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.

• 10133795Mar 26, 2013Equipment. 2012-2013 model year vehicles equipped with a Display Audio Navigation System and Entune (version less than 2.2.0) may exhibit one or more of the following conditions.
• 10133822Mar 25, 2013Equipment. Toyota will be sending Safety Recall Follow Up Notices to remind owners whose vehicles have not yet had campaign repair completed. Please note the following information for Regional and PD associates.
• 10133821Mar 25, 2013Equipment. Toyota will be sending Safety Recall Follow Up Notices to remind owners whose vehicles have not yet had campaign repair completed. Please note the following information for Regional and PD associates.
• 10133809Mar 25, 2013Engine. Starting with 2010 Model Year, Toyota began a gradual transition to the use of synthetic 0W-20 viscosity engine oil. There a re man benefits of this oil.
• 10062010Mar 25, 2013Equipment. Summary to be provided on a future date.
• 10133877Feb 28, 2013Engine cooling. On certain 2011 and 2012 model year Prius and Highlander HV vehicles, there is a possibility that the exhaust gas control actuator may develop a coolant leak. If a coolant leak occurs, the Water Temp indicator Lamp and Check engine Lamp will illuminate
• 10133860Feb 27, 2013Electrical system. The customer is having difficulty changing the multi-display screen from Day Mode. If the multi-display screen is set to Day Mode when the headlights are on, the setting we be memorized when the engine is turned off.
• 10133856Feb 25, 2013Steering. The vehicle will not start or ready-on and the steering wheel lock is engaged so that the steering wheel may only be turned very little from side-to-side.
• 10133838Feb 25, 2013Equipment. Some 2012 model year Corolla, Prius, Prius V, Sienna, and Venza vehicles may set SRS Diagnostic Trouble Codes (DTCs) that are not listed in the Repair Manual. Refer to the chart in this bulletin to diagnose these DTCs.
• 10062034Feb 25, 2013Steering. Summary to be provided on a future date.
• 10061551Feb 25, 2013Electrical system. Summary to be provided on a future date.
• 10133836Feb 20, 2013Transmission and drivetrain. This bulletin contains general vehicle pulling diagnosis and repair procedures along with specific information to help correct pulling complaints.
• 10133835Feb 19, 2013Equipment. Some customers may inquire about the frequency and power output of the Smart Key/Smart Entry systems used on various models. The Smart Key/Smart Entry systems conform to all applicable FCC rules. This bulletin details the applicable specifications for these systems.
• 10133867Feb 7, 2013Equipment. SSTs are key elements to provide your customers with swift and accurate repairs resulting in superior customer satisfaction.
• 10133928Jan 29, 2013Equipment. This communication pertains to a current safety recall being conducted by the Southeast Toyota Distributors LLC (SET). TMS is sending this communication for informational purposes in the event you are contacted by a customer covered by this recall.
• 10133901Jan 29, 2013Equipment. This bulletin is now obsolete. Please see T-SB-0012-13.
• 10133897Jan 29, 2013Electrical system. Flash reprogramming allows the 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 the TIS and the CUW.
• 10133894Jan 16, 2013Equipment. Three NEW application have been developed to enhance the Entune experience in vehicles equipped with the Display Audio Navigation System with Entune. All customers with these vehicles have been shipped instructions on this update along with a USB drive to install the new applications. In the event that a customer requests the install be performed by a technician, follow the procedures in this bulletin to perform…
• 10133893Jan 16, 2013Electrical system. Use the following procedures to check and/or update the software version of Entune/Navigation for Non-HDD Type Units.
• 10133892Jan 16, 2013Equipment. Vehicles equipped with a Display Audio Navigation System and Entune (version less than 2.1.0) may exhibit one or more of the following conditions.
• 10133917Jan 10, 2013Electrical system. technicians should confirm the following key points to minimize the potential for future MIL "ON" concerns after HV Battery Replacement.
• 10133885Jan 9, 2013Electrical system. 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. The SST is used with all vehicles to deliver the update, however a unique Activation Number is required for each vehicle. Activation Numbers are provided in an Activation Card Number (ACN) pamphlet available through the…
• 10060839Jan 9, 2013Equipment. Summary to be provided on a future date.
