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.

• 10132857Oct 11, 2016Engine. Warranty Policy Bulletin: Toyota has received some reports where vehicles may exhibit excessive engine oil consumption. Toyota is now announcing the part replacement phase of Warranty Enhancement Program ZE7 for vehicles exhibiting excessive engine oil consumption.
• 10132642Oct 3, 2016Electrical system. TT: Some customers may experience Bluetooth disconnections or loss of SMS text message functionality on the navigation/audio system with Android phones running OS 4.4 or later. Condition tends to occur to customers who have many previous text messages on their phones.
• 10132641Oct 3, 2016Equipment. TT: A vehicle may arrive to the dealer with a MIL ?ON? condition and P0A80 stored in the memory. Some cases have been identified with internal modification done to the HV Battery. Modified or altered parts are not covered under warranty.
• 10150418Sep 14, 2016Electrical system. TSB: Supersession Notice. 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).
• 10149217Sep 14, 2016Engine. TSB: Supersession Notice. 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).
• 10111643Aug 30, 2016Equipment. 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.
• 10111627Aug 23, 2016Equipment, Electrical system. TSB: REVISION NOTICE August 23, 2016 Rev1: Applicability has been updated to include 2015 model year Prius and Prius PHV vehicles. Any previous printed versions of this bulletin should be discarded. 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.
• 10111577Aug 1, 2016Equipment. TSB: Revision Notice: Introduction has been updated. Any previous printed versions of this bulletin should be discarded.
• 10084301Aug 1, 2016Equipment, Electrical system. Tsb: revision notice: introduction has been updated. Any previous printed versions of this bulletin should be discarded.
• 10145776Jul 21, 2016Equipment. Update on Technician Certification Requirements.
• 10134345Jul 7, 2016Engine cooling. TSB: 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.
• 10087882Jul 7, 2016Electrical system, Hybrid propulsion system. Tsb: 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.
• 10086292Jul 7, 2016Electrical system, Hybrid propulsion system. Tsb: 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.
• 10142474May 24, 2016Electrical system. TT: Some customers may complain about a MIL ?ON? with a P0A80 DTC. In these cases, the HV Battery would need to be replaced. Along with the HV Battery replacement, the cooling system filter will need either cleaning or replacement. This TT provides information about the HV Battery cooling system filter.
• 10140632May 24, 2016Electrical system, Equipment. TT: Some customers may complain about a MIL ?ON? with a P0A80 DTC. In these cases, the HV Battery would need to be replaced. Along with the HV Battery replacement, the cooling system filter will need either cleaning or replacement. This TT provides information about the HV Battery cooling system filter.
• 10096908May 24, 2016Hybrid propulsion system, Electrical system. Tt: some customers may complain about a mil “on” with a p0a80 dtc. In these cases, the hv battery would need to be replaced. Along with the hv battery replacement, the cooling system filter will need either cleaning or replacement. This tt provides information about the hv battery cooling system filter.
• 10142464May 19, 2016Equipment, Body and structure. TSB: On some vehicles, when Rapgard? is removed, the paint may have a stained appearance. These stains appear to be under the clear coat (repainting this area is not necessary). The stain patterns are usually under wrinkles in the Rapgard?. These wrinkles sometimes trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces, such as the hood, roof, and trunk. Stains can be…
• 10140622May 19, 2016Body and structure. TSB: On some vehicles, when Rapgard? is removed, the paint may have a stained appearance. These stains appear to be under the clear coat (repainting this area is not necessary). The stain patterns are usually under wrinkles in the Rapgard?. These wrinkles sometimes trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces, such as the hood, roof, and trunk. Stains can be…
• 10096862May 19, 2016Equipment. Tsb: on some vehicles, when rapgard™ is removed, the paint may have a stained appearance. These stains appear to be under the clear coat (repainting this area is not necessary). The stain patterns are usually under wrinkles in the rapgard™. These wrinkles sometimes trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces, such as the hood, roof, and trunk. Stains can be…
• 10140582May 11, 2016Electrical system, Equipment. TT: HV Batteries have liquid filled cell modules, to prevent leakage from cells, it is very important to confirm the proper orientation mark of the DRC.
• 10092768May 11, 2016Equipment, Electrical system. Tt: hv batteries have liquid filled cell modules, to prevent leakage from cells, it is very important to confirm the proper orientation mark of the drc.
• 10140568May 4, 2016Electrical system. TT: Some customers may experience Bluetooth connection issues after updating the Android Operating System to 5.x.x (Lollipop) or later.
• 10092684May 4, 2016Equipment, Electrical system. Tt: some customers may experience bluetooth connection issues after updating the android operating system to 5.x.x (lollipop) or later.
• 10134415Apr 26, 2016Equipment. TT: Some customers may experience Bluetooth connection issues after updating the Android Operating System to 5.x.x (Lollipop) or later.
