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Service bulletins for the 2017 Toyota Prius C

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.

178 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-0234-17_Rev2018-08-20. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. TSB: REVISION NOTICE July 20, 2018 Rev2 ? Applicability has been updated to include 2018 model year Corolla, Prius C, RAV4, and RAV4 HV vehicles. ? The entire bulletin has been updated. February 21, 2018 Rev1: ? The Introduction and Software Update sections have been updated. Any previous printed versions of this bulletin should be discarded. SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0019-16. ? The Software Update section has been updated. Service Bulletin No. T-SB-0019-16 is obsolete and any printed versions should be discarded.
T-TT-0501-18_Rev2018-07-16. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. TT: Some customers may experience a voice recognition inoperative condition or abnormal Entune operation after performing an Entune update.
T-TT-0442-172018-07-02. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL; 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 expired the DCM (Telematics Transceiver) 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-TT-0397-162018-07-02. Service bulletin. 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.
T-TT-0397-162018-06-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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.
T-SB-0043-162018-06-11. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT. TSB: Hybrid vehicles are equipped with 2 types of batteries: Hybrid Vehicle (HV) battery; 12-volt auxiliary battery. If the hybrid vehicle is put into storage, the state of charge (SOC) of its HV battery and auxiliary battery will gradually decrease. To prevent the auxiliary battery from becoming discharged during storage, proper maintenance is necessary. Please perform the following maintenance service for the HV battery and 12-volt auxiliary battery.
T-SB-0039-162018-06-11. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TSB: A battery in a stored vehicle is subject to conditions that can reduce its performance and life. These conditions include storage period, temperature, parasitic drain, and battery load. Because of these factors, battery inspection and maintenance are required in order to ensure proper operation and optimal battery life. As a matter of policy, Toyota does not provide battery warranty coverage for discharged and/or failed batteries due to lack of maintenance. It is the dealer?s responsibility to maintain the specified State of Charge (SOC) of the vehicle?s battery while in stock and assure proper State of Charge (SOC) at delivery. To eliminate customer service concerns due to an undercharged battery during the first few weeks of ownership, ALL dealers should check battery State of Charge (SOC) and recharge, if necessary, within 48 hours of delivery to customers.
T-TT-0395-162018-06-11. 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.
TTT-0268-13 Rev32018-04-23. 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.
TSB-0039-16 Rev12018-04-23. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TSB: A battery in a stored vehicle is subject to conditions that can reduce its performance and life. These conditions include storage period, temperature, parasitic drain, and battery load. Because of these factors, battery inspection and maintenance are required in order to ensure proper operation and optimal battery life.
T-TT-0399-162018-04-23. Service bulletin. ELECTRICAL SYSTEM. TT: Multimedia systems reset procedure should be performed when the multimedia system no longer responds or reboots itself.
T-SB-0229-12_Rev2018-04-23. Service bulletin. ELECTRICAL SYSTEM. TSB: REVISION NOTICE November 22, 2017 Rev1: ? Applicability has been updated to include 2014 ? 2018 model year vehicles. Any previous printed versions of this bulletin should be discarded. In the event that a Toyota vehicle becomes submerged in water, many components may be physically damaged. Electrical and electronic components, including wiring harnesses, are particularly susceptible to corrosion and subsequent malfunction. Although any flooding can be damaging, salt water flooding elevates the potential for abnormal conditions and may increase risks due to its highly corrosive and conductive nature. Salt residue also continues to corrode and remain conductive even after a vehicle dries. This bulletin is intended to assist with safe handling and inspection of flood damaged vehicles and to provide basic guidance on likely needed repairs.
T-TT-0309-14 Rev2018-04-02. Service bulletin. ELECTRICAL 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.
