2019 Toyota Corolla Technical Service Bulletins

204 technical service bulletins (TSBs) are on record for the 2019 Toyota Corolla. 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.

• 10179702Aug 7, 2020Engine. TT: The Toyota Quality group is looking to better understand our customers expectation regarding vehicle drivability. Specifically, we are looking at vehicle surge/hesitation condition (inconsistent acceleration) and would like to recover detailed customer voice and vehicle data.
• 10179606Aug 7, 2020Equipment, Engine. TT: The Toyota Quality group is looking to better understand our customers expectation regarding vehicle drivability. Specifically, we are looking at vehicle surge/hesitation condition (inconsistent acceleration) and would like to recover detailed customer voice and vehicle data.
• 10179700Aug 6, 2020Equipment. DL: Toyota has received reports of paint peeling on certain vehicles with the original factory-applied Blizzard Pearl or Super White paint colors. These reports indicate that vehicles with these specific paint colors, applied during the vehicle manufacturing process, may experience paint peeling on exterior metal body panels.
• 10179604Aug 6, 2020Equipment, Body and structure. DL: Toyota has received reports of paint peeling on certain vehicles with the original factory-applied Blizzard Pearl or Super White paint colors. These reports indicate that vehicles with these specific paint colors, applied during the vehicle manufacturing process, may experience paint peeling on exterior metal body panels.
• 10178528Jul 31, 2020Body and structure. OBSOLETE NOTICE July 31, 2020: This bulletin is no longer applicable and is now obsolete.
• 10178524Jul 30, 2020Engine cooling. TT: HVAC drain tube is found to be blocked/clogged.
• 10178534Jul 23, 2020Electrical system. TSB: OBSOLETE NOTICE July 23, 2020: This bulletin is now obsolete. Please see T-SB-0071-20.
• 10178533Jul 23, 2020Electrical system. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0160-19. Service Bulletin No. T-SB-0160-19 is obsolete and any printed versions should be discarded. Some 2019 ? 2020 model year Toyota vehicles equipped with Entune? Audio (version 1007), Entune? Audio Plus (version 1011), or Entune? Premium Audio (version 1011) or earlier may exhibit one or more of the…
• 10178787Jul 20, 2020Electrical system. TT: The new DCA-8000 Diagnostic Charger may cause your facility?s Ground Fault Circuit Interrupter (GFCI) breaker to trip. A GFCI breaker can be tripped for various reasons, one of the reasons may be related to the DCA-8000. We are investigating this issue to determine the root cause. Other reasons the GFCI breaker may trip ?Circuit demand is too high for GFCI rating ?Worn out GFCI internal contacts ?Improper…
• 10178777Jul 9, 2020Electronic stability control, Suspension. TSB: Some 2014 - 2019 model year Corolla vehicles may exhibit a squeak noise from the front lower suspension arm rear bushing. This condition may occur when driving over speed bumps or uneven surfaces. Follow the Repair Procedure in this bulletin to address this condition.
• 10177779Jun 23, 2020Engine cooling. TT: Repairing a 1234YF HVAC system on a gas powered (non-hybrid) Toyota vehicle may require additional compressor oil to complete the repairs. The various 1234YF compressor oils (ND-12, PS-D1, or VC100YF) are available through the Toyota Approved Dealer Equipment website.
• 10177592Jun 12, 2020Engine. TT: The Toyota Quality group is looking to better understand our customers expectation regarding vehicle drivability. Specifically, we are looking at vehicle surge/hesitation condition (inconsistent acceleration) and would like to recover detailed customer voice and vehicle data.
• 10177579Jun 3, 2020Equipment, Electrical system. 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 and can never be reused. Another feature, Add/Remove Key, is also available. Once a key is removed, it can never be reused.
• 10176500May 15, 2020Body and structure, Equipment. TI: TECHNICAL INSTRUCTIONS Customer Support Program ZKG Multiple Models and Model Years Vehicles Painted with Blizzard Pearl (070) or Super White (040) Paint Color Coverage for Peeling of Factory-Applied Paint
• 10176499May 15, 2020Body and structure, Equipment. DL: Toyota has received reports of paint peeling on certain vehicles with the original factory-applied Blizzard Pearl or Super White paint colors. These reports indicate that vehicles with these specific paint colors, applied during the vehicle manufacturing process, may experience paint peeling on exterior metal body panels.
• 10176493May 13, 2020Electrical system, Equipment. TT: The microphone circuit passes through the DCM before reaching the radio/navigation system. To simplify the diagnosis of the microphone, Safety Connect SOS button lights, and DCM (Data Communication Module/telematics transceiver) inoperative conditions, refer to the procedure below to prevent unnecessary parts replacement.
• 10176287May 8, 2020Electrical system. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0143-18. Service Bulletin No. T-SB-0143-18 is obsolete and any printed versions should be discarded. Some 2019 model year Avalon and Avalon Hybrid vehicles equipped with Entune? Audio Plus (version 1002) or Entune?
• 10174921Apr 23, 2020Equipment. TT: Due to the challenges caused by the COVID-19 virus threat, some dealers are experiencing reduced traffic into their stores and causing dealer stock to age.
• 10174896Apr 9, 2020Lane departure, Visibility (wipers, defrost, mirrors). TT: The blind spot monitor (BSM) sensor angle inspection is used to confirm that the BSM sensor is within the specified angle before performing axis beam adjustment. When used in conjunction with the repair manual, these BSM tips leverage SSTs and readily available tools to support sensor angle confirmation in varying shop environments.
• 10174890Apr 6, 2020Equipment. 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, PG006-01, PG004-97, T-SB-0144-08, and T-SB-0304-17. The aforementioned bulletins are obsolete, and any printed versions should be discarded. Replacement certification labels (the vinyl label installed on the driver door or door post)…
• 10173806Mar 10, 2020Electrical system. TSB: OBSOLETE NOTICE March 10, 2020: This bulletin is now obsolete. Please see T-SB-0024-20.
• 10173804Mar 10, 2020Equipment, Electrical system. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0003-19. ?The Introduction and Software Update Information sections have been updated. Service Bulletin No. T-SB-0003-19 is obsolete and any printed versions should be discarded. Some 2016 model year vehicles equipped with Entune? Audio (version UU.11.13), Entune? Audio Plus (version EU.20.21), or Entune?…
• 10173799Mar 10, 2020Equipment. TSB: Some 2016 ? 2020 model year Toyota vehicles may exhibit naturally occurring odors emitted from the HVAC system and/or related environmental factors. Follow the General Procedure in this bulletin to minimize the odors experienced.
• 10172854Feb 18, 2020Equipment. TT: Some vehicles equipped with Dynamic Navigation may experience a pop-up message notifying them that their map update service will end soon. The date that is shown could be more than one year in the future. This does not indicate any issues with the vehicle, and is only informing the user of the expiration date.
• 10172832Feb 6, 2020Equipment. TECHNICAL INSTRUCTIONS Customer Support Program ZKG Phase 2 ? Customer Renotification and Repair Phase Repair is Now Available Multiple Models and Model Years Vehicles Painted with Blizzard Pearl (070) or Super White (040) Paint Color Coverage for Peeling of Factory-Applied Paint
• 10172831Feb 6, 2020Equipment. TECHNICAL INSTRUCTIONS Customer Support Program ZKG Phase 2 ? Customer Renotification and Repair Phase Repair is Now Available Multiple Models and Model Years Vehicles Painted with Blizzard Pearl (070) or Super White (040) Paint Color Coverage for Peeling of Factory-Applied Paint
• 10172830Feb 6, 2020Equipment. Customer Support Program ZKG ? Paint Repair Process OPERATION FLOW CHART
• 10172829Feb 6, 2020Body and structure. Toyota has received reports of paint peeling on certain vehicles with the original factory-applied Blizzard Pearl or Super White paint colors. These reports indicate that vehicles with these specific paint colors, applied during the vehicle manufacturing process, may experience paint peeling on exterior metal body panels.
• 10172828Feb 6, 2020Body and structure. Toyota has received reports of paint peeling on certain vehicles with the original factory-applied Blizzard Pearl or Super White paint colors. These reports indicate that vehicles with these specific paint colors, applied during the vehicle manufacturing process, may experience paint peeling on exterior metal body panels.
• 10171405Jan 27, 2020Equipment. TSB: Vehicles may display evidence of a fluid leak or fluid seep from powertrain components. This bulletin explains how to determine the differences between a fluid leak versus a fluid seep. Cases that are determined to be a ?leak? should be repaired accordingly and will be covered under warranty if applicable. Cases that are determined to be a ?seep? should be documented on the repair order and inspected at the…
• 10171457Jan 23, 2020Equipment. TT: In certain cases of leaking air conditioning systems, the root cause of the leak is inadvertently overlooked, causing a repeat repair. To improve customer satisfaction and repair A/C system leaks in one dealer visit, Toyota has developed a set of guidelines for evaluating A/C system components.
• 10171450Jan 15, 2020Equipment. TSB: REVISION NOTICE January 15, 2020 Rev1: ? Applicability has been updated to include 2019 model year RAV4 and RAV4 Hybrid vehicles. Any previous printed versions of this bulletin should be discarded. SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0143-18. Service Bulletin No. T-SB-0143-18 is obsolete and any printed versions should be discarded. Some 2019…
• 10171449Jan 15, 2020Equipment. TSB: OBSOLETE NOTICE January 15, 2020: This bulletin is now obsolete. Please see T-SB-0160-19.
• 10171701Jan 8, 2020Equipment. TT: Some vehicles equipped with Dynamic Navigation may experience a pop-up message notifying them that their map update service will end soon. The date that is shown could be more than one year in the future. This does not indicate any issues with the vehicle, and is only informing the user of the expiration date.
• 10170190Dec 19, 2019Equipment. Technical Instructions: December 12, 2019. This document has been updated to clarify that only authorized Toyota dealerships are authorized to confirm if the paint peeling condition is covered by this program. However, after confirming that the paint peeling condition is covered by this program, the authorized Toyota dealership may choose to coordinate to have the repainting repair performed by a non-Toyota repair…
• 10170184Dec 13, 2019Equipment. TSB: REVISION NOTICE December 13, 2019 Rev1: ? Applicability has been updated to include several 2020 model year Toyota vehicles. ? The Required Tools & Equipment section has been updated. Any previous printed versions of this bulletin should be discarded. Some 2018 ? 2020 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to…
• 10170750Dec 12, 2019Equipment. Technical Instructions: Customer Support Program ZKG ? Technical Instructions. December 12, 2019. This document has been updated to clarify that only authorized Toyota dealerships are authorized to confirm if the paint peeling condition is covered by this program. However, after confirming that the paint peeling condition is covered by this program, the authorized Toyota dealership may choose to coordinate to have…
• 10170749Dec 12, 2019Equipment. Dealer Package: December 12, 2019 This document has been updated to clarify that only authorized Toyota dealerships are authorized to confirm if the paint peeling condition is covered by this program. However, after confirming that the paint peeling condition is covered by this program, the authorized Toyota dealership may choose to coordinate to have the repainting repair performed by a non-Toyota repair facility…
• 10170726Dec 4, 2019Body and structure. Technical Instructions: TECHNICAL INSTRUCTIONS Customer Support Program ZKG Phase 2 ? Customer Renotification and Repair Phase Repair is Now Available Multiple Models and Model Years Vehicles Painted with Blizzard Pearl (070) or Super White (040) Paint Color Coverage for Peeling of Factory-Applied Paint.
• 10170725Dec 4, 2019Body and structure. Repair Process: Customer Support Program ZKG ? Paint Repair Process.
• 10170724Dec 4, 2019Body and structure. Dealer Package: Toyota has received reports of paint peeling on certain vehicles with the original factory-applied Blizzard Pearl or Super White paint colors. These reports indicate that vehicles with these specific paint colors, applied during the vehicle manufacturing process, may experience paint peeling on exterior metal body panels.
• 10170723Dec 4, 2019Body and structure. Dealer Email: Toyota has received reports of paint peeling on certain vehicles with the original factory-applied Blizzard Pearl or Super White paint colors. These reports indicate that vehicles with these specific paint colors, applied during the vehicle manufacturing process, may experience paint peeling on exterior metal body panels.
• 10170722Dec 4, 2019Body and structure. Region Letter: Toyota has received reports of paint peeling on certain vehicles with the original factory-applied Blizzard Pearl or Super White paint colors. These reports indicate that vehicles with these specific paint colors, applied during the vehicle manufacturing process, may experience paint peeling on exterior metal body panels.
• 10170721Dec 4, 2019Body and structure. Region Email: Toyota has received reports of paint peeling on certain vehicles with the original factory-applied Blizzard Pearl or Super White paint colors. These reports indicate that vehicles with these specific paint colors, applied during the vehicle manufacturing process, may experience paint peeling on exterior metal body panels.
• 10170720Dec 4, 2019Body and structure. Dealer Daily Message: ***Phase 2 ? Customer Renotification and Repair Phase*** Repair is Now Available Multiple Models and Model Years Vehicles Painted with Blizzard Pearl (070) or Super White (040) Paint Color Coverage for Peeling of Factory-Applied Paint. The repair phase of Customer Support Program ZKG is now available. Refer to the Dealer Letter on TIS for additional information.
• 10170718Dec 4, 2019Body and structure. TSB: Some 2008 ? 2019 model year Toyota vehicles painted with either 070 Blizzard Pearl or 040 Super White may exhibit peeling paint on one or more metal body panels. The paint may peel between the primer and E-coat layer, exposing the gray or brownish-green E-coat. The affected panel(s) will require prepping and repainting to address this condition. The paint repair may need to be sublet to a body shop.
• 10170715Dec 3, 2019Engine, Transmission and drivetrain. TT: On 2019-2020 model year Corolla Hatchback vehicles follow the recommendations when performing the HVAC odor maintenance service using A/C Power Foam Evaporator Cleaner & Refresher.
• 10169441Nov 25, 2019Equipment, Electrical system. TSB: REVISION NOTICE November 25, 2019 Rev2: ? Applicability has been updated to include 2019 model year Corolla and Prius C vehicles. ? The faceplate ID applicability table has been updated. October 23, 2019 Rev1: ? The entire bulletin has been updated. Any previous printed versions of this bulletin should be discarded. SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No…
• 10169334Nov 18, 2019Equipment, Electrical system. TT: Safety Connect is a vehicle option which requires a subscription fee for the system to be active after the initial trial period. Once the subscription has expired the DCM (Telematics Transceiver) will be in an inactive state. In some instances, a DCM may need to be replaced even though the customer is not using the service.
• 10169333Nov 18, 2019Equipment, Electrical system. TSB: Some 2019 model year Avalon and Avalon Hybrid vehicles equipped with Entune? Audio Plus (version 1002) or Entune? Premium Audio (version 1002) or earlier may exhibit one or more of the following conditions: ? Incorrect GPS date and time ? Abnormal Bluetooth® operation ? Abnormal Wi-Fi operation ? Microphone remains on screen after voice recognition failure ? Unable to see text with headlights on (text is same…

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