2012 Toyota Prius Technical Service Bulletins

461 technical service bulletins (TSBs) are on record for the 2012 Toyota Prius. 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.

• 10168544Oct 23, 2019Equipment. Dealer Email: Toyota will be sending Safety Recall/Special Service Campaign Follow-Up Notices to owners whose vehicles have not yet had the following Safety Recall/Special Service Campaign repairs completed. Please note the following information for Regional and PD associates.
• 10168543Oct 23, 2019Equipment. Region Letter: Toyota will be sending Safety Recall/Special Service Campaign Follow-Up Notices to owners whose vehicles have not yet had the following Safety Recall/Special Service Campaign repairs completed. Please note the following information for Regional and PD associates.
• 10168542Oct 23, 2019Equipment. Region Email: Toyota will be sending Safety Recall/Special Service Campaign Follow-Up Notices to owners whose vehicles have not yet had the following Safety Recall/Special Service Campaign repairs completed. Please note the following information for Regional and PD associates.
• 10168537Oct 21, 2019Steering. 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…
• 10164926Aug 30, 2019Engine, Engine cooling. Warranty Enhancement Program: Toyota has received reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking Exhaust Gas Recirculation (EGR) Valve in some vehicles. If this occurs, the vehicle may illuminate the check engine light and set diagnostic trouble code (DTC) P0401.
• 10164923Aug 28, 2019Brakes. Warranty Enhancement Program: Toyota has received reports indicating various brake system related warning lamps illuminate due to internal malfunctions.
• 10164922Aug 28, 2019Brakes. Dealer Package: Toyota has received reports about certain internal malfunctions of the brake booster assemblies in some of the subject vehicles. Although the brake booster and brake booster pump assemblies are covered by Toyota?s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), Toyota is now offering a voluntary Customer Support Program that applies to certain internal malfunctions…
• 10164345Jul 9, 2019Equipment. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0033-14. ? Applicability has been updated to include 2019 model year Toyota vehicles. Service Bulletin No. T-SB-0033-14 is obsolete and any printed versions should be discarded. Some 2006 ? 2019 model year Toyota vehicles in particular geographic areas may exhibit a condition where the HVAC evaporator drain hose…
• 10164335Jul 3, 2019Wheels, Equipment. TSB: Some 2009 ? 2019 model year Toyota vehicles with super chrome wheel finishes may become discolored and/or damaged when aftermarket cleaners, polishes, or brake dust removal products are used on wheels with super chrome finishes. Wheel cleaners and polish that contain acidic substances may damage the clear coat of the wheel, resulting in the undercoating (black) to become visible.
• 10164330Jul 1, 2019Transmission and drivetrain, Electrical system, Engine. TSB: REVISION NOTICE July 01, 2019 Rev2: ? Applicability has been updated to 2019 ? 2020 model year Toyota vehicles. ? The Techstream Preparation and Process Overview sections have been updated. October 30, 2017 Rev1: ? Applicability has been updated to include 2018 model year vehicles. Any previous printed versions of this bulletin should be discarded. SUPERSESSION NOTICE The information contained in this bulletin…
• 10159739Apr 30, 2019Equipment. 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.
• 10159712Apr 14, 2019Equipment. TSB: OBSOLETE NOTICE April 4, 2019: This bulletin is now obsolete. Please see T-SB-0038-19.
• 10159692Apr 4, 2019Equipment. TSB: The purpose of this general information Service Bulletin is to inform the market that sub-component diagnosis and replacement is now available for the hybrid inverter with converter assembly equipped on 2010 ? 2015 model year Prius and 2012 ? 2015 model year Prius V vehicles. SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0092-14. ? The Parts Information…
• 10197472Mar 28, 2019Equipment. Technician Certification Requirements.
• 10158578Mar 7, 2019Brakes. Customer Support Program Bulletin: Toyota has received reports indicating various brake system related warning lamps illuminate due to internal malfunctions.
• 10158577Mar 7, 2019Brakes. Dealer Letter: March 7, 2019 ZJB Phase 2 Launch for Certain 2011 ? 2015 Model Year Prius Vehicles and Certain 2012 ? 2015 Model Year Prius PHV vehicles. Toyota has received reports about certain internal malfunctions of the brake booster assemblies in some of the subject vehicles.
• 10155247Feb 28, 2019Electrical system, 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…
• 10155238Feb 25, 2019Equipment. TT: HVAC drain tube is found to be blocked/clogged.
• 10154800Feb 7, 2019Equipment. 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…
• 10153256Jan 31, 2019Electrical system. TSB: REVISION NOTICE January 31, 2019 Rev1: ? The entire bulletin has been updated. Any previous printed versions of this bulletin should be discarded. Some 2010 ? 2014 model year Prius and 2012 ? 2014 model year Prius V vehicles may exhibit a MIL ON condition with Diagnostic Trouble Codes (DTCs) P0A94, P324E, P0A1A, and/or P3004, indicating a malfunction has occurred in the hybrid inverter assembly.
