Service bulletins for the 2011 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.
385 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| 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. |
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| ZF3_Warranty Pol | 2018-04-23. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). Warranty Policy Bulletin (POL16-04): In these vehicles, Toyota has received some reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking Exhaust Gas Recirculation (EGR) Valve. If this occurs, the vehicle may illuminate the check engine light and set diagnostic trouble code (DTC) P0401. |
| ZF3_Dealer Lette | 2018-04-23. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). Dealer Letter: In these vehicles, Toyota has received some reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking Exhaust Gas Recirculation (EGR) Valve. If this occurs, the vehicle may illuminate the check engine light and set diagnostic trouble code (DTC) P0401. |
| ZF3_Dealer Lette | 2018-04-23. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). Dealer email: In these vehicles, Toyota has received some reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking Exhaust Gas Recirculation (EGR) Valve. If this occurs, the vehicle may illuminate the check engine light and set diagnostic trouble code (DTC) P0401. |
| ZF3_Region Lette | 2018-04-23. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). Region Letter: In these vehicles, Toyota has received some reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking Exhaust Gas Recirculation (EGR) Valve. If this occurs, the vehicle may illuminate the check engine light and set diagnostic trouble code (DTC) P0401. |
| ZF3_Region Lette | 2018-04-23. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). Region email: In these vehicles, Toyota has received some reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking Exhaust Gas Recirculation (EGR) Valve. If this occurs, the vehicle may illuminate the check engine light and set diagnostic trouble code (DTC) P0401. |
| T-SB-0204-12 | 2018-04-23. Service bulletin. EQUIPMENT:ELECTRICAL. Some 2010 ? 2011 model year Prius vehicles may exhibit a condition where a halogen low beam headlamp bulb lifetime is shorter than customer expectation. A modified wiring harness is available to address this condition. |
| T-SB-0187-12 | 2018-04-23. 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-0005-10 Rev | 2018-04-23. Service bulletin. ENGINE. Starting with the 2010 MY, Toyota began a gradual transition to the use of synthetic 0w-20 viscosity engine oil. |
| T-TT-1176-11 Rev | 2018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. For the models listed, the Electronic Parts Catalog may not include enough detail to determine appropriate keys and receiver replacement parts. This Tech Tip will help you identify the system type prior to ordering replacement keys. |
| T-TT-0005-10 Rev | 2018-04-23. Service bulletin. ENGINE. Starting with the 2010 MY, Toyota began a gradual transition to the use of synthetic 0w-20 viscosity engine oil. |
| T-SB-0248-12 | 2018-04-23. Service bulletin. SERVICE BRAKES. Some 2010 ? 2012 model year Prius and 2012 model year Prius PHV vehicles may exhibit uneven brake pad wear on the rear brake pads. The vehicle may also exhibit a grinding or scraping noise due to the uneven brake pad wear. An updated rear pad kit has been developed to address this condition. |
| SET Airbag Senso | 2018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This communication pertains to a current safety recall being conducted by the Southeast Toyota Distributors LLC (SET). TMS is sending this communication for informational purposes in the event you are contacted by a customer covered by this recall. |
| 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-TT-0213-13 | 2018-04-23. 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 Rev | 2018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin is now obsolete. Please see T-SB-0012-13. |
| T-SB-0205-11 Rev | 2018-04-23. Service bulletin. EQUIPMENT:ELECTRICAL. Some 2010-2011 model year Prius vehicles may exhibit a MIL "ON" condition with DTCs P3190, P3191, P0A0F, and/or purge VSV/PCV line separation from the throttle body housing. |
| 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-0010-12 Rev | 2018-04-23. Service bulletin. ENGINE. Some 2010-2013 model year Prius and Prius V models may exhibit one or more of the following conditions at initial engine start up after cold soak in temperatures below 40 degrees F. |
| T-SB-0064-10 Rev | 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 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. |
| Toyota Exhaust G | 2018-04-23. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. On certain 2011 and 2012 model year Prius and Highlander HV vehicles, there is a possibility that the exhaust gas control actuator may develop a coolant leak. If a coolant leak occurs, the Water Temp indicator Lamp and Check engine Lamp will illuminate |
| SST Requirements | 2018-04-23. 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-0226-13 | 2018-04-23. 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-0223-13 | 2018-04-23. 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 Rev | 2018-04-23. 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.