Service bulletins for the 2015 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.
329 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Electrical system are shown. Show all
| T-TT-0395-16 | 2017-02-23. 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. |
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| T-TT-0392-16 REV | 2017-02-23. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. TT: SOME CUSTOMERS MAY EXPERIENCE BLUETOOTH CONNECTION ISSUES AFTER UPDATING THE ANDROID OPERATING SYSTEM TO 5.X.X (LOLLIPOP) OR LATER. |
| T-SB-0087-14 REV | 2017-02-16. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. TSB: PRIUS AND MIRAI VEHICLES ARE EQUIPPED WITH 2 TYPES OF BATTERIES: • HYBRID VEHICLE (HV) BATTERY • 12-VOLT AUXILIARY BATTERY IF PRIUS OR MIRAI VEHICLES ARE 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. NOTE • BEFORE DISCONNECTING THE AUXILIARY BATTERY, CONFIRM THE SHIFT LEVER IS IN THE “P” POSITION AND APPLY THE PARKING BRAKE COMPLETELY. THE SHIFT LEVER CANNOT BE SHIFTED FROM THE “P” POSITION WITH THE 12-VOLT AUXILIARY BATTERY DISCONNECTED. • IF THE NEGATIVE (–) TERMINAL OF THE AUXILIARY BATTERY IS RECONNECTED, EVEN IF THE POWER BUTTON IS IN THE “START” MODE, THE HYBRID/FUEL CELL SYSTEM MAY NOT START. IN THIS CASE, PUSH THE “POWER” BUTTON AND SELECT THE “START” MODE AGAIN TO START THE HYBRID/FUEL CELL SYSTEM (THE “READY” LIGHT IS ON). IF THE HYBRID/FUEL CELL SYSTEM STILL DOES NOT START (THE “READY” LIGHT IS OFF), REFER TO THE REPAIR MANUAL. |
| T-SB-0198-11 REV | 2017-01-05. Service bulletin. ELECTRICAL SYSTEM; HYBRID PROPULSION SYSTEM. TSB: FOR VEHICLES THAT ARE USED UNDER CERTAIN SEVERE OPERATING CONDITIONS, THE HV BATTERY COOLING FAN MAY EXPERIENCE AN EXCESSIVE BUILDUP OF DUST, LINT, OR OTHER DEBRIS THAT CAN REDUCE THE EFFICIENCY OF THE HV BATTERY COOLING SYSTEM. HV BATTERY COOLING FAN MAINTENANCE AND CLEANING SHOULD BE PERFORMED TO ADDRESS THIS CONDITION. |
| T-SB-0071-16 | 2016-12-30. Service bulletin. ENGINE; ELECTRICAL SYSTEM. TSB: SOME 2014 – 2015 PRIUS AND PRIUS PHV VEHICLES MAY EXHIBIT A MIL “ON” CONDITION WITH DIAGNOSTIC TROUBLE CODE (DTC) P2610, INDICATING AN ECM/PCM ENGINE OFF TIMER PERFORMANCE CONDITION. THE ENGINE CONTROL MODULE (ECM) LOGIC HAS BEEN MODIFIED TO REDUCE THE POSSIBILITY OF THIS CONDITION. |
| T-TT-0403-16 | 2016-12-30. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. TT: 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-0198-11 REV | 2016-12-14. Service bulletin. HYBRID PROPULSION SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TSB: FOR VEHICLES THAT ARE USED UNDER CERTAIN SEVERE OPERATING CONDITIONS, THE HV BATTERY COOLING FAN MAY EXPERIENCE AN EXCESSIVE BUILDUP OF DUST, LINT, OR OTHER DEBRIS THAT CAN REDUCE THE EFFICIENCY OF THE HV BATTERY COOLING SYSTEM. HV BATTERY COOLING FAN MAINTENANCE AND CLEANING SHOULD BE PERFORMED TO ADDRESS THIS CONDITION. |
| T-SB-0071-16 | 2016-12-14. Service bulletin. ENGINE; ELECTRICAL SYSTEM. TSB: SOME 2014 – 2015 PRIUS AND PRIUS PHV VEHICLES MAY EXHIBIT A MIL “ON” CONDITION WITH DIAGNOSTIC TROUBLE CODE (DTC) P2610, INDICATING AN ECM/PCM ENGINE OFF TIMER PERFORMANCE CONDITION. THE ENGINE CONTROL MODULE (ECM) LOGIC HAS BEEN MODIFIED TO REDUCE THE POSSIBILITY OF THIS CONDITION. |
| T-TT-0403-16 | 2016-12-14. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; HYBRID PROPULSION SYSTEM. TT: 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-0061-15 REV | 2016-11-16. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM. TSB: REVISION NOTICE: INTRODUCTION HAS BEEN UPDATED. ANY PREVIOUS PRINTED VERSIONS OF THIS BULLETIN SHOULD BE DISCARDED. SOME 2012 MODEL YEAR VEHICLES EQUIPPED WITH A DISPLAY AUDIO NAVIGATION SYSTEM AND ENTUNE™ (VERSION LESS THAN 2.1.0) MAY EXHIBIT 1 OR MORE OF THE FOLLOWING CONDITIONS; SOME 2012 – 2013 MODEL YEAR VEHICLES EQUIPPED WITH A DISPLAY AUDIO NAVIGATION SYSTEM (NON-HDD) AND ENTUNE™ (VERSION LESS THAN 2.2.0) MAY EXHIBIT 1 OR MORE OF THE FOLLOWING CONDITIONS; SOME 2012 – 2014 MODEL YEAR VEHICLES EQUIPPED WITH A DISPLAY AUDIO NAVIGATION SYSTEM (NON-HDD) AND ENTUNE™ (VERSION LESS THAN 3.2.0) MAY EXHIBIT 1 OR MORE OF THE FOLLOWING CONDITIONS; SOME 2012 – 2015 MODEL YEAR VEHICLES EQUIPPED WITH A DISPLAY AUDIO NAVIGATION SYSTEM (NON-HDD) AND ENTUNE™ (VERSION LESS THAN 4.1.0) MAY EXHIBIT 1 OR MORE OF THE FOLLOWING CONDITIONS; SOME 2012 – 2015 MODEL YEAR VEHICLES EQUIPPED WITH A DISPLAY AUDIO NAVIGATION SYSTEM (NON-HDD) AND ENTUNE™ (VERSION LESS THAN 5.1.0) MAY EXHIBIT 1 OR MORE OF THE FOLLOWING CONDITIONS. |
| T-SB-0087-14 | 2016-04-12. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| T-TT-0185-12 | 2015-04-09. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TOYOTA PRIUS: CUSTOMERS MAY EXPERIENCE A CHANGE IN THE EV DISTANCE DISPLAY OR MAY HAVE CONCERNS REGARDING THE HV BATTERY PERFORMANCE. *LJ |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.