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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.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
T-SB-0051-13 Rev2017-08-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). TSB: August 19, 2015: This bulletin is now obsolete. Please see T-SB-0061-15
T-TT-0337-152017-08-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); 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-SB-0101-11 Rev2017-08-14. Service bulletin. ELECTRICAL SYSTEM. TSB: When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Many lubricants, cleaners, and automotive chemicals contain silicone or other compounds that may contaminate electrical contacts, and therefore increase electrical resistance and decrease switch performance. The use of any cleaners or fluids may increase the risk of further damage to electrical components.
T-TT-0345-152017-08-14. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; HYBRID PROPULSION SYSTEM. TT: Some Prius PHV customers may have notice a change in the displayed EV Distance or have a concern about the HV Battery performace based on this value.
T-SB-0108-15 Rev2017-08-14. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL. TSB: Revision Notice: Required Tools and Equipment has been updated to include a NEW USB Drive Map Update. Any Previous printed versions of this bulleting should be discarded. 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 (e.g., 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-TT-307-14 Rev12017-08-14. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. TT: Customers complain of various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed through the audio/navigation system, and the inability to place a hands free phone call using the audio/navigation system.
T-TT-0268-13 Rev2017-08-14. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. 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. 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.
TT-0307-14 Rev22017-08-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. TT: Some customers may encounter various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed through the audio/navigation system, and the inability to place a hands free phone call using the audio/navigation system.
T-TT-0337-152017-08-14. 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-SB-0101-11 Rev2017-08-14. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM. TSB: When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Many lubricants, cleaners, and automotive chemicals contain silicone or other compounds that may contaminate electrical contacts, and therefore increase electrical resistance and decrease switch performance. The use of any cleaners or fluids may increase the risk of further damage to electrical components.
T-SB-0028-152017-08-14. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. TSB: Some 2012 - 2014 model year Prius V vehicles may exhibit a condition in which a lens in the combination meter develops a hazy or foggy appearance. Follow the Repair Procedure in this bulletin to address this condition.
T-TT-0345-152017-08-14. Service bulletin. HYBRID PROPULSION SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TT: Some Prius PHV customers may have notice a change in the displayed EV Distance or have a concern about the HV Battery performace based on this value.
T-TT-0344-152017-08-14. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE. TT: iPhone text messages do not appear on multimedia display.
T-TT-0185-122017-08-01. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY. Tech Tip: 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.
T-SB-0133-142017-08-01. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE. 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 normal parts ordering system.
T-SB-0006-13 Rev2017-08-01. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE. TSB: 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 (e.g., 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.
T-TT-0309-142017-08-01. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Tech Tip: 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.
T-TT-0307-142017-08-01. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Tech Tip: Customer complains of carious Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed through the audio/navigation system, and the inability to place a hands free phone call using the audio/navigation system.
ZF5_DEALER DAILY2017-04-05. Service bulletin. HYBRID PROPULSION SYSTEM: INVERTER; ELECTRICAL SYSTEM. DEALER DAILY: WARRANTY ENHANCEMENT PROGRAM ZF5 DEALER LETTER NOW AVAILABLE ON TIS.
ZF5_WARRANTY POL2017-04-05. Service bulletin. ELECTRICAL SYSTEM; HYBRID PROPULSION SYSTEM: INVERTER. WARRANTY POLICY BULLETIN (POL16-02): TOYOTA HAS RECEIVED SOME REPORTS INDICATING THE INTELLIGENT POWER MODULE (IPM) LOCATED INSIDE THE INVERTER ASSEMBLY OF THE HYBRID SYSTEM MAY FAIL. THIS CONDITION IS INDICATED BY THE HYBRID SYSTEM DIAGNOSTIC TROUBLE CODES (DTCS): P0A94, P324E, P3004, AND/OR P0A1A. IF ONE OR MORE OF THESE DTCS ARE DETECTED, VARIOUS WARNING LAMPS ON THE INSTRUMENT PANEL WILL ILLUMINATE AND THE VEHICLE WILL ENTER FAIL SAFE MODE.
ZF5_T-SB-0036-162017-04-05. Service bulletin. HYBRID PROPULSION SYSTEM: INVERTER; ELECTRICAL SYSTEM. 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.
ZF5_DEALER LETTE2017-04-05. Service bulletin. HYBRID PROPULSION SYSTEM: INVERTER; ELECTRICAL SYSTEM. DEALER LETTER: IN THESE VEHICLES, TOYOTA HAS RECEIVED SOME REPORTS WHERE THE INTELLIGENT POWER MODULE (IPM) LOCATED INSIDE THE INVERTER ASSEMBLY OF THE HYBRID SYSTEM MAY FAIL. THIS CONDITION IS INDICATED BY HYBRID SYSTEM DIAGNOSTIC TROUBLE CODES (DTCS): P0A94, P324E, P3004, AND/OR P0A1A. IF ONE OR MORE OF THESE DTCS ARE DETECTED, VARIOUS WARNING LAMPS ON THE INSTRUMENT PANEL WILL ALSO ILLUMINATE AND THE VEHICLE WILL ENTER FAIL SAFE MODE. ALTHOUGH THE HYBRID INVERTER ASSEMBLY IS COVERED BY TOYOTA’S NEW VEHICLE LIMITED WARRANTY FOR 8 YEARS OR 100,000 MILES (WHICHEVER OCCURS FIRST), WE AT TOYOTA CARE ABOUT THE CUSTOMERS’ OWNERSHIP EXPERIENCE. TOYOTA IS NOW EXTENDING THE WARRANTY COVERAGE FOR REPAIRS RELATED TO FAILURE OF THE INTELLIGENT POWER MODULE (IPM). PLEASE SEE THE WARRANTY ENHANCEMENT PROGRAM DETAILS FOR ADDITIONAL INFORMATION.
ZF5_DEALER EMAIL2017-04-05. Service bulletin. ELECTRICAL SYSTEM; HYBRID PROPULSION SYSTEM: INVERTER. DEALER EMAIL: IN THESE VEHICLES, TOYOTA HAS RECEIVED SOME REPORTS WHERE THE INTELLIGENT POWER MODULE (IPM) LOCATED INSIDE THE INVERTER ASSEMBLY OF THE HYBRID SYSTEM MAY FAIL. THIS CONDITION IS INDICATED BY HYBRID SYSTEM DIAGNOSTIC TROUBLE CODES (DTCS): P0A94, P324E, P3004, AND/OR P0A1A. IF ONE OR MORE OF THESE DTCS ARE DETECTED, VARIOUS WARNING LAMPS ON THE INSTRUMENT PANEL WILL ALSO ILLUMINATE AND THE VEHICLE WILL ENTER FAIL SAFE MODE. ALTHOUGH THE HYBRID INVERTER ASSEMBLY IS COVERED BY TOYOTA’S NEW VEHICLE LIMITED WARRANTY FOR 8 YEARS OR 100,000 MILES (WHICHEVER OCCURS FIRST), WE AT TOYOTA CARE ABOUT THE CUSTOMERS’ OWNERSHIP EXPERIENCE. TOYOTA IS NOW EXTENDING THE WARRANTY COVERAGE FOR REPAIRS RELATED TO FAILURE OF THE INTELLIGENT POWER MODULE (IPM). PLEASE SEE THE WARRANTY ENHANCEMENT PROGRAM DETAILS FOR ADDITIONAL INFORMATION.
ZF5_REGION LETTE2017-04-05. Service bulletin. ELECTRICAL SYSTEM; HYBRID PROPULSION SYSTEM: INVERTER. REGIONLETTER: IN THESE VEHICLES, TOYOTA HAS RECEIVED SOME REPORTS WHERE THE INTELLIGENT POWER MODULE (IPM) LOCATED INSIDE THE INVERTER ASSEMBLY OF THE HYBRID SYSTEM MAY FAIL. THIS CONDITION IS INDICATED BY HYBRID SYSTEM DIAGNOSTIC TROUBLE CODES (DTCS): P0A94, P324E, P3004, AND/OR P0A1A. IF ONE OR MORE OF THESE DTCS ARE DETECTED, VARIOUS WARNING LAMPS ON THE INSTRUMENT PANEL WILL ALSO ILLUMINATE AND THE VEHICLE WILL ENTER FAIL SAFE MODE. ALTHOUGH THE HYBRID INVERTER ASSEMBLY IS COVERED BY TOYOTA’S NEW VEHICLE LIMITED WARRANTY FOR 8 YEARS OR 100,000 MILES (WHICHEVER OCCURS FIRST), WE AT TOYOTA CARE ABOUT THE CUSTOMERS’ OWNERSHIP EXPERIENCE. TOYOTA IS NOW EXTENDING THE WARRANTY COVERAGE FOR REPAIRS RELATED TO FAILURE OF THE INTELLIGENT POWER MODULE (IPM). PLEASE SEE THE WARRANTY ENHANCEMENT PROGRAM DETAILS FOR ADDITIONAL INFORMATION.
ZF5_REGION EMAIL2017-04-04. Service bulletin. HYBRID PROPULSION SYSTEM: INVERTER; ELECTRICAL SYSTEM. REGION EMAIL: IN THESE VEHICLES, TOYOTA HAS RECEIVED SOME REPORTS WHERE THE INTELLIGENT POWER MODULE (IPM) LOCATED INSIDE THE INVERTER ASSEMBLY OF THE HYBRID SYSTEM MAY FAIL. THIS CONDITION IS INDICATED BY HYBRID SYSTEM DIAGNOSTIC TROUBLE CODES (DTCS): P0A94, P324E, P3004, AND/OR P0A1A. IF ONE OR MORE OF THESE DTCS ARE DETECTED, VARIOUS WARNING LAMPS ON THE INSTRUMENT PANEL WILL ALSO ILLUMINATE AND THE VEHICLE WILL ENTER FAIL SAFE MODE. ALTHOUGH THE HYBRID INVERTER ASSEMBLY IS COVERED BY TOYOTA’S NEW VEHICLE LIMITED WARRANTY FOR 8 YEARS OR 100,000 MILES (WHICHEVER OCCURS FIRST), WE AT TOYOTA CARE ABOUT THE CUSTOMERS’ OWNERSHIP EXPERIENCE. TOYOTA IS NOW EXTENDING THE WARRANTY COVERAGE FOR REPAIRS RELATED TO FAILURE OF THE INTELLIGENT POWER MODULE (IPM). PLEASE SEE THE WARRANTY ENHANCEMENT PROGRAM DETAILS FOR ADDITIONAL INFORMATION.

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