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Service bulletins for the 2016 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.

232 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
T-SB-0234-17_Obs2019-02-19. Service bulletin. EQUIPMENT. TSB: OBSOLETE NOTICE January 04, 2019: This bulletin is now obsolete. Please see T-SB-0003-19 .
T-TT-0520-192019-02-19. Service bulletin. EQUIPMENT. TT: In certain cases of leaking air conditioning systems, the root cause of the leak is inadvertently overlooked, causing a repeat repair. To improve customer satisfaction and repair A/C system leaks in one dealer visit, Toyota has developed a set of guidelines for evaluating A/C system components.
T-SB-0003-192019-02-19. Service bulletin. EQUIPMENT. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0234-17. ? The Introduction and Software Update Procedure sections have been updated. Service Bulletin No. T-SB-0234-17 is obsolete and any printed versions should be discarded. Some 2016 model year vehicles equipped with Entune? Audio (version UU.11.13), Entune? Audio Plus (version EU.20.21) or Entune? Premium Audio (CU.20.22) or older may exhibit one or more of the following conditions: ? Bluetooth® audio information is missing from instrument cluster MID ? Long street names are not indicated when using turn-by-turn directions ? Abnormal navigation routing ? Toyota Park Assist Settings button displays in the Settings menu ? System is unable to call phone numbers with ?-? present in the number ? System is unable to send SMS via the Quick Message feature ? Abnormal Bluetooth® audio playback when inserting and removing the iPhone® USB cable from the USB port ? System is unable to play audio from iPhone® connected via USB when two phones are connected via Bluetooth® at the same time ? Browse button operates intermittently in Bluetooth® Audio ? Screen flickers when switching between day and night modes ? Abnormal Pandora Internet Radio operation when switching between two iPhones ? Unit reboots intermittently ? Diagnostic Trouble Code (DTC) U1110 or B15E6 is present ? Diagnostic screen displays intermittently ? Weather Map is inoperative ? ?Unable to connect to server? displays when using voice recognition and searching for ?IHOP? ? Panoramic view monitor operates abnormally
T-TT-0515-182019-02-19. Service bulletin. EQUIPMENT; FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA; FORWARD COLLISION AVOIDANCE. TT: When adjusting the Forward Recognition Camera on vehicles with Toyota Safety Sense, it can be difficult to print the repair manual target to the proper size.
T-SB-0033-14_Rev2019-02-19. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. TSB: Some vehicles in particular geographic areas may exhibit a condition where the HVAC evaporator drain hose has become obstructed with an insect nest. An insect repellent drain hose tip (ARINIX® Tip) is now available to help minimize future occurrences of this environmental condition. For some models, a new drain hose is required to properly fit the ARINIX® Tip. Follow the procedures in this bulletin for proper handling and installation of this optional service part.
T-TT-0378-152018-12-17. Service bulletin. EQUIPMENT. TT: Some customers may experience intermittent Bluetooth disconnections if they turn off Bluetooth audio in the Bluetooth connection menu on an Android phone
T-TT-0375-152018-12-17. Service bulletin. EQUIPMENT. TT: For customer concerns of no or poor outgoing sound from the Bluetooth systems there are diagnostics in the repair manual which can be performed to diagnose the condition.
T-TT-0377-152018-12-17. Service bulletin. EQUIPMENT. TT: Some customers may experience poor outgoing Bluetooth sound quality, this can occur for various reasons. Current multimedia systems are designed with the ability to adjust Bluetooth sound quality to compensate for Echo or excessive background noise.
T-SB-0124-152018-12-17. Service bulletin. ELECTRICAL SYSTEM. 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-SB-0122-152018-12-17. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. TSB: Pre-Delivery Service (PDS) is a critical step in satisfying your dealership's new car customers. Customer feedback indicates the following areas deserve special attention when performing PDS: ? Careful inspection for paint chips/scratches and body dents/dings. ? Proper operation of electrical accessories (including interior light, clock, and radio reset). ? Interior cleanliness. ? Proper function of mechanical systems. Customer retention and proper maintenance of vehicles has been a major focus for Toyota. To help remind customers that regular oil changes are essential to the proper maintenance of their vehicle, dealers are required to begin installing a first oil change reminder sticker prior to delivery. By doing this, customers will be reminded to return to your dealership for their first oil change. Your current oil change reminder sticker may be used. (See PDS Check Sheet item 7 of ?Final Inspection & Cleaning.?)