• 10134321Mar 8, 2016Electrical system. TT: 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.
• 10097055Mar 8, 2016Equipment. "tt: 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. "
• 10134281Feb 25, 2016Electrical system. Tech Tip: This Tech Tip is being provided to bring attention to the new location of the Entune/NAV/Map Update and Upgrade USB Directory. Click on the TIS tab, Diagnostics tab, Telematics tab, and the document is now located under the reference documents sections. This change has occurred to help speed up the updating process of this document.
• 10093361Feb 25, 2016Electrical system, Equipment. "tech tip: this tech tip is being provided to bring attention to the new location of the entune/nav/map update and upgrade usb directory. Click on the tis tab, diagnostics tab, telematics tab, and the document is now located under the reference documents sections. This change has occurred to help speed up the updating process of this document. "
• 10152247Dec 2, 2015Equipment. TSB: This bulletin includes basic procedures for performing a Rescue Charge on Ni-MH High Voltage (HV) Batteries. This bulletin should be used in conjunction with the Repair Manual while performing Rescue Charge. The GRX-5100 should be used wherever the Repair Manual references the Toyota Hybrid System (THS) Charger.
• 10093479Dec 2, 2015Electrical system. Tsb: this bulletin includes basic procedures for performing a rescue charge on ni-mh high voltage (hv) batteries. This bulletin should be used in conjunction with the repair manual while performing rescue charge. The grx-5100 should be used wherever the repair manual references the toyota hybrid system (ths) charger.
• 10152265Dec 1, 2015Equipment. TT: Since MY 2011, several different update or upgrade USB SST's have been issued for Toyota audio and navigation system. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability.
• 10093540Dec 1, 2015Equipment. "tt: since my 2011, several different update or upgrade usb sst's have been issued for toyota audio and navigation system. Refer to the chart below for a comprehensive list of all current and previously issued usb ssts and their applicability. "
• 10111486Nov 2, 2015Equipment, Electrical system. TSB: Obsolete Notice November 2, 2015: This bulletin is now obsolete. Please see T-SB-0101-15
• 10111482Nov 2, 2015Equipment, Electrical system. TSB: 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 Card Number (ACN) required for each vehicle. Activation Numbers are provided in an Activation Card Number (ACN) pamphlet available through the…
• 10093781Nov 2, 2015Equipment. Tsb: obsolete notice november 2, 2015: this bulletin is now obsolete. Please see t-sb-0101-15
• 10093774Nov 2, 2015Equipment. Tsb: 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 card number (acn) required for each vehicle. Activation numbers are provided in an activation card number (acn) pamphlet available through the…
• 10134227Sep 25, 2015Electrical system, Equipment. TT: A vehicle may arrive to the dealer with a MIL ?ON? condition and P0A80 stored in the memory. Some cases have been identified with internal modification done to the HV Battery. Modified or altered parts are not covered under warranty.
• 10096566Sep 25, 2015Electrical system. Tt: a vehicle may arrive to the dealer with a mil “on” condition and p0a80 stored in the memory. Some cases have been identified with internal modification done to the hv battery. Modified or altered parts are not covered under warranty.
• 10134224Sep 21, 2015Equipment. TT: 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.
• 10096561Sep 21, 2015Equipment. Tt: 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.
• 10134223Sep 15, 2015Engine, Electrical system. TT: The vehicle may be difficult to start or have an abnormally low or rough idle after the battery has been disconnected or power to the Engine ECM has been interrupted.
• 10134222Sep 15, 2015Electrical system, Equipment. TT: iPhone text messages do not appear on multimedia dis[play.
• 10096556Sep 15, 2015Electrical system, Engine. Tt: the vehicle may be difficult to start or have an abnormally low or rough idle after the battery has been disconnected or power to the engine ecm has been interrupted.
• 10096555Sep 15, 2015Equipment. Tt: iphone text messages do not appear on multimedia dis[play.
• 10134454Aug 24, 2015Transmission and drivetrain. TechTip: Condition - The vehicle may be difficult to start or have an abnormally low or rough idle after the battery has been disconnected or power to the Engine ECM has been interrupted.
• 10132529Aug 24, 2015Electrical system, Engine. TechTip: Condition - The vehicle may be difficult to start or have an abnormally low or rough idle after the battery has been disconnected or power to the Engine ECM has been interrupted.
• 10134432Aug 19, 2015Electrical system. TSB: Use the following procedures to check and/or update the software version of Entune/Navigation for Non-HDD Type units.
• 10132507Aug 19, 2015Equipment. TSB: Use the following procedures to check and/or update the software version of Entune/Navigation for Non-HDD Type units.
• 10111424Aug 19, 2015Electrical system, Equipment. TSB: August 19, 2015: This bulletin is now obsolete. Please see T-SB-0061-15
• 10096612Aug 9, 2015Equipment. Tsb: august 19, 2015: this bulletin is now obsolete. Please see t-sb-0061-15

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