2012 Toyota Prius CService bulletins
2012 Toyota Prius C Technical Service Bulletins
366 technical service bulletins (TSBs) are on record for the 2012 Toyota Prius C. 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.
- 10109587Aug 19, 2014Equipment. Tech Tip: Since MY 2011, several different update or upgrade USB SSTs have been issued for Toyota audio and navigation systems.
- 10132742Jul 29, 2014Electrical system, Visibility (wipers, defrost, mirrors). Tech Tip: Tips for writing a DPR (Dealer Product Report) on manufacturing issues for windows and windshields.
- 10132715Jul 25, 2014Equipment. TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased.
- 10132741Jul 8, 2014Engine. Tech Tip: Starting with the 2010 Model Year, Toyota began a gradual transition to the use of synthetic 0w20 viscosity engine oil. There are multiple benefits of this oil including: Reduced friction and wear on engine surfaces, Improved fuel economy, Reduction in waste oil stream (in vehicles approved for 10,000 mile oil change intervals), Reduced maintenance cost (in vehicles approved for 10,000 mile oil change…
- 10132708Jul 7, 2014Equipment. TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased.
- 10132762Jun 12, 2014Electrical system. TSB: 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).
- 10132815May 21, 2014Fuel system, Equipment. Tech Tip: Greenhouse Gas Logic (GHG) has been implemented on Toyota A/C Systems to reduce tailpipe emissions. The Federal government issues CAFÉ (Corporate Average Fuel Economy) credits to vehicle manufacturers that implement new technologies that reduce the carbon footprint of the vehicles they produce.
- 10132812May 1, 2014Engine, Back-over prevention (rear camera). Tech Tip: Low battery voltage can contribute to a MIL "ON" condition for P0335 (Crankshaft Position Sensor Circuit) and/or P0340 (Camshaft Position Sensor Circuit) due to inconsistent rotational speed of the engine's crankshaft.
- 10131826Apr 28, 2014Engine cooling. 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…
- 10131933Feb 28, 2014Equipment. 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…
- 10060688Feb 28, 2014Electrical system. Summary to be provided on a future date.
- 10131930Feb 11, 2014Equipment. Since MY 2011, several different update or upgrade USB SSTs have been issued for Toyota audio and navigation systems. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability.
- 10131927Feb 4, 2014Engine. 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.
- 10131902Feb 4, 2014Equipment. 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…
- 10131952Jan 27, 2014Equipment. 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:
- 10131951Jan 23, 2014Tires. 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.
- 10131961Jan 14, 2014Air 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.
- 10062075Dec 23, 2013Equipment. Summary to be provided on a future date.
- 10131993Dec 19, 2013Visibility (wipers, defrost, mirrors). This bulletin is now obsolete. Please see T-SB-0185-13.
- 10131988Dec 19, 2013Visibility (wipers, defrost, mirrors). The following procedures are recommended during routine maintenance or in the event of a customer concern for wiper performance.
- 10132064Nov 18, 2013Other or unknown. This bulletin is no longer applicable and is now obsolete.
- 10132058Nov 6, 2013Equipment. Use the following procedures to check and/or update the software version of Entune/Navigation for Non-HDD Type units.
- 10132057Nov 6, 2013Equipment. 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.
- 10132056Nov 6, 2013Equipment. This bulletin is now obsolete. Please see T-SB-0163-13 .
- 10061636Nov 6, 2013Equipment. Summary to be provided on a future date.
- 10132055Nov 4, 2013Seats, Air bags, 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…
- 10132135Oct 24, 2013Equipment, Electrical system. 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.
- 10062070Oct 24, 2013Equipment. Summary to be provided on a future date.
- 10132136Oct 23, 2013Visibility (wipers, defrost, mirrors). The appearance of spots in tempered glass (when viewed at certain angles) is the result of the heat treating and quick quenching process during manufacturing.
- 10132134Oct 23, 2013Equipment. Some vehicles equipped with Display Audio may exhibit a condition where the touch screen is inoperative.
- 10132137Oct 2, 2013Equipment, Engine cooling. If a customer states there is an unpleasant odor in the vehicle from the HVAC system, there are various factors that may be involved.
- 10132131Oct 2, 2013Engine. 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
- 10132130Oct 2, 2013Equipment. 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.
- 10062066Oct 2, 2013Equipment. Summary to be provided on a future date.
- 10062065Oct 2, 2013Equipment. Summary to be provided on a future date.
- 10132163Sep 27, 2013Equipment. iTunes Radio is a new feature for iPhone 4, 4S, 5, 5S, and 5C running iOS 7 or later. This feature does work with the in-vehicle audio system either via Bluetooth or by USB cable. Details on how to access this feature are described below.
- 10062063Sep 27, 2013Equipment. Summary to be provided on a future date.
- 10132161Sep 26, 2013Equipment. Customers using iPhone 4, 4S, 5, 5S, or 5C running iOS 7.0 or later now have the ability to make Facetime Audio calls (no video). When a customer is paired by Bluetooth Hands Free and they make a Facetime Audio call the vehicle radio will treat it as a typical Bluetooth phone call. Because Facetime works differently than a typical phone call, the in-vehicle experience may not meet the customer?s expectations.
- 10062062Sep 26, 2013Equipment. Summary to be provided on a future date.
- 10062019Sep 25, 2013Equipment. Summary to be provided on a future date.
- 10132157Sep 13, 2013Equipment. To receive satellite radio functions after the initial trial period has expired, the customer must enter into a contract with XM Satellite Radio Inc. After entering into a contract, registration of an 8-digit XM Radio ID is required. This 8-digit XM Radio ID is found by turning to channel ?0? of the satellite radio.
- 10132156Sep 13, 2013Equipment. If a customer states there is an unpleasant odor in the vehicle from the HVAC system, there are various factors that may be involved.
- 10062013Sep 13, 2013Equipment. Summary to be provided on a future date.
- 10131985Sep 12, 2013Equipment. 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.
- 10131984Sep 9, 2013Equipment, Brakes. 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.
- 10131979Sep 5, 2013Transmission and drivetrain. Some 2012 ? 2013 model year Camry, Venza, and 2013 model year Avalon and Sienna vehicles equipped with 2GR-FE engines may exhibit a MIL ?ON? condition with Diagnostic Trouble Code (DTC) P219A or P219B present. The Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition occurring. Please follow the repair procedure below to address this…
- 10062057Aug 27, 2013Equipment. Summary to be provided on a future date.
- 10062047Aug 5, 2013Equipment. Summary to be provided on a future date.
- 10062009Aug 2, 2013Equipment. Summary to be provided on a future date.
- 10132269Jul 25, 2013Visibility (wipers, defrost, mirrors). Tips for writing a DPR (Dealer Product Report) on manufacturing issues for windows and windshields.
← All problems reported for the 2012 Toyota Prius C
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.