WenmarOpen by Wenmar Pro

Service bulletins for the 2012 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
T-TT-0262-132018-04-02. Service bulletin. ENGINE. Due to the improved performance and durability of 0w-20 synthetic oil, Toyota has extended the oil change intervals to 10,000 miles for most vehicles that require this oil. With this change, the following should be noted
T-TT-0260-132018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL. Customer?s experiencing this condition can use a 3rd party podcast application on their iPhone (such as Pocket Casts or Instances) instead of the native Apple Podcast application.
T-SB-0007-13 Rev2018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE. This bulletin is now obsolete. Please see T-SB-0133-14
T-SB-0006-13 Rev2018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING 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 Map Update? SST. A Gracenote® update must be performed before a Navigation Map Update. A Navigation Map Update is not required to complete the Gracenote® update. Use the process described in this bulletin to perform the update.
T-SB-0093-12 Rev2018-04-02. Service bulletin. UNKNOWN OR OTHER. This bulletin is no longer applicable and is now obsolete.
T-SB-0163-132018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Use the following procedures to check and/or update the software version of Entune/Navigation for Non-HDD Type units.
T-SB-0051-13 Rev2018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Applicability has been updated to include 2014 model year Avalon, Avalon HV, Camry, Camry HV, Prius, Prius C, Prius PHV, Prius V, Venza vehicles. Vehicle equipped with a Display Audio Navigation System and Entune (version less than 2.1.0) may exhibit one or more of the following conditions. Vehicle orientation slow to update after vehicle start up. Five Bing results are not all displayed on the map.
T-SB-0026-12 Rev2018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This bulletin is now obsolete. Please see T-SB-0163-13 .
T-SB-0122-11 Rev2018-04-02. Service bulletin. AIR BAGS; SEATS; EQUIPMENT. Beginning in 1998, Toyota introduced side airbags as optional equipment. Toyota does NOT recommend replacement of original seat covers with non-Toyota leather or other seat cover materials on vehicles due to the following: Seat covers NOT recommended by Toyota may affect side airbag performance, in general or in part, during an accident. Modifications that negatively affect side airbag performance can result in severe occupant injuries. Seat covers are an integral part of this safety system. Replacing fabric seat covers with non-Toyota leather or other seat cover materials may compromise the effectiveness of this safety system. The design of the seat is complex, integrating safety and strength with comfort and luxury. Toyota strongly discourages modifying original equipment seats that have optional side airbags. Additionally, Toyota strongly advises against the installation or use of aftermarket seat covers, which could impair the performance of the side airbags in the event of an accident.
T-TT-0128-112018-04-02. Service bulletin. EQUIPMENT. The Premium Display Audio type Entune system does not connect to the internet when using an iPhone.
T-TT-0124-112018-04-02. Service bulletin. TIRES. Please refer to the following recommendations for the best practices for vehicle tire rotations.
T-TT-0240-132018-04-02. Service bulletin. EQUIPMENT. When diagnosing audio, navigation, and Bluetooth concerns on Toyota vehicles equipped with Premium Display Audio with Entune, adhere to the guidelines listed below.
T-SB-0075-132018-04-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Some 2010-2012 model year Prius vehicles equipped with a 2ZR-FXE engine may exhibit a MIL "ON" condition with Diagnostic Trouble Code P0401 (Exhaust Gas Recirculation Flow insufficient Detected) present. The Exhaust Gas Recirculation Valve has been improved to address this condition.
T-TT-0278-132018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). The customer is unable to delete their call history or contacts from the Denso GEN7 Navigation System. The ?delete? soft button on the multi-information display is greyed out and not selectable.
TS-BO030-01 Obso2018-04-02. Service bulletin. VISIBILITY/WIPER. This bulletin is now obsolete. Please see T-SB-0185-13.
T-SB-0185-132018-04-02. Service bulletin. VISIBILITY. The following procedures are recommended during routine maintenance or in the event of a customer concern for wiper performance.
T-SB-0142-132018-04-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Some 2004 ? 2014 model year Toyota vehicles may exhibit odors naturally occurring from the HVAC system and/or related environmental factors. Although there is no way to eliminate these odors, follow the General Procedure in this bulletin to minimize the odors experienced.
T-SB-0141-132018-04-02. Service bulletin. EQUIPMENT; PARKING BRAKE. A new Special Service Tool (SST 09709-00002) has been introduced to aid in the inspection procedure for certain vehicles equipped with a floor pedal-type parking brake system. This bulletin references the correct method for installing the Brake Pedal Force Gauge. Refer to the appropriate Repair Manual for parking brake pedal travel inspection and adjustment specification.
T-TT-0213-132018-04-02. Service bulletin. AIR BAGS. Toyota vehicles are equipped with Supplemental Restraint Systems (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 pre-tensioner devices did not perform as expected (including an unintended deployment event), please follow the steps in the recommendations section below.
T-SB-0051-13 Rev2018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Some 2012 model year 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:
T-SB-0187-12 Rev2018-04-02. Service bulletin. TIRES. 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. With run-flat tires, due to reinforced sidewalls, it is possible to drive for up to 100 miles (160 km) at speeds less than 55 mph (90 km/h) with little or no damage to the tire.
T-TT-0268-132018-04-02. Service bulletin. EQUIPMENT. Customer complains of Bluetooth connectivity concerns such as: Difficulty to pair phone, Intermittent Bluetooth failure to connect to the vehicle when first turning on the vehicle. 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 they have restored their phone data/settings recently.
T-TT-0262-132018-04-02. Service bulletin. ENGINE. Starting with the 2010 Model Year, Toyota began a gradual transition to the use of synthetic 0w-20 viscosity engine oil. There are multiple benefits of this oil. Due to the improved performance and durability of 0w-20 synthetic oil, Toyota has extended the oil change intervals to 10,000 miles for most vehicle that require this oil.
T-SB-0198-11 Rev2018-04-02. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. For vehicles that are used under certain severe operating conditions, the HV Battery Cooling Fan may experience an excessive buildup of dust, lint, or other debris that can reduce the efficiency of the HV Battery Cooling System. HV Battery Cooling Fan maintenance and cleaning should be performed to address this condition.
T-SB-0005-13 Rev2018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Toyota models equipped with the Display Audio 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 Activation Card Number (ACN) pamphlet available through the normal parts ordering system. Use the process described in this bulletin to perform an update.

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