio setting ?Song information flickering ?Unable to select Sirius XM® music genre by voice recognition ?Noise when hanging up call on handset ?Transferred contacts do NOT match the number of handset contacts ?Sirius XM® sound slow to start ?Abnormal Toyota Apps and Scout Operation Some 2020 model year Prius, Prius Prime, some 2019 model year RAV4, RAV4 Hybrid, and some 2018 ? 2020 model year Sienna vehicles equipped with Audio Plus (version 1195), Premium Audio (version 1195) or Navigation (version 1035) or earlier may exhibit one or more of the following conditions:?Unable to play audio source after incoming call ?Software enhancements ?Intermittent rebooting ?Unable to register Bluetooth® devices from Bluetooth® Audio Mode ?Unable to pair Android? devices after Google? apps update ?Unable to access camera diagnosis system ?USB audio does not resume ?Intermittent Bluetooth® disconnection ?Abnormal voice recognition operation ?Phone call history does not

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Driver assistance, Backup camera

Trouble codes named

B1321, B15FE

Vehicles listed
TOYOTA PRIUS	2020
TOYOTA PRIUS PRIME	2020 (the catalog's model; the bulletin names a series or trim of it)
TOYOTA RAV4	2019
TOYOTA SIENNA	2018, 2019, 2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
19V576000	2019-08-06. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
20TE03	2023-08-28. Service bulletin. DP: This Customer Support Program provides coverage for a condition involving the front transfer case electro-magnetic clutch in certain 2019 ? 2020 model year RAV4 Adventure and Limited grade AWD vehicles. An abnormal buzz or groan noise from that case can occur with Normal drive mode selected during disconnect/connect timing of the AWD system. This condition typically occurs between 20 and 30 mph when accelerating from a stop, and/or between 20 and 13 mph on deceleration after driving the vehicle for 15 minutes or longer. Although the front transfer case electro-magnetic clutch is covered by Toyota?s New Vehicle Limited Warranty for 5 years or 60,000 miles (whichever comes first), we at Toyota care about the customers? ownership experience. Toyota is providing coverage for repairs related to abnormal buzz/groan noise from the front transfer case.
T-TT-0724-23	2023-04-17. Service bulletin. TT: Some 19-21MY RAV4 Japan produced vehicles in Puerto Rico only exhibit a squeak type noise from the front suspension over bumps. Japan produced vehicles can be identified by VINs beginning with J.
T-SB-0014-23	2023-04-17. Service bulletin. TSB: Some 2019 ? 2021 model year RAV4 and RAV4 Hybrid and 2021 model year RAV4 Prime vehicles may exhibit a rattle noise from the sliding roof assembly when it is in the tilted open position while driving over a bumpy road. Follow the Repair Procedure in this bulletin to address this condition.
T-SB-0115-22 Rev	2023-04-17. Service bulletin. TSB: Some 2019 ? 2022 model year Avalon, 2018 ? 2023 model year Camry, 2017 ? 2022 model year Highlander, and 2017 ? 2020 model year Sienna vehicles equipped with a 2GR-FKS engine may exhibit a knocking noise from the vacuum pump at idle.
TTT063620	2022-06-21. Service bulletin. TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions
TTT061620	2022-06-21. Service bulletin. 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-0084-21 Rev	2022-04-18. Service bulletin. 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 to address this condition
T-TT-0616-20 Rev	2021-04-19. Service bulletin. 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.
T-TT-0636-20 Rev	2021-04-19. Service bulletin. TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions.
T-TT-0623-20 Rev	2021-02-16. Service bulletin. TT: Some 2019-2020 model year RAV4 and RAV4 HV 4WD vehicles may exhibit a front brakesqueal/squeak noise when braking at low speeds.