2012 Toyota Prius Plug-In Hybrid Technical Service Bulletins

93 technical service bulletins (TSBs) are on record for the 2012 Toyota Prius Plug-In Hybrid. 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.

• 10086287Jul 5, 2016Hybrid propulsion system, Electrical system. Tt: some prius phv customers may notice a change in the displayed ev distance or have a concern about the hv battery performance based on this value.
• 10134090Jun 16, 2016Engine cooling. Warranty Policy Bulletin (POL16-04): In these vehicles, Toyota has received some reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking Exhaust Gas Recirculation (EGR) Valve. If this occurs, the vehicle may illuminate the check engine light and set diagnostic trouble code (DTC) P0401.
• 10134089Jun 16, 2016Engine cooling. Dealer Letter: In these vehicles, Toyota has received some reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking Exhaust Gas Recirculation (EGR) Valve. If this occurs, the vehicle may illuminate the check engine light and set diagnostic trouble code (DTC) P0401.
• 10134088Jun 16, 2016Engine cooling. Dealer email: In these vehicles, Toyota has received some reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking Exhaust Gas Recirculation (EGR) Valve. If this occurs, the vehicle may illuminate the check engine light and set diagnostic trouble code (DTC) P0401.
• 10106447Jun 16, 2016Engine cooling. Warranty policy bulletin (pol16-04): in these vehicles, toyota has received some reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking exhaust gas recirculation (egr) valve. If this occurs, the vehicle may illuminate the check engine light and set diagnostic trouble code (dtc) p0401.
• 10106445Jun 16, 2016Engine cooling. Dealer letter: in these vehicles, toyota has received some reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking exhaust gas recirculation (egr) valve. If this occurs, the vehicle may illuminate the check engine light and set diagnostic trouble code (dtc) p0401.
• 10106442Jun 16, 2016Engine cooling. Dealer email: in these vehicles, toyota has received some reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking exhaust gas recirculation (egr) valve. If this occurs, the vehicle may illuminate the check engine light and set diagnostic trouble code (dtc) p0401.
• 10134087Jun 15, 2016Engine cooling. Region Letter: In these vehicles, Toyota has received some reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking Exhaust Gas Recirculation (EGR) Valve. If this occurs, the vehicle may illuminate the check engine light and set diagnostic trouble code (DTC) P0401.
• 10134086Jun 15, 2016Engine cooling. Region email: In these vehicles, Toyota has received some reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking Exhaust Gas Recirculation (EGR) Valve. If this occurs, the vehicle may illuminate the check engine light and set diagnostic trouble code (DTC) P0401.
• 10106419Jun 15, 2016Engine cooling. Region letter: in these vehicles, toyota has received some reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking exhaust gas recirculation (egr) valve. If this occurs, the vehicle may illuminate the check engine light and set diagnostic trouble code (dtc) p0401.
• 10106417Jun 15, 2016Engine cooling. Region email: in these vehicles, toyota has received some reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking exhaust gas recirculation (egr) valve. If this occurs, the vehicle may illuminate the check engine light and set diagnostic trouble code (dtc) p0401.
• 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…
• 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.
• 10134309Mar 31, 2016Engine cooling. TSB: Some Prius, Prius V, and Prius PHV vehciles may exhibit a rough idle or tapping noise from the HV transaxle at cold start. The Check Engine Light may also illuminate with (DTC) P0401 (Exhaust Gas Recirculation Flow Insufficient Detected). Due to excess carbon build-up at the valve assembly, the valve will stick, causing the engine RPM to fluctuate. Follow the procedures in this bulletin to address the condition.
• 10134238Mar 31, 2016Engine cooling. TSB: Some Prius, Prius V and Prius PHV vehicles may exhibit a vibration due to rough idle and/or tapping noise from the HV transaxle at cold start. The Check Engine Light may also illuminate with (DTC) P0401 (Exhaust Gas Recirculation Flow Insufficient Detected). Due to excess carbon build up at the valve assembly, the valve will stick causing the engine RPM to fluctuate. Follow the procedures in this bulletin to…
• 10096982Mar 31, 2016Engine cooling. Tsb: some prius, prius v, and prius phv vehciles may eexhibvit a rough idle or tapping noise from the hv transaxle at cold start. The check engine light may also illuminate with (dtc) p0401 (exhaust gas recirculation flow insufficient detected). Due to excess carbon build-up at the valve assembly, the valve will stick, causing the engine rpm to fluctuate. Follow the procedures in this bulletin to address the…
• 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. "
• 10097052Mar 8, 2016Equipment. "tt: some customers may encounter bluetooth connectivity concerns such as: • difficulty pairing the phone. • intermittent bluetooth failure to connect when first turning on the vehicle. • various bluetooth audio functions are no longer functioning with the customer’s phone, such as the ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer’s phone.
• 10096097Jan 11, 2016Equipment. Tech tip: some customers may experience difficulty programming homelink.
• 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. "
• 10093949Nov 19, 2015Engine. Tsb: some 2010 – 2015 model year prius (2zr-fxe equipped) vehicles and 2012 – 2015 model year prius phv and prius v (2zr-fxe equipped) vehicles may exhibit a “runs rough” and/or mil “on” condition with dtc(s) p030# (misfire) during light acceleration while the exhaust gas recirculation (egr) system is active. Replace the intake manifold assembly to address this condition.
• 10093871Nov 5, 2015Equipment. Tsb: toyota models equipped with premium hdd navigation (avn/aw-emv) system will periodically require an update to the gracenote database. Gracenote includes detailed information for songs (eg., 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…
• 10093870Nov 5, 2015Equipment. Tsb: 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…
• 10093784Nov 5, 2015Equipment. Tsb: obsolete notice november 5, 2015: this bulletin is now obsolete. Please see t-sb-0108-15
• 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…
• 10096332Oct 13, 2015Equipment. 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.
• 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.
• 10134225Sep 21, 2015Equipment. TT: Vehicle may arrive at the dealer with the charger cable not functioning. In some cases the cable is modified internally. NOTE: These types of modifications will void the warranty of the cable and HV Battery.
• 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.
• 10096562Sep 21, 2015Electrical system. Tt: vehicle may arrive at the dealer with the charger cable not functioning. In some cases the cable is modified internally. Note: these types of modifications will void the warranty of the cable and hv battery.
• 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.
• 10096555Sep 15, 2015Equipment. Tt: iphone text messages do not appear on multimedia dis[play.
• 10096612Aug 9, 2015Equipment. Tsb: august 19, 2015: this bulletin is now obsolete. Please see t-sb-0061-15
• 10134247Apr 6, 2015Equipment, Electrical system. TT: When updating either the navigation or radio firmware, verify the vehicle applicability BEFORE beginning the update.
• 10096036Jan 15, 2015Electrical system, Engine. "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).
• 10075949Sep 25, 2013Equipment. Some users may experience no sound from the Pandora or iHeartRadio Entune Applications after attaching the iPhone USB cable to the multimedia system. This can also occur if the user chooses the iPod selection on the multimedia system and then attempts to return to Pandora or iHeartRadio Entune Applications. This condition occurs with iPhones running iOS 6.0 and later
• 10197476May 4, 2001Equipment. Replacement vin plates.
• 10197473Jan 18, 1991Equipment. Product general information.

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