Service bulletins for the 2019 Toyota 4Runner
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.
157 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Equipment and accessories are shown. Show all
| T-SB-0094-20 | 2020-10-26. Service bulletin. SUSPENSION; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. TSB: Some 2019 ? 2020 model year TRD Pro Edition 4Runner vehicles may exhibit a knocking noise when driving at low speeds over uneven road surfaces (small bumps and dips) in cold conditions. The noise is noticeable in cold temperatures (less than 40?F) and diminishes as temperatures increase. The TRD Pro shock absorbers have been improve noise performance. Follow the Repair Procedure in this bulletin to address the condition. |
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| K0P_19TE12-TI-Up | 2020-09-14. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. TI: TECHNICAL INSTRUCTIONS FOR LIMITED SERVICE CAMPAIGN K0P CUSTOMER SUPPORT PROGRAM 19TE12 SAFETY CONNECT SYSTEM ? VEHICLE LOCATION INACCURATE |
| K0P_19TE12-TI-Up | 2020-09-14. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. TI: TECHNICAL INSTRUCTIONS FOR LIMITED SERVICE CAMPAIGN K0P CUSTOMER SUPPORT PROGRAM 19TE12 SAFETY CONNECT SYSTEM ? VEHICLE LOCATION INACCURATE |
| T-TT-0615-20 Rev | 2020-09-14. Service bulletin. EQUIPMENT; 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. |
| T-TT-0516-18_Rev | 2020-06-22. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. 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. |
| T-TT-0606-20 | 2020-05-11. Service bulletin. EQUIPMENT. 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. Due to this situation, dealers are reminded and recommended to follow the Long-Term Vehicle Storage Guidelines outlined in T-SB-0009-19 and other Service Bulletin publications to ensure customers receive their vehicles in a fresh and well maintained condition Please ensure that both Sales and Service at your dealership are aware of these guidelines and are following the recommended maintenance and storage processes and procedures to ensure the highest customer satisfaction with their new vehicle purchase. |
| T-TT-0583-19_Rev | 2020-05-11. Service bulletin. EQUIPMENT. TT: Some customers who have upgraded their iPhone® to iOS13 are experiencing a condition where the Bluetooth connection disconnects and reconnects. In some instances, this condition causes the Panasonic head unit to reboot when the Bluetooth connection is initiated. |
| T-SB-0032-20 | 2020-05-11. Service bulletin. EQUIPMENT. 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) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most 1979 ? 2020 model year vehicles may be available provided the requests meet the criteria listed in this Service Bulletin. Follow the Procurement Procedure in this bulletin to request a replacement certification label or VIN plate. |
| T-SB-0074-19_Rev | 2020-04-13. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; SUSPENSION. TSB: Some 2014 ? 2019 model year 4Runner vehicles may exhibit a whine/groan noise from the rear of the vehicle. This condition may occur while driving at approximately 40 ? 60 mph at a consistent speed, slight acceleration, or slight deceleration. This condition may be caused by rear differential vibration transferring through the chassis and body. Follow the Repair Procedure in this bulletin to improve this condition |
| T-TT-0600-20 | 2020-03-30. Service bulletin. EQUIPMENT:ELECTRICAL. TT: Some customers may experience echoing on the line calling the vehicle when using Bluetooth Hands Free. This is caused by the phone Hands Free volume being too low. These settings may need to be reapplied any time the phone is paired to a new head unit, a phone update is applied, or the phone is un-