T-SB-0119-152018-12-17. Service bulletin. EQUIPMENT. 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.
TTT043217 Rev12018-12-17. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TT: Some Customers may complain about a Hybrid Vehicle Battery cooling system warning message. This warning message may appear when the HV Battery cooling system loses efficiency due to debris on the filter and or some object obstructing the air inlet.
TTT0432172018-12-17. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TT: Some Customers may complain about a Hybrid Vehicle Battery cooling system warning message. This warning message may appear when the HV Battery cooling system loses efficiency due to debris on the filter and or some object obstructing the air inlet.
TSB0182172018-12-17. Service bulletin. ELECTRICAL SYSTEM. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0101-11. Applicability has been updated to include 2016 ? 2017 model year vehicles. Service Bulletin No. T-SB-0101-11 is Obsolete and any printed versions should be discarded. Be sure to review the entire content of this bulletin before proceeding. 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.
J0D Dealer Daily2018-12-17. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Dealer Daily Message: Special Service Campaign J0D ? Remedy Notice Certain 2014 ? 2017 Model Year Toyota Corolla Vehicles Certain 2017 Model Year Toyota Corolla iM Vehicles Certain 2016 Model Year Scion iM Vehicles. Continuously Variable Transaxle (CVT) Software Update Special Service Campaign J0D Dealer Letter and Technical Instructions now available on TIS. Refer to the Dealer Letter and Technical Instructions on TIS for additional information.
J0D Technical In2018-12-17. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Technical Instructions: TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN J0D CONTINUOUSLY VARIABLE TRANSAXLE SOFTWARE UPDATE CERTAIN 2014-2017 TOYOTA Corolla, CERTAIN 2017 TOYOTA Corolla iM, CERTAIN 2016 SCION iM
J0D Region Lette2018-12-17. Service bulletin. POWER TRAIN. Region Letter: The subject vehicles? transmission has improper programming that could lead a component to unnecessarily cycle and experience abnormal wear. If this component becomes damaged, the malfunction indicator lamp may illuminate in the instrument cluster and the vehicle could experience a reduction of speed. After reaching a pre-determined gear ratio, the vehicle can be operated up to approximately 37 mph.
J0D Dealer Lette2018-12-17. Service bulletin. POWER TRAIN. Dealer Email: The subject vehicles? transmission has improper programming that could lead a component to unnecessarily cycle and experience abnormal wear. If this component becomes damaged, the malfunction indicator lamp may illuminate in the instrument cluster and the vehicle could experience a reduction of speed. After reaching a pre-determined gear ratio, the vehicle can be operated up to approximately 37 mph.
J0D Region Email2018-12-17. Service bulletin. POWER TRAIN. Region Email: The subject vehicles? transmission has improper programming that could lead a component to unnecessarily cycle and experience abnormal wear. If this component becomes damaged, the malfunction indicator lamp may illuminate in the instrument cluster and the vehicle could experience a reduction of speed. After reaching a pre-determined gear ratio, the vehicle can be operated up to approximately 37 mph.
T-SB-0134-162018-12-03. Service bulletin. ELECTRICAL 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). 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-0414-16-Rev2018-12-03. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. 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.
T-TT-0503-182018-12-03. Service bulletin. LANE DEPARTURE: BLIND SPOT DETECTION. TT: When used in conjunction with the Repair Manual, these Blind Spot Monitor, Forward Recognition Camera, and Front Millimeter Wave Radar tips leverage SSTs and readily available tools to support target placement in varying shop environments.
T-SB-0134-162018-11-26. Service bulletin. ENGINE. 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). 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.
JSD-Technical In2018-11-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:SOFTWARE. Technical Instructions: TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN JSD CONTINUOUSLY VARIABLE TRANSAXLE SOFTWARE UPDATE CERTAIN 2014-2017 TOYOTA Corolla CERTAIN 2017 TOYOTA Corolla iM CERTAIN 2016 SCION iM UPDATE 8-20-2018
T-TT-0503-182018-11-26. Service bulletin. LANE DEPARTURE: BLIND SPOT DETECTION. TT: When used in conjunction with the Repair Manual, these Blind Spot Monitor, Forward Recognition Camera, and Front Millimeter Wave Radar tips leverage SSTs and readily available tools to support target placement in varying shop environments.

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