• 10153190Dec 3, 2018Equipment. TSB: Some 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 now 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 this bulletin for proper…
• 10152191Nov 14, 2018Equipment. TSB: REVISION NOTICE November 14, 2018 Rev1: ? The Required Tools & Equipment section has been updated. Any previous printed versions of this bulletin should be discarded. SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0133-14. ? The Parts Information, Required Tools & Equipment, and On-Vehicle Navigation Update sections have been updated. Service Bulletin No. T-SB-0133-14 is…
• 10145758Sep 26, 2018Electrical system, Transmission and drivetrain. Warranty Policy Bulletin: Toyota has received some reports indicating the Intelligent Power Module (IPM) located inside the inverter assembly of the hybrid system may fail. This condition is indicated by the hybrid system diagnostic trouble codes (DTCs): P0A94, P324E, P3004, and/or P0A1A. If one or more of these DTCs are detected, various warning lamps on the instrument panel will illuminate and the vehicle will…
• 10150015Sep 12, 2018Equipment. 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…
• 10145749Aug 31, 2018Equipment. Technical Service Bulletin: OBSOLETE NOTICE: July 31, 2018: This bulletin is now obsolete. Please see T-SB-0304-17.
• 10145748Aug 31, 2018Equipment. Technical Service Bulletin: OBSOLETE NOTICE: July 31, 2018: This bulletin is now obsolete. Please see T-SB-0304-17.
• 10145747Aug 31, 2018Electrical system. Warranty Program Bulletin: Toyota has received some reports indicating the Intelligent Power Module (IPM) located inside the inverter assembly of the hybrid system may fail. This condition is indicated by the hybrid system diagnostic trouble codes (DTCs): P0A94, P324E, P3004, and/or P0A1A. If one or more of these DTCs are detected, various warning lamps on the instrument panel will illuminate and the vehicle will…
• 10143953Jul 31, 2018Equipment. TSB: REVISION NOTICE July 31, 2018 Rev2: ? The Supersession Notice has been updated. January 11, 2018 Rev1: ? The Supersession Notice 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. PG021-88, PG015-89, PG0015-90, PG002-91, PG002-93, PG005-97, PG007-01, PG007-07, PG006-01, PG004-97…
• 10143927Jul 6, 2018Equipment. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0043-14. ? Applicability has been updated to include 2017 ? 2018 model year Toyota vehicles. Service Bulletin No. T-SB-0043-14 is obsolete and any printed versions should be discarded. The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once…
• 10141576May 10, 2018Equipment. 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.
• 10129997Feb 21, 2018Exterior lighting. TSB: REVISION NOTICE February 21, 2018 Rev2: ? Applicability has been updated to include 2012 model year Prius vehicles. ? The Required Tools & Equipment section has been updated. October 17, 2017 Rev1: ? The Repair Procedure section has been updated. Any previous printed versions of this bulletin should be discarded. Some 2010 ? 2012 model year Prius vehicles may exhibit a condition where a halogen low beam…
• 10131759Feb 12, 2018Tires. TSB: REVISION NOTICE February 12, 2018 Rev2: ? Applicability has been updated to include 2015 ? 2018 model year vehicles. January 23, 2014 Rev1: ? Applicability has been updated to include 2013 ? 2014 model year vehicles. Any previous printed versions of this bulletin should be discarded. Toyota vehicles are equipped with either conventional or run-flat tires. Sometimes punctures may occur as a result of contact…
• 10129977Feb 12, 2018Tires. TSB: REVISION NOTICE February 12, 2018 Rev2: ? Applicability has been updated to include 2015 ? 2018 model year vehicles. January 23, 2014 Rev1: ? Applicability has been updated to include 2013 ? 2014 model year vehicles. Any previous printed versions of this bulletin should be discarded. Toyota vehicles are equipped with either conventional or run-flat tires. Sometimes punctures may occur as a result of contact…
• 10131750Feb 2, 2018Equipment. TSB: The purpose of this Service Bulletin is to elevate awareness and provide best practices for leather and synthetic leather care in Toyota vehicles. As an additional resource, if the vehicle is equipped with factory leather seats, the vehicle Owner?s Manual will highlight the importance of proper maintenance and provide guidance for care.
• 10129968Feb 2, 2018Equipment, Seats. TSB: The purpose of this Service Bulletin is to elevate awareness and provide best practices for leather and synthetic leather care in Toyota vehicles. As an additional resource, if the vehicle is equipped with factory leather seats, the vehicle Owner?s Manual will highlight the importance of proper maintenance and provide guidance for care.