• 10133884Jan 8, 2013Electrical system. 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 for songs (i.e. Genre, Artist, Song Title, Album Name, etc.). The Gracenote® update will be included on the ?USB Drive ? Navigation Update? SST. A Gracenote® update must be performed before a Navigation Map Update. A Navigation Map Update…
• 10133882Jan 8, 2013Electrical system. Toyota models equipped with the display Audio HDD Navigation System Require a Special Service Tool (SST) USB drive to update the map, points of interest, Gracenote, and system software. The SST is used with all vehicles to deliver the update, however a unique Activation Number is required for each vehicle. Activation numbers are provided in an ACN pamphlet available through the normal parts ordering system.
• 10060838Jan 8, 2013Equipment. Summary to be provided on a future date.
• 10060835Jan 8, 2013Equipment. Summary to be provided on a future date.
• 10060834Jan 8, 2013Equipment. Summary to be provided on a future date.
• 10060833Jan 8, 2013Equipment. Summary to be provided on a future date.
• 10133915Jan 3, 2013Air bags. Toyota vehicles are equipped with SRS, including various airbags and in some models, seat belt pre-tensioners, to help reduce the risk of injury in a collision. If a customer expresses any concerns that the SRS airbags or pretensioner devices did not perform as expected, please follow the steps in the recommendations section below.
• 10133878Jan 2, 2013Electrical system. Flash reprogramming allows the 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 the Technical Information System (TIS) and the Calibration Update Wizard (CUW). Flash calibration updates…
• 10133964Dec 21, 2012Engine. Starting with the 2010 MY, Toyota began a gradual transition to the use of synthetic 0w-20 viscosity engine oil.
• 10133947Dec 21, 2012Brakes. Some 2010 ? 2012 model year Prius and 2012 model year Prius PHV vehicles may exhibit uneven brake pad wear on the rear brake pads. The vehicle may also exhibit a grinding or scraping noise due to the uneven brake pad wear. An updated rear pad kit has been developed to address this condition.
• 10062005Dec 21, 2012Brakes. Summary to be provided on a future date.
• 10133962Dec 7, 2012Engine. Starting with the 2010 MY, Toyota began a gradual transition to the use of synthetic 0w-20 viscosity engine oil.
• 10061664Nov 15, 2012Equipment. Summary to be provided on a future date.
• 10062011Nov 7, 2012Equipment. Summary to be provided on a future date.
• 10134022Oct 17, 2012Electrical system. Some Phone iOS 5 customers with Denso Premium HDD Navigation (AVN) or Display Navigation w/ Entune (DNE) head units may experience an error message when they attempt to use the Entune application.
• 10134021Oct 17, 2012Electrical system. Some Phone iOS 5 customers with Denso Premium HDD Navigation (AVN) or Display Navigation w/ Entune (DNE) head units may experience an iPod Authorization error when they plug their iPhone into the USB port.
• 10134020Oct 11, 2012Electrical system. Customers who purchase new or replacement iPhones running iOS 6 may find that Toyota a Entune application will not launch on the iPhone. The issue can occur when the customer restores/transfers their apps, contacts, etc.
• 10134019Oct 11, 2012Electrical system. Some Phone iOS 5 customers with Denso Premium HDD Navigation (AVN) or Display Navigation w/ Entune (DNE) head units may experience an error message when they attempt to use the Entune application.
• 10062023Oct 11, 2012Equipment. Summary to be provided on a future date.
• 10062022Oct 11, 2012Equipment. Summary to be provided on a future date.
• 10134018Oct 10, 2012Electrical system. Some Phone iOS 5 customers with Denso Premium HDD Navigation (AVN) or Display Navigation w/ Entune (DNE) head units may experience an iPod Authorization error when they plug their iPhone into the USB port.
• 10062021Oct 10, 2012Equipment. Summary to be provided on a future date.
• 10133974Oct 4, 2012Body and structure. Toyota vehicles are equipped with either conventional or run-flat tires. Sometimes punctures may occur as a result of contact with road debris or other hazards. If a puncture occurs, it may be possible to repair the tire and return it to service. With a conventional tire it is not possible to drive for an extended amount of time with the tire at low pressures as damage to the tire may occur.
• 10061649Oct 4, 2012Tires. Summary to be provided on a future date.
• 10060753Jul 23, 2012Engine. Summary to be provided on a future date.
• 10061596Jun 28, 2012Equipment. Summary to be provided on a future date.
• 10045140Jun 13, 2012Vehicle speed control. Toyota: accelerator pedal sensor assembly information regarding the inspection, removal, and installation, if lubrication or oil, is applied.

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