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Service bulletins for the 2008 Toyota PRIUS

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.

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

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Bulletins, newest first
T-TT-0303-142018-04-23. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TechTip: When a DTC is detected by the HV Battery ECU, the HV Control ECU will automatically store a P3000, Information Code 123 ?HV Battery Control System Malfunction? DTC. The purpose of the P3000/123 is to capture the state of the Hybrid Control System when the HV Battery ECU DTC sets. It does not indicate a malfunction of the HV Control ECU.
ZG1_Warranty Pol2018-04-23. Service bulletin. SERVICE BRAKES. Warranty Policy Bulletin (POL16-03): Toyota has received some reports where various brake system related warning lamps illuminate due to internal malfunctions of the Brake Actuator Assembly.
ZG1_Dealer Lette2018-04-23. Service bulletin. EQUIPMENT. Dealer Letter: In these vehicles, Toyota has received some reports where various brake system related warning lamps illuminate due to internal malfunctions of the Brake Actuator assembly. Although the Brake Actuator Assembly is covered by Toyota?s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), we at Toyota care about the customers? ownership experience. Toyota is now extending the warranty coverage for repairs related to internal malfunctions of the Brake Actuator Assembly.
ZG1_Dealer email2018-04-23. Service bulletin. SERVICE BRAKES. Dealer email: In these vehicles, Toyota has received some reports where various brake system related warning lamps illuminate due to internal malfunctions of the Brake Actuator assembly. Although the Brake Actuator Assembly is covered by Toyota?s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), we at Toyota care about the customers? ownership experience. Toyota is now extending the warranty coverage for repairs related to internal malfunctions of the Brake Actuator Assembly.
ZG1_Region Lette2018-04-23. Service bulletin. SERVICE BRAKES. Region Letter: In these vehicles, Toyota has received some reports where various brake system related warning lamps illuminate due to internal malfunctions of the Brake Actuator assembly. Although the Brake Actuator Assembly is covered by Toyota?s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), we at Toyota care about the customers? ownership experience. Toyota is now extending the warranty coverage for repairs related to internal malfunctions of the Brake Actuator Assembly.
ZG1_Region email2018-04-23. Service bulletin. SERVICE BRAKES. Region email: In these vehicles, Toyota has received some reports where various brake system related warning lamps illuminate due to internal malfunctions of the Brake Actuator assembly. Although the Brake Actuator Assembly is covered by Toyota?s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), we at Toyota care about the customers? ownership experience. Toyota is now extending the warranty coverage for repairs related to internal malfunctions of the Brake Actuator Assembly.
T-SB-0032-162018-04-23. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK. TSB: Some 2004 ? 2009 model year Prius and 2006 ? 2007 Highlander HV vehicles may exhibit a condition where the brake, ABS, and/or TRAC warning light(s) are ON and/or a Check VSC message is displayed. Diagnostic Trouble Code (DTC) C1391, C1252, C1253, or C1256 may be stored. This condition may be caused by a small internal brake fluid leak inside the brake actuator. Follow the Repair Procedure in this bulletin to address this condition.
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.
T-TT-0365-152018-04-23. 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-0362-152018-04-23. 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.
T-TT-0381-162018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Tech Tip: Some customers may experience difficulty programming HomeLink.
TSB-0012-13 Rev22018-04-23. 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.
ZTV Dealer Lette2018-04-23. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Toyota has received a limited number of reports from high mileage 2004 to certain 2009 model year Prius vehicles regarding the Combination Meter display not illuminating when the vehicle's ignition is turned "ON". This condition may occur in certain cold weather conditions and is identified during vehicle start-up.
TC-12-0262018-04-23. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Toyota has received a limited number of reports from high mileage 2004 to certain 2009 model year Prius vehicles regarding the Combination Meter display not illuminating when the vehicle's ignition is turned "ON". This condition may occur in certain cold weather conditions and is identified during vehicle start-up.
T-SB-0172-09 Rev2018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Some 2004 ? 2009 model year Prius vehicles may experience an intermittent condition where the combination meter display will not illuminate in cold weather conditions. An updated combination meter ECU is now available to correct this condition.
T-SB-0187-122018-04-23. Service bulletin. STRUCTURE:BODY. Toyota vehicles are equipped with either conventional or run-flat tires. Sometimes punctures may occur as a result of contact with road debris or other hazards. If a puncture occurs, it may be possible to repair the tire and return it to service. With a conventional tire it is not possible to drive for an extended amount of time with the tire at low pressures as damage to the tire may occur. With run-flat tires, due to reinforced sidewalls, it is possible to drive for up to 100 miles (160 km) at speeds less than 55 mph (90 km/h) with little or no damage to the tire.
T-TT-0118-11 Rev2018-04-23. 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-TT-0213-132018-04-23. Service bulletin. AIR BAGS. Toyota vehicles are equipped with SRS, including various airbags and in some models, seat belt pre-tensioners, to help reduce the risk of injury in a collision. If a customer expresses any concerns that the SRS airbags or pretensioner devices did not perform as expected, please follow the steps in the recommendations section below.
T-SB-0064-10 Rev2018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin is now obsolete. Please see T-SB-0012-13.
T-SB-0012-132018-04-23. 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-0064-10 Rev2018-04-23. 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 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.
SST Requirements2018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SSTs are key elements to provide your customers with swift and accurate repairs resulting in superior customer satisfaction.
T-TT-0226-132018-04-23. Service bulletin. ELECTRICAL SYSTEM. The customer is having difficulty changing the multi-display screen from Day Mode. If the multi-display screen is set to Day Mode when the headlights are on, the setting we be memorized when the engine is turned off.
T-TT-0223-132018-04-23. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR. The vehicle will not start or ready-on and the steering wheel lock is engaged so that the steering wheel may only be turned very little from side-to-side.
T-SB-0391-08 Rev2018-04-23. Service bulletin. POWER TRAIN. This bulletin contains general vehicle pulling diagnosis and repair procedures along with specific information to help correct pulling complaints.

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