• 10131713Jan 11, 2018Equipment. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin Nos. PG021-88, PG015-89, PG0015-90, PG002-91, PG002-93, PG005-97, PG007-01, PG007-07, and T-SB-0144-08. Service Bulletin Nos. PG021-88, PG015-89, PG0015-90, PG002-91, PG002-93, PG005-97, PG007-01, PG007-07, and T-SB-0144-08 are obsolete and any printed versions should be discarded. Be sure to review the entire content of…
• 10131676Jan 10, 2018Hybrid propulsion system. Warranty Policy Bulletin: Toyota has received some reports indicating the Intelligent Power Module (IPM) located inside the inverter assembly of the hybrid system may fail. This condition is indicated by the hybrid system diagnostic trouble codes (DTCs): P0A94, P324E, P3004, and/or P0A1A. If one or more of these DTCs are detected, various warning lamps on the instrument panel will illuminate and the vehicle will…
• 10129204Jan 5, 2018Electrical system, Hybrid propulsion system. TSB: REVISION NOTICE January 05, 2018 Rev1: ? Applicability has been updated to include 2012 ? 2017 Camry HV and Prius C, 2015 ? 2017 Prius V, 2006 ? 2017 Highlander HV, 2010 ? 2016 Prius, and 2016 ? 2017 RAV4 HV model year vehicles. ? The Repair Procedure section has been updated. Any previous printed versions of this bulletin should be discarded. Some 2006 ? 2017 Highlander HV, 2010 ? 2016 Prius, 2012 ? 2017…
• 10197494Dec 12, 2017Equipment. Technician Certification Requirements.
• 10133654Nov 22, 2017Electrical system. TSB: REVISION NOTICE November 22, 2017 Rev1: ? Applicability has been updated to include 2014 ? 2018 model year vehicles. Any previous printed versions of this bulletin should be discarded. In the event that a Toyota vehicle becomes submerged in water, many components may be physically damaged. Electrical and electronic components, including wiring harnesses, are particularly susceptible to corrosion and subsequent…
• 10133641Nov 17, 2017Equipment. TSB: OBSOLETE NOTICE November 16, 2017: This bulletin is now obsolete. Please see T-SB-0294-17.
• 10123430Oct 30, 2017Equipment. TSB: REVISION NOTICE October 30, 2017 Rev1: * Applicability has been updated to include 2018 model year vehicles. SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0012-13. 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…
• 10123420Oct 27, 2017Body and structure. TSB: Vehicle replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) may be available from Toyota, provided the request meets one of the criteria listed in this Service Bulletin.
• 10132680Oct 11, 2017Equipment. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0133-14. ? The Parts Information, Required Tools & Equipment, and On-Vehicle Navigation Update sections have been updated. Toyota models equipped with the Premium HDD Navigation (AVN/AW-EMV) system require a Special Service Tool (SST) USB drive to update the map, points of interest, Gracenote®, and system software.
• 10132678Oct 11, 2017Equipment. TSB: REVISION NOTICE October 11, 2017 Rev2: ? The Required Tools & Equipment section has been updated to include a NEW USB drive map update. SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0006-13. Toyota models equipped with the Premium HDD Navigation (AVN/AW-EMV) system will periodically require an update to the Gracenote® database. Gracenote® includes detailed information…
• 10132656Oct 4, 2017Equipment. TT: Previously, an error message was received when performing DCM activation initiated by Techstream. This condition has been remedied, and DCM activation utilizing Techstream can now be resumed.
• 10132450Aug 8, 2017Equipment. TT: An error message is received when performing DCM activation initiated by Techstream. This is a known condition and will be remedied in the near future. Please discontinue DCM activations utilizing Techstream until further notice.
• 10132410Jul 20, 2017Air bags, Equipment. TSB: REVISION NOTICE July 20, 2017 Rev1: Applicability has been updated to exclude 2007 ? 2017 model year Avanza vehicles. Some hazardous material treatment and handling regulations at the state and local level define the pre-disposal deployment of airbag and pre-tensioner assemblies as hazardous material treatment. Hazardous material treatment may require special training, certification or licensing in certain…
• 10142506Apr 19, 2017Electrical system, Equipment. TT: Safety Connect is a vehicle option which requires a subscription fee for the system to be active. The first year of service is provided in the vehicle purchase price. 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.
• 10131893Mar 27, 2017Engine cooling. TT: Rev2 Some Customers may complain about a Hybrid Vehicle Battery cooling system warning message. This warning message may appear when the HV Battery cooling system loses efficiency due to debris on the filter and or some object obstructing the air inlet. Refer to the information below to address this issue.

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