T-TT-0365-15_Rev2018-04-02. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TT: Rev2 A vehicle may arrive to the dealer with a MIL ?ON? condition and P0A80 or P1AC000 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-0365-15 Rev2018-04-02. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TT: A vehicle may arrive to the dealer with a MIL ?ON? condition and P0A80 or P1AC000 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-SB-0234-17_Rev2018-03-12. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. TSB: REVISION NOTICE February 21, 2018 Rev1: ? The Introduction and Software Update sections have been updated. Any previous printed versions of this bulletin should be discarded. The information contained in this bulletin supersedes Service Bulletin No. T-SB-0019-16. ? The Software Update section has been updated. Service Bulletin No. T-SB-0019-16 is obsolete and any printed versions should be discarded. Be sure to review the entire content of this bulletin before proceeding.
T-SB-0162-13_Rev2018-02-21. Service bulletin. HYBRID PROPULSION SYSTEM; ELECTRICAL SYSTEM. TSB: REVISION NOTICE January 05, 2018 Rev1: ? Applicability has been updated to include 2012 ? 2017 Camry HV and Prius C, 2015 ? 2017 Prius V, 2006 ? 2017 Highlander HV, 2010 ? 2016 Prius, and 2016 ? 2017 RAV4 HV model year vehicles. ? The Repair Procedure section has been updated. Any previous printed versions of this bulletin should be discarded. Some 2006 ? 2017 Highlander HV, 2010 ? 2016 Prius, 2012 ? 2017 Camry HV, Prius C and Prius V, and 2016 ? 2017 RAV4 HV model year vehicles used under certain severe operating conditions may exhibit an excessive buildup of dust, lint, or other debris in the HV battery cooling fan, which can reduce the efficiency of the HV battery cooling system. Follow the Repair Procedure in this bulletin to address this condition.
T-SB-0234-172017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. TSB: Some 2016 - 2017 model year vehicles equipped with Entune Audio (version UU.10.48), Entune Audio Plus (version EU.10.68 or EU.20.25 or EU.20.28) or Entune? Premium Audio (CU.10.71 or CU.10.72 or CU.20.05 or CU.20.08) may exhibit 1 or more of the following conditions. SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0019-16. The Software Update section has been updated.
T-SB-0039-16 REV2017-06-12. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TSB: A BATTERY IN A STORED VEHICLE IS SUBJECT TO CONDITIONS THAT CAN REDUCE ITS PERFORMANCE AND LIFE. THESE CONDITIONS INCLUDE STORAGE PERIOD, TEMPERATURE, PARASITIC DRAIN, AND BATTERY LOAD. BECAUSE OF THESE FACTORS, BATTERY INSPECTION AND MAINTENANCE ARE REQUIRED IN ORDER TO ENSURE PROPER OPERATION AND OPTIMAL BATTERY LIFE.
T-TT-0399-162017-05-22. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM. TT: MULTIMEDIA SYSTEMS RESET PROCEDURE SHOULD BE PERFORMED WHEN THE MULTIMEDIA SYSTEM NO LONGER RESPONDS OR REBOOTS ITSELF.
T-SB-0043-162017-04-06. Service bulletin. ELECTRICAL SYSTEM. TSB: HYBRID VEHICLES ARE EQUIPPED WITH 2 TYPES OF BATTERIES: HYBRID VEHICLE (HV) BATTERY; 12-VOLT AUXILIARY BATTERY. IF THE HYBRID VEHICLE IS PUT INTO STORAGE, THE STATE OF CHARGE (SOC) OF ITS HV BATTERY AND AUXILIARY BATTERY WILL GRADUALLY DECREASE. TO PREVENT THE AUXILIARY BATTERY FROM BECOMING DISCHARGED DURING STORAGE, PROPER MAINTENANCE IS NECESSARY. PLEASE PERFORM THE FOLLOWING MAINTENANCE SERVICE FOR THE HV BATTERY AND 12-VOLT AUXILIARY BATTERY.
T-TT-0397-162017-04-05. Service bulletin. ELECTRICAL SYSTEM; HYBRID PROPULSION SYSTEM: INVERTER. 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.
T-SB-0039-162017-02-27. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TSB: A BATTERY IN A STORED VEHICLE IS SUBJECT TO CONDITIONS THAT CAN REDUCE ITS PERFORMANCE AND LIFE. THESE CONDITIONS INCLUDE STORAGE PERIOD, TEMPERATURE, PARASITIC DRAIN, AND BATTERY LOAD. BECAUSE OF THESE FACTORS, BATTERY INSPECTION AND MAINTENANCE ARE REQUIRED IN ORDER TO ENSURE PROPER OPERATION AND OPTIMAL BATTERY LIFE. AS A MATTER OF POLICY, TOYOTA DOES NOT PROVIDE BATTERY WARRANTY COVERAGE FOR DISCHARGED AND/OR FAILED BATTERIES DUE TO LACK OF MAINTENANCE. IT IS THE DEALER’S RESPONSIBILITY TO MAINTAIN THE SPECIFIED STATE OF CHARGE (SOC) OF THE VEHICLE’S BATTERY WHILE IN STOCK AND ASSURE PROPER STATE OF CHARGE (SOC) AT DELIVERY. TO ELIMINATE CUSTOMER SERVICE CONCERNS DUE TO AN UNDERCHARGED BATTERY DURING THE FIRST FEW WEEKS OF OWNERSHIP, ALL DEALERS SHOULD CHECK BATTERY STATE OF CHARGE (SOC) AND RECHARGE, IF NECESSARY, WITHIN 48 HOURS OF DELIVERY TO CUSTOMERS.
T-TT-0395-162017-02-23. Service bulletin. EQUIPMENT; 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.

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