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Service bulletins for the 2019 Toyota PRIUS

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.

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

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Bulletins, newest first
Expired Quick Re2019-07-08. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS. CRC SPRAY QUICK REFERENCEGUIDE
T-TT-0442-17_Rev2019-05-13. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT:ELECTRICAL. TT: Safety Connect is a vehicle option which requires a subscription fee for the system to be active after the initial trial period. Once the subscription has expired the DCM (Telematics Transceiver) will be in an inactive state. In some instances, a DCM may need to be replaced even though the customer is not using the service. If registration of the replacement DCM part is attempted using the Techstream utility after the account has become inactive, the registration will fail, and messages such as ?ATX webserver is Down? or ?ATX error? will be displayed.
T-TT-0537-192019-05-13. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; VISIBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; LANE DEPARTURE. TT: The blind spot monitor (BSM) sensor angle inspection is used to confirm that the BSM sensor is within the specified angle before performing axis beam adjustment. When used in conjunction with the repair manual, these BSM tips leverage SSTs and readily available tools to support sensor angle confirmation in varying shop environments.
T-SB-0157-18_Obs2019-05-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. TSB: OBSOLETE NOTICE April 17, 2019: This bulletin is no longer applicable and is now obsolete.
T-TT-0484-18-Rev2019-03-25. Service bulletin. ELECTRICAL SYSTEM. TT: Some customers may experience echoing on the line calling the vehicle when using Bluetooth Hands Free. This is caused by the phone Hands Free volume being too low. These settings may need to be reapplied any time the phone is paired to a new head unit, a phone update is applied, or the phone is un-paired and re-paired.
T-TT-0414-16-Rev2019-03-25. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT; ELECTRICAL SYSTEM. TT: Some customers may encounter Bluetooth® connectivity concerns such as: ? Difficulty to pair the phone. ? Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. ? Various Bluetooth® Audio functions are no longer functioning with customer?s phone such as ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer?s phone. Make sure to inquire with the customer if the connectivity concerns occurred after receiving an operating system update on their phone, or if they have restored their phone data/settings recently.
T-TT-0468-17-Rev2019-03-25. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. TT: HVAC drain tube is found to be blocked/clogged.
T-SB-0019-192019-03-25. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:ELECTRICAL. TSB: This bulletin details the supplemental procedure to confirm Telematics Data Communication Module (DCM) activation for applicable 2017 ? 2019 model year Toyota vehicles after the process is initiated by Techstream. The steps outlined in this bulletin include: ? Techstream Messages ? DCM Activation Confirmation ? Vehicle Confirmation
T-SB-0044-16_Rev2019-03-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. TSB: REVISION NOTICE February 7, 2019 Rev2: * Applicability has been updated to include 2010 - 2014 model year Matrix, 2017 - 2019 model year C-HR, 2019 model year Corolla Hatchback, and 2018 - 2019 model year Toyota vehicles. G418 The Introduction and Repair Procedure sections have been updated. March 7, 2017 Rev1: * Applicability has been updated to include 2017 model year Toyota vehicles. Any previous printed versions of this bulletin should be discarded. SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0040-08. * Applicability has been updated to include applicable 2016 model year vehicles. Service Bulletin No. T-SB-0040-08 is obsolete and any printed versions should be discarded. Some 2010 - 2019 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 this condition.
T-TT-0516-18_Rev2019-03-18. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. TT: The microphone circuit passes through the DCM before reaching the radio/navigation system. To simplify the diagnosis of the microphone, Safety Connect SOS button lights, and DCM (Telematics transceiver) inoperative conditions, refer to the procedure below to prevent unnecessary parts replacement.
Toyota Safety Re2019-03-18. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Safety Recall and Service Campaign - Technician Certification Requirements
T-TT-0520-192019-02-19. Service bulletin. EQUIPMENT. TT: In certain cases of leaking air conditioning systems, the root cause of the leak is inadvertently overlooked, causing a repeat repair. To improve customer satisfaction and repair A/C system leaks in one dealer visit, Toyota has developed a set of guidelines for evaluating A/C system components.
T-SB-0157-182019-02-19. Service bulletin. WHEELS. TSB: Some 2016 ? 2019 model year Prius vehicles may exhibit a click noise from the LF wheel area upon deceleration and/or braking. Refer to the Repair Procedure in this bulletin to address this condition.
T-TT-0515-182019-02-19. Service bulletin. EQUIPMENT; FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA; FORWARD COLLISION AVOIDANCE. TT: When adjusting the Forward Recognition Camera on vehicles with Toyota Safety Sense, it can be difficult to print the repair manual target to the proper size.
T-SB-0149-182019-01-07. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. 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. Customer retention and proper maintenance of vehicles are and have always been a major focus for Toyota. To help remind customers that regular service is essential to the proper maintenance of the vehicle, dealers are required to install a service reminder sticker before delivery. By doing this, customers will be reminded to return to your dealership for their first service. Your current service reminder sticker may be used. (See PDS Check Sheet of Final Inspection and Cleaning.) A new PDS Check Sheet has been developed for the 2019 model year Prius. Some check points have been added, expanded, or clarified. Bulletins are available for items in bold type.
T-SB-0145-182019-01-07. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. TSB: Pre-Delivery Service (PDS) is a critical step in satisfying our dealership's 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. Customer retention and proper maintenance of vehicles are and have always been a major focus for Toyota. To help remind customers that regular service is essential to the proper maintenance of the vehicle, dealers are required to install a service reminder sticker before delivery. By doing this, customers will be reminded to return to your dealership for service. Your current service reminder sticker may be used. (See PDS Check Sheet ?Final Inspection and Cleaning.) A new PDS Check Sheet has been developed for the 2019 model year Prius Prime. Some check points have been added, expanded, or clarified. Bulletins are available for items in bold type.
T-SB-0279-17_Rev2018-12-17. Service bulletin. ELECTRICAL SYSTEM. TSB: REVISION NOTICE November 13, 2018 Rev2: ? The entire bulletin has been updated. March 16, 2018 Rev1: ? Applicability has been updated to include 2018 model year vehicles. ? The entire bulletin has been updated. Any previous printed versions of this bulletin should be discarded. SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin Nos. T-SB-0103-16 and T-SB-0337-17. ? The entire bulletin has been updated. Service Bulletin No. T-SB-0103-16 and T-SB-0337-17 are obsolete and any printed versions should be discarded. Be sure to review the entire content of this bulletin before proceeding. Some 2016 ? 2018 model year vehicles equipped with Entune? Audio (version 01013E), Entune? Audio Plus (version 010156 or 01015C), or Entune? Premium Audio (version 010171, 010170, or 01017D) may exhibit one or more of the following conditions: ? Head unit reboots at a specific location ? Abnormal Destination Search app operation ? Rebooting caused by no songs on the USB-connected iPhone ? A one-time reboot after ignition is cycled to ACC-ON ? Audio stays muted after the key is cycled
T-TT-0414-16-Rev2018-12-03. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. TT: Some customers may encounter Bluetooth® connectivity concerns such as: ? Difficulty to pair the phone. ? Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. ? Various Bluetooth® Audio functions are no longer functioning with customer?s phone such as ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer?s phone. Make sure to inquire with the customer if the connectivity concerns occurred after receiving an operating system update on their phone or if they have restored their phone data/settings recently.
T-TT-0503-182018-12-03. Service bulletin. LANE DEPARTURE: BLIND SPOT DETECTION. 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.
T-TT-0503-182018-11-26. Service bulletin. LANE DEPARTURE: BLIND SPOT DETECTION. 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.
Safety Recall an2018-10-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. Update on Technician Certification Requirements.
T-TT-0503-18_Rev2018-10-15. Service bulletin. LANE DEPARTURE; VISIBILITY. 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.
T-SB-0197-17_Rev2018-06-18. Service bulletin. ELECTRICAL SYSTEM. TSB: REVISION NOTICE May 22, 2018 Rev2: * The Before Delivery section has been updated. May 08, 2018 Rev1: * Applicability has been updated to include 2019 model year Toyota vehicles. Any previous printed versions of this bulletin should be discarded. Hybrid vehicles are equipped with two types of batteries: * Hybrid Vehicle (HV) battery - Auxiliary (12V) battery If the hybrid vehicle is put into storage, the State-Of-Charge (SOC) of its HV battery and auxiliary battery will gradually decrease. To prevent the auxiliary battery from becoming discharged during storage, proper maintenance is necessary. Perform the following maintenance service for the HV battery and auxiliary battery. NOTE - BEFORE disconnecting the auxiliary battery, confirm the shift lever is in the "P" position and apply the parking brake completely. The shift lever CANNOT be shifted from the "P" position with the auxiliary battery disconnected. * If the negative (-) terminal of the auxiliary battery is reconnected, even if the power button is in the Start mode, the hybrid system may NOT start. In this case, push the Power button and select the Start mode again to start the hybrid system (the Ready light is ON). If the hybrid system still does NOT start (the Ready light is OFF), refer to the Repair Manual.
T-TT-0442-17_Rev2018-06-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. TT: Safety Connect is a vehicle option which requires a subscription fee for the system to be active. The trail period of service is provided upon the vehicle purchase. Once the subscription has expired the DCM (Telematics Transceiver) will be in an inactive state. In some instances, a DCM may need to be replaced even though the customer is not using the service. If registration of the replacement DCM part is attempted using the Techstream utility after the account has become inactive, the registration will fail, and messages such as "ATX webserver is Down" or "ATX error" will be displayed.
T-SB-0197-17_Rev2018-06-18. Service bulletin. ELECTRICAL SYSTEM. TSB: REVISION NOTICE May 08, 2018 Rev1: * Applicability has been updated to include 2019 model year Toyota vehicles. Any previous printed versions of this bulletin should be discarded. Hybrid vehicles are equipped with two types of batteries: * Hybrid Vehicle (HV) battery - Auxiliary (12V) battery If the hybrid vehicle is put into storage, the State-Of-Charge (SOC) of its HV battery and auxiliary battery will gradually decrease. To prevent the auxiliary battery from becoming discharged during storage, proper maintenance is necessary. Perform the following maintenance service for the HV battery and auxiliary battery. NOTE - BEFORE disconnecting the auxiliary battery, confirm the shift lever is in the "P" position and apply the parking brake completely. The shift lever CANNOT be shifted from the "P" position with the auxiliary battery disconnected. * If the negative (-) terminal of the auxiliary battery is reconnected, even if the power button is in the Start mode, the hybrid system may NOT start. In this case, push the Power button and select the Start mode again to start the hybrid system (the Ready light is ON). If the hybrid system still does NOT start (the Ready light is OFF), refer to the Repair Manual.

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