Service bulletins for the 2012 Toyota Prius V
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.
496 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Electrical system are shown. Show all
| T-SB-0036-16 | 2018-06-11. Service bulletin. ENGINE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TSB: Some 2010 ? 2014 Prius and 2012 ? 2014 Prius V model vehicles may exhibit a MIL ?ON? condition with DTCs P0A94, P324E, P0A1A, or P3004, indicating a malfunction has occurred in the hybrid inverter assembly. To help identify the specific components within the inverter assembly that need to be replaced, follow the steps in this service bulletin to address the condition. |
|---|---|
| T-TT-0395-16 | 2018-06-11. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; 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. |
| T-TT-0392-16 Rev | 2018-06-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. TT: Some customers may experience Bluetooth connection issues after updating the Android Operating System to 5.x.x (Lollipop) or later. |
| T-TT-0293-14 Rev | 2018-04-23. Service bulletin. ELECTRICAL SYSTEM. TT: Safety Connect is a vehicle option which requires a subscription fee for the system to be active. The first year of service is provided in the vehicle purchase price. Once the subscription has lapsed the DCM will be in an inactive state. In some instances, a DCM may need to be replaced even though the customer is not using the service. |
| T-SB-0163-13 Rev | 2018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. TSB: Use the following procedures to check and/or update the software version of Entune/Navigation for Non-HDD Type units. |
| T-TT-0374-15 | 2018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 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. |
| TTT-0268-13 Rev3 | 2018-04-23. Service bulletin. ELECTRICAL SYSTEM. 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. Make sure to inquire with the customer if the connectivity concerns occurred after receiving an operating system update on their phone or if they have restored their phone data/settings recently. |
| T-TT-0385-16 | 2018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 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. |
| TTT-0337-15 Rev1 | 2018-04-23. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. TT: When updating either the navigation or radio firmware, verify the vehicle applicability BEFORE beginning the update. |
| T-TT-0365-15 | 2018-04-23. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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. |
| T-TT-0362-15 | 2018-04-23. Service bulletin. ENGINE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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. |
| TTT-0344-15 Rev1 | 2018-04-23. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. TT: iPhone text messages do not appear on multimedia dis[play. |
| T-TT-0360-15 | 2018-04-23. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. TT: Customers may experience connectivity issues when the following conditions are met: The customer's iPhone is operating on iOS9 firmware. The customer's iPhone is connected to the vehicle via Bluetooth. The customer may complain of the following issues: When receiving two incoming calls simultaneously, both calls are ended automatically. iTunes Radio app does not play via Bluetooth audio. Podcast and Audiobook media playback is inoperative via Bluetooth audio. |
| T-TT-0381-16 | 2018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Tech Tip: Some customers may experience difficulty programming HomeLink. |
| TSB-0012-13 Rev2 | 2018-04-23. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE. 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). Flash calibration updates can only be applied to the vehicle/ECU combination for which they are intended. ECUs have internal security that will not allow them to be programmed with another ECU?s information. |
| T-TT-0204-12 Rev | 2018-04-23. Service bulletin. ELECTRICAL 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. |
| T-TT-0203-12 Rev | 2018-04-23. Service bulletin. ELECTRICAL 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. |
| T-TT-0205-12 | 2018-04-23. Service bulletin. ELECTRICAL 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. |
| T-TT-0204-12 | 2018-04-23. Service bulletin. ELECTRICAL 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. |
| T-TT-0203-12 | 2018-04-23. Service bulletin. ELECTRICAL 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. |
| T-TT-0118-11 Rev | 2018-04-23. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. technicians should confirm the following key points to minimize the potential for future MIL "ON" concerns after HV Battery Replacement. |
| T-SB-0012-13 | 2018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 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. |
| T-SB-0026-12 Rev | 2018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Use the following procedures to check and/or update the software version of Entune/Navigation for Non-HDD Type Units. |
| T-SB-0007-13 | 2018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 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 normal parts ordering system. Use the process described in this bulletin to perform the update. |
| T-SB-0006-13 | 2018-04-23. Service bulletin. ELECTRICAL 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 is not required to complete the Gracenote® update. Use the process described in this bulletin to perform the update. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.