2008 TOYOTA HIGHLANDER HYBRID: Bulletin Number: Safety Recall an Update on Technician Certification Requirements. Bulletin Number: Safety Recall an Update on Technician Certification Requirements. Bulletin Number: TC13-019 SUMMARY TO BE PROVIDED ON A FUTURE DATE. Bulletin Number: TMS-NTC-13214 SUMMARY TO BE PROVIDED ON A FUTURE DATE. Bulletin Number: T-SB-0012-13 REV "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 BUL Bulletin Number: T-SB-0012-13 REV "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 BUL Bulletin Number: T-SB-0033-14-Obs TSB: OBSOLETE NOTICE July 9, 2019: This bulletin is now obsolete. Please see T-SB-0080-19. Bulletin Number: T-SB-0034-13 SUMMARY TO BE PROVIDED ON A FUTURE DATE. Bulletin Number: T-SB-0038-15 TSB: Some 2008 - 2013 model year Highlander and Highlander HV vehicles may exhibit a condition where the Power Back Door does NOT close properly. The back door may get to the fully closed position and then reverse to the open position. In c Bulletin Number: T-SB-0038-15 TSB: Some 2008 - 2013 model year Highlander and Highlander HV vehicles may exhibit a condition where the Power Back Door does NOT close properly. The back door may get to the fully closed position and then reverse to the open position. In c Bulletin Number: T-SB-0038-15 TSB: Some 2008 - 2013 model year Highlander and Highlander HV vehicles may exhibit a condition where the Power Back Door does NOT close properly. The back door may get to the fully closed position and then reverse to the open position. In c Bulletin Number: T-SB-0038-15 TSB: Some 2008 - 2013 model year Highlander and Highlander HV vehicles may exhibit a condition where the Power Back Door does NOT close properly. The back door may get to the fully closed position and then reverse to the open position. In c Bulletin Number: T-SB-0038-15 TSB: Some 2008 - 2013 model year Highlander and Highlander HV vehicles may exhibit a condition where the Power Back Door does NOT close properly. The back door may get to the fully closed position and then reverse to the open position. In c Bulletin Number: T-SB-0038-15 TSB: Some 2008 - 2013 model year Highlander and Highlander HV vehicles may exhibit a condition where the Power Back Door does NOT close properly. The back door may get to the fully closed position and then reverse to the open position. In c Bulletin Number: T-SB-0040-08 TSB: On some vehicles, when Rapgard is removed, the paint may have a stained appearance. These stains appear to be under the clear coat (repainting this area is not necessary). The stain patterns are usually under wrinkles in the Rapgard. T Bulletin Number: T-SB-0040-08 TSB: On some vehicles, when Rapgard is removed, the paint may have a stained appearance. These stains appear to be under the clear coat (repainting this area is not necessary). The stain patterns are usually under wrinkles in the Rapgard. T Bulletin Number: T-SB-0043-14 Rev 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 Bulletin Number: T-SB-0043-14 Rev 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 Bulletin Number: TSB-0064-10 TOYOTA: TECHSTREAM ECU FLASH REPROGRAMMING PROCEDURE. 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 DE Bulletin Number: T-SB-0080-19 TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0033-14. ? Applicability has been updated to include 2019 model year Toyota vehicles. Service Bulletin No. T-SB-0033-14 is obsolete and Bulletin Number: T-SB-0080-19 TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0033-14. ? Applicability has been updated to include 2019 model year Toyota vehicles. Service Bulletin No. T-SB-0033-14 is obsolete and Bulletin Number: T-SB-0083-13 Rev 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. Bulletin Number: T-SB-0083-13 Rev 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. Bulletin Number: TSB-0087-12 TOYOTA: ACCELERATOR PEDAL SENSOR ASSEMBLY INFORMATION REGARDING THE INSPECTION, REMOVAL, AND INSTALLATION, IF LUBRICATION OR OIL, IS APPLIED. *PE Bulletin Number: T-SB-0091-12 SUMMARY TO BE PROVIDED ON A FUTURE DATE. Bulletin Number: T-SB-0091-12 SUMMARY TO BE PROVIDED ON A FUTURE DATE. Bulletin Number: T-SB-0091-12 Rev TSB: OBSOLETE NOTICE-June 12, 2015: This bulletin is now obsolete. Please see T-SB-0038-15. Bulletin Number: T-SB-0091-12 Rev TSB: OBSOLETE NOTICE-June 12, 2015: This bulletin is now obsolete. Please see T-SB-0038-15. Bulletin Number: T-SB-0091-12 Rev TSB: OBSOLETE NOTICE-June 12, 2015: This bulletin is now obsolete. Please see T-SB-0038-15. Bulletin Number: T-SB-0091-12 Rev TSB: OBSOLETE NOTICE-June 12, 2015: This bulletin is now obsolete. Please see T-SB-0038-15. Bulletin Number: T-SB-0091-12 Rev TSB: OBSOLETE NOTICE-June 12, 2015: This bulletin is now obsolete. Please see T-SB-0038-15. Bulletin Number: T-SB-0091-12 Rev TSB: OBSOLETE NOTICE-June 12, 2015: This bulletin is now obsolete. Please see T-SB-0038-15. Bulletin Number: T-SB-0101-11 Rev 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 othe Bulletin Number: T-SB-0101-11 Rev 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 othe Bulletin Number: T-SB-0101-11 Rev 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 othe Bulletin Number: T-SB-0119-15 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 Bulletin Number: T-SB-0119-15 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 Bulletin Number: T-SB-0134-16-Rev TSB: REVISION NOTICE July 01, 2019 Rev2: ? Applicability has been updated to 2019 ? 2020 model year Toyota vehicles. ? The Techstream Preparation and Process Overview sections have been updated. October 30, 2017 Rev1: ? Applicability has be Bulletin Number: T-SB-0134-16-Rev TSB: REVISION NOTICE July 01, 2019 Rev2: ? Applicability has been updated to 2019 ? 2020 model year Toyota vehicles. ? The Techstream Preparation and Process Overview sections have been updated. October 30, 2017 Rev1: ? Applicability has be Bulletin Number: T-SB-0134-16-Rev TSB: REVISION NOTICE July 01, 2019 Rev2: ? Applicability has been updated to 2019 ? 2020 model year Toyota vehicles. ? The Techstream Preparation and Process Overview sections have been updated. October 30, 2017 Rev1: ? Applicability has be Bulletin Number: T-SB-0134-16_Rev TSB: REVISION NOTICE October 30, 2017 Rev1: * Applicability has been updated to include 2018 model year vehicles. SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0012-13. Flash reprogramming allows the Bulletin Number: T-SB-0141-13 SUMMARY TO BE PROVIDED ON A FUTURE DATE. Bulletin Number: T-SB-0142-13 Rev TSB: Some 2004 - 2015 model year Toyota vehicles may exhibit odors naturally occurring from the HVAC system and/or related environmental factors. Although there is no way to eliminate these odors, follow the General Procedure in this bullet Bulletin Number: T-SB-0142-13 Rev TSB: Some 2004 - 2015 model year Toyota vehicles may exhibit odors naturally occurring from the HVAC system and/or related environmental factors. Although there is no way to eliminate these odors, follow the General Procedure in this bullet Bulletin Number: T-SB-0159-11 SUMMARY TO BE PROVIDED ON A FUTURE DATE. Bulletin Number: T-SB-0162-13_Rev TSB: REVISION NOTICE January 05, 2018 Rev1: ? Applicability has been updated to include 2012 ? 2017 Camry HV and Prius C, 2015 ? 2017 Prius V, 2006 ? 2017 Highlander HV, 2010 ? 2016 Prius, and 2016 ? 2017 RAV4 HV model year vehicles. ? Th Bulletin Number: T-SB-0162-13_Rev TSB: REVISION NOTICE January 05, 2018 Rev1: ? Applicability has been updated to include 2012 ? 2017 Camry HV and Prius C, 2015 ? 2017 Prius V, 2006 ? 2017 Highlander HV, 2010 ? 2016 Prius, and 2016 ? 2017 RAV4 HV model year vehicles. ? Th Bulletin Number: T-SB-0187-12 SUMMARY TO BE PROVIDED ON A FUTURE DATE. Bulletin Number: T-SB-0198-11 REV 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 BA Bulletin Number: T-SB-0198-11 REV 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 BA Bulletin Number: T-SB-0198-11 REV 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 BA Bulletin Number: T-SB-0198-11 REV 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 BA Bulletin Number: T-SB-0304-17 TSB: Vehicle replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) may be available from Toyota, provided the request meets one of the criteria lis Bulletin Number: T-SB-0304-17_Rev TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin Nos. PG021-88, PG015-89, PG0015-90, PG002-91, PG002-93, PG005-97, PG007-01, PG007-07, and T-SB-0144-08. Service Bulletin Nos. PG021-88, PG015-89 Bulletin Number: TSB-0356-09 TOYOTA: HEATING/AIR CONDITIONER. SOME MODELS MAY EXHIBIT AN INTERMITTENT HVAC SYSTEM ODOR. A NEWLY DESIGNED EVAPORATOR SUB ASSEMBLY HAS BEEN MADE AVAILABLE TO DECREASE THE POTENTIAL FOR HVAC ODOR. *PE Bulletin Number: TT-0307-14 Rev2 TT: Some customers may encounter various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed Bulletin Number: TT-0307-14 Rev2 TT: Some customers may encounter various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed Bulletin Number: TT-0307-14 Rev2 TT: Some customers may encounter various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed Bulletin Number: TT-0307-14 Rev2 TT: Some customers may encounter various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed Bulletin Number: TT-0307-14 Rev2 TT: Some customers may encounter various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed Bulletin Number: T-TT-0051-10 SUMMARY TO BE PROVIDED ON A FUTURE DATE. Bulletin Number: T-TT-0124-11 SUMMARY TO BE PROVIDED ON A FUTURE DATE. Bulletin Number: T-TT-0160-12 SUMMARY TO BE PROVIDED ON A FUTURE DATE. Bulletin Number: T-TT-0223-13 SUMMARY TO BE PROVIDED ON A FUTURE DATE. Bulletin Number: T-TT-0268-13 SUMMARY TO BE PROVIDED ON A FUTURE DATE. Bulletin Number: T-TT-0268-13 Rev TT: Some customers may encounter Bluetooth® connectivity concerns such as: * Difficulty to pair the phone. * Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. * Various Bluetooth® Audio function Bulletin Number: T-TT-0268-13 Rev TT: Some customers may encounter Bluetooth® connectivity concerns such as: * Difficulty to pair the phone. * Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. * Various Bluetooth® Audio function Bulletin Number: T-TT-0360-15 TT: CUSTOMERS MAY EXPERIENCE CONNECTIVITY ISSUES WHEN THE FOLLOWING CONDITIONS ARE MET: THE CUSTOMER'S IPHONE IS OPERATING ON IOS9 FIRMWARE. THE CUSTOMER'S IPHONE IS CONNECTED TO THE VEHICLE VIA BLUETOOTH. THE CUSTOMER MAY COMPLAIN OF THE F Bulletin Number: T-TT-0360-15 TT: CUSTOMERS MAY EXPERIENCE CONNECTIVITY ISSUES WHEN THE FOLLOWING CONDITIONS ARE MET: THE CUSTOMER'S IPHONE IS OPERATING ON IOS9 FIRMWARE. THE CUSTOMER'S IPHONE IS CONNECTED TO THE VEHICLE VIA BLUETOOTH. THE CUSTOMER MAY COMPLAIN OF THE F Bulletin Number: T-TT-0362-15 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. Bulletin Number: T-TT-0362-15 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. Bulletin Number: T-TT-0381-16 TECH TIP: SOME CUSTOMERS MAY EXPERIENCE DIFFICULTY PROGRAMMING HOMELINK. Bulletin Number: T-TT-0395-16 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. Bulletin Number: T-TT-0395-16 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. Bulletin Number: T-TT-0414-16-Rev TT: Some customers may encounter Bluetooth® connectivity concerns such as: ? Difficulty to pair the phone. ? Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. ? Various Bluetooth® Audio functions a Bulletin Number: T-TT-0414-16-Rev TT: Some customers may encounter Bluetooth® connectivity concerns such as: ? Difficulty to pair the phone. ? Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. ? Various Bluetooth® Audio functions a Bulletin Number: T-TT-0414-16-Rev TT: Some customers may encounter Bluetooth® connectivity concerns such as: ? Difficulty to pair the phone. ? Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. ? Various Bluetooth® Audio functions a Bulletin Number: T-TT-0414-16-Rev TT: Some customers may encounter Bluetooth® connectivity concerns such as: ? Difficulty to pair the phone. ? Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. ? Various Bluetooth® Audio functions a Bulletin Number: T-TT-0414-16-Rev TT: Some customers may encounter Bluetooth® connectivity concerns such as: ? Difficulty to pair the phone. ? Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. ? Various Bluetooth® Audio functions a Bulletin Number: T-TT-307-14 Rev1 TT: Customers complain of various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed throug Bulletin Number: T-TT-307-14 Rev1 TT: Customers complain of various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed throug Bulletin Number: T-TT-307-14 Rev1 TT: Customers complain of various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed throug Bulletin Number: T-TT-307-14 Rev1 TT: Customers complain of various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed throug Bulletin Number: T-TT-307-14 Rev1 TT: Customers complain of various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed throug Bulletin Number: T-TT-307-14 Rev1 TT: Customers complain of various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed throug Bulletin Number: T-TT-307-14 Rev1 TT: Customers complain of various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed throug Bulletin Number: ZG4_Dealer Email Dealer Email: Toyota is announcing a Warranty Enhancement Program to extend the warranty coverage for the Power Back Door on certain 2008 - 2013 model year Highlander and Highlander Hybrid vehicles. Bulletin Number: ZG4 Dealer Packa Dealer Package: Certain 2008 - 2013 model year Highlander and Highlander Hybrid vehicles may exhibit a condition where the Power Back Door does not close properly. In some cases, the Power Back Door may reach the fully closed position and t Bulletin Number: ZG4 POL17-04 Warranty Policy Bulletin POL17-04: Toyota has received reports of customer concerns in which the power back door does not close properly. In some cases, the power back door may reach the fully closed position and then reverse to the open po Bulletin Number: ZG4 POL17-04 War Warranty Policy Bulletin POL17-04: Toyota has received reports of customer concerns in which the power back door does not close properly. In some cases, the power back door may reach the fully close position and then reverse to the open po Bulletin Number: ZG4_POL17-04_War Warranty Policy Bulletin POL17-04: REVISED March 01, 2017: Toyota has received reports of customer concerns in which the power back door does not close properly. In some cases, the power back door may reach the fully closed position and th Bulletin Number: ZG4_POL17-04_War Warranty Policy Bulletin POL17-04: Rev Toyota has received reports of customer concerns in which the power back door does not close properly. In some cases, the power back door may reach the fully closed position and then reverse to the ope Bulletin Number: ZG4_Region Email Region Email: Toyota is announcing a Warranty Enhancement Program to extend the warranty coverage for the Power Back Door on certain 2008 - 2013 model year Highlander and Highlander Hybrid vehicles. Bulletin Number: ZG4 Region Lette Region Letter: Certain 2008 - 2013 model year Highlander and Highlander Hybrid vehicles may exhibit a condition where the Power Back Door does not close properly. In some cases, the Power Back Door may reach the fully closed position and th Bulletin Number: ZKC_Dealer Email Dealer Email: Toyota has received reports regarding the Brake Actuator Assembly and Brake Booster Pump Assembly on certain 2008 - 2010 model year Highlander Hybrid vehicles. These reports have indicated certain internal malfunctions of the Bulletin Number: ZKC_Dealer Packa Dealer Package: Toyota has received reports regarding the Brake Actuator Assembly and Brake Booster Pump Assembly on certain 2008 - 2010 model year Highlander Hybrid vehicles. These reports have indicated certain internal malfunctions of th Bulletin Number: ZKC_Region Email Region Email: Toyota has received reports regarding the Brake Actuator Assembly and Brake Booster Pump Assembly on certain 2008 - 2010 model year Highlander Hybrid vehicles. These reports have indicated certain internal malfunctions of the Bulletin Number: ZKC_Region Lette Region Letter: Toyota has received reports regarding the Brake Actuator Assembly and Brake Booster Pump Assembly on certain 2008 - 2010 model year Highlander Hybrid vehicles. These reports have indicated certain internal malfunctions of the Bulletin Number: ZKC_Toyota POL19 Customer Support Program: Toyota has received reports regarding the Brake Actuator Assembly and Brake Booster Pump Assembly indicating certain internal malfunctions. |