WenmarOpen by Wenmar Pro

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.

By type

By component

By trouble code

By topic

Only bulletins with component: 12-volt battery are shown. Show all

Bulletins, newest first
T-SB-0074-202020-09-14. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. TSB: Some 2003 ? 2020 model year Prius, Prius C, Prius V; 2006 ? 2019 model year Highlander Hybrid Vehicle; 2007 ? 2020 Camry Hybrid Vehicle; 2013 ? 2020 model year Avalon Hybrid Vehicle; 2016 ? 2020 model year Mirai and RAV4 Hybrid Vehicle; and 2020 model year Corolla Hybrid Vehicles may exhibit a MIL ON condition with Diagnostic Trouble Codes (DTCs) P0A80/P1AC000 and/or P0A7F/P1A8000 stored due to dust or debris buildup in the HV battery cooling fan and/or HV cooling filter. Follow the procedure in this bulletin to address this condition.
T-SB-0153-13_Rev2019-12-16. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. TSB: REVISION NOTICE November 13, 2019 Rev2: ? The Warranty Information section has been updated. July 02, 2019 Rev1: ? The Applicable Warranty section has been updated. Any previous printed versions of this bulletin should be discarded. Some 2004 ? 2009 model year Prius vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P0A80 or P0A7F stored due to dust or debris buildup in the HV battery cooling fan. Follow the Repair Procedure in this bulletin to address this condition.
T-SB-0153-13-Rev2019-09-03. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TSB: REVISION NOTICE July 02, 2019 Rev1: ? The Applicable Warranty section has been updated. Any previous printed versions of this bulletin should be discarded. Some 2004 ? 2009 model year Prius vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P0A80 or P0A7F stored due to dust or debris buildup in the HV battery cooling fan. Follow the Repair Procedure in this bulletin to address this condition.
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.
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.
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-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-0086-112018-04-02. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE. TechTip: Condition - 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-0303-142018-04-02. 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.
T-TT-0118-11 Rev2018-04-02. 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-SB-0186-132018-04-02. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. The purpose of this general information Service Bulletin is to inform the market that sub-component diagnosis and replacement is now available for the Hybrid Inverter with Converter Assembly equipped on 2004 ? 2009 model year Prius vehicles.
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-TT-0303-142017-08-01. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; HYBRID PROPULSION SYSTEM. Tech Tip: 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.
T-TT-0365-152017-03-28. Service bulletin. 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-SB-0119-152017-03-02. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. 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.
TSB-0153-132014-03-06. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TOYOTA: DUE TO DUST OR DEBRIS BUILD UP IN HV BATTERY COOLING FAN, THE MALFUNCTION INDICATOR LAMP (MIL) IS ON AND PROCEDURE REPAIR IS AVAILABLE FOR THIS CONDITION. MODEL 2004-2009 PRIUS. *PE
TSB-0098-132014-03-01. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TOYOTA: THERE MAY BE AN EXCESSIVE BUILDUP OF DUST, LINT, OR OTHER DEBRIS, THAT CAN REDUCE THE HV BATTERY COOLING FAN EFFICIENCY AND NEED TO BE MAINTAIN AND CLEANED. MODEL 2004-2009 PRIUS. *PE
SB-0306-08 REV 22011-05-26. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TOYOTA: MALFUNCTION LIGHT IS ON WITH TWO INTERNAL TROUBLE CODES. IT IS A PROBLEM WITH THE TRANSAXLE ASSEMBLY. 2004-2008 PRIUS. *RM
TSB-0166-092009-09-23. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TOYOTA: SOME VEHICLES MAY EXHIBIT A M.I.L. ON CONDITION WITH ONE OF MORE OF THE FOLLOWING DIAGNOSTIC TROUBLE CODES (DTCS): P0AC0; P0A1F; P0A7F; P0AFA (HYBRID BATTERY PACK/SYSTEM). IMPROVEMENTS HAVE BEEN MADE TO THE HV ECU AND BATTERY ECU HARDWARE TO CORRECT THESE CONDITIONS. *PE
113072007-09-26. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. MAINTENANCE FOR HV AND AUXILIARY BATTERIES. *KB

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