2001 Toyota Prius Technical Service Bulletins

115 technical service bulletins (TSBs) are on record for the 2001 Toyota Prius. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10131769Feb 2, 2017Electrical system. 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.
• 10152205Jan 6, 2017Electrical 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 Service Bulletin No. T-SB-0101-11 is Obsolete and any printed versions should be discarded.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…
• 10132930Nov 29, 2016Electrical system. TSB: OBSOLETE NOTICE: September 14, 2016: This bulletin is now obsolete. Please see T-SB-0134-16.
• 10132641Oct 3, 2016Equipment. 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.
• 10150418Sep 14, 2016Electrical 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).
• 10149217Sep 14, 2016Engine. 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).
• 10145776Jul 21, 2016Equipment. Update on Technician Certification Requirements.
• 10140582May 11, 2016Equipment, 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.
• 10092768May 11, 2016Equipment, 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.
• 10152247Dec 2, 2015Equipment. 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.
• 10093479Dec 2, 2015Electrical 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.
• 10134227Sep 25, 2015Electrical system, Equipment. 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.
• 10096566Sep 25, 2015Electrical system. 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.
• 10134223Sep 15, 2015Electrical system, Engine. 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.
• 10096556Sep 15, 2015Engine, Electrical system. 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.
• 10134454Aug 24, 2015Transmission and drivetrain. 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.
• 10132529Aug 24, 2015Engine, Electrical system. 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.
• 10134452Aug 12, 2015Electrical system. 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.
• 10132527Aug 12, 2015Electrical system. 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.
• 10111416Jul 23, 2015Equipment. TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased. Follow the procedures in this bulletin to reset a vehicle Immobilizer or Smart Key system. NOTE: There are new security provisions required to obtain a Reset Pass-Code. It is critical that the instructions for this new…
• 10111126Jul 23, 2015Equipment. TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased. Follow the procedures in this bulletin to reset a vehicle Immobilizer or Smart Key system. NOTE: There are new security provisions required to obtain a Reset Pass-Code. It is critical that the instructions for this new…
• 10111562May 13, 2015Equipment. TSB: The procedure in this bulletin is a general guideline on how to properly diagnose the air conditioning system after a component failure. Refer to the applicable Repair Manual for vehicle specific repair procedures and parts.
• 10111179May 13, 2015Equipment. TSB: The procedure in this bulletin is a general guideline on how to properly diagnose the air conditioning system after a component failure. Refer to the applicable Repair Manual for vehicle specific repair procedures and parts.
• 10111390Apr 10, 2015Electrical system. TSB: 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…
• 10111197Apr 10, 2015Electrical system, Equipment. TSB: 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…
• 10134128Jan 15, 2015Engine, Electrical system. 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).
• 10096036Jan 15, 2015Electrical system, Engine. "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).
• 10109589Aug 20, 2014Hybrid propulsion system, Electrical 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.
• 10061270Aug 20, 2014Equipment. Summary to be provided on a future date.
• 10132715Jul 25, 2014Equipment. TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased.
• 10132708Jul 7, 2014Equipment. TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased.
• 10132762Jun 12, 2014Electrical system. 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).
• 10132812May 1, 2014Back-over prevention (rear camera), Engine. Tech Tip: Low battery voltage can contribute to a MIL "ON" condition for P0335 (Crankshaft Position Sensor Circuit) and/or P0340 (Camshaft Position Sensor Circuit) due to inconsistent rotational speed of the engine's crankshaft.
• 10131928Feb 5, 2014Brakes, Equipment. A key part to maintain the proper function and safe operation of the vehicle's braking system is to perform a visual inspection when installing brake pads, calipers, and discs. The following recommendations are intended to provide general tips for the inspection and/or installation of Toyota Complete Maintenance Care (TCMC) front brake pads and discs. Always refer to the model specific Repair manual and TIS…
• 10131961Jan 14, 2014Air bags. Toyota vehicles are equipped with Supplemental Restraint Systems (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 pre-tensioner devices did not perform as expected (including an unintended deployment event), please follow the steps in the recommendations section below.
• 10131993Dec 19, 2013Visibility (wipers, defrost, mirrors). This bulletin is now obsolete. Please see T-SB-0185-13.
• 10131988Dec 19, 2013Visibility (wipers, defrost, mirrors). The following procedures are recommended during routine maintenance or in the event of a customer concern for wiper performance.
• 10132055Nov 4, 2013Air bags, Seats, Equipment. Beginning in 1998, Toyota introduced side airbags as optional equipment. Toyota does NOT recommend replacement of original seat covers with non-Toyota leather or other seat cover materials on vehicles due to the following: Seat covers NOT recommended by Toyota may affect side airbag performance, in general or in part, during an accident. Modifications that negatively affect side airbag performance can result in…
• 10131984Sep 9, 2013Equipment, Brakes. A new Special Service Tool (SST 09709-00002) has been introduced to aid in the inspection procedure for certain vehicles equipped with a floor pedal-type parking brake system. This bulletin references the correct method for installing the Brake Pedal Force Gauge. Refer to the appropriate Repair Manual for parking brake pedal travel inspection and adjustment specification.
• 10062051Aug 1, 2013Equipment. Summary to be provided on a future date.
• 10132295Apr 23, 2013Equipment. This bulletin is now obsolete. Please see T-SB-0054-13.
• 10132287Apr 23, 2013Equipment. California (CA), Federal (FED), and 50 State Certified emission control underhood labels (emission labels) may be obtained through your dealership?s Parts Department utilizing standard replacement parts ordering procedures. Follow the guidelines outlined in this bulletin to ensure proper label application.
• 10132319Apr 15, 2013Electrical system. Technicians should confirm the following key points to minimize the potential for future MIL "ON" concerns after HV battery replacement.
• 10132281Apr 4, 2013Body and structure, Back-over prevention (rear camera). If a creak, tick, or rattle noise is heard at the top or bottom of the windshield, or at the top of the rear glass, the source of the noise may be the two stoppers bonded to the top of the windshield/rear glass, or the windshield retainers bonded to the lower edge of the windshield. This bulletin provides the recommended repair procedure to eliminate these types of noises from the windshield/rear glass area.
• 10133860Feb 27, 2013Electrical 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.
• 10133901Jan 29, 2013Equipment. This bulletin is now obsolete. Please see T-SB-0012-13.
• 10133897Jan 29, 2013Electrical system. 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.
• 10133917Jan 10, 2013Electrical system. technicians should confirm the following key points to minimize the potential for future MIL "ON" concerns after HV Battery Replacement.
• 10133915Jan 3, 2013Air 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.
• 10133878Jan 2, 2013Electrical system. 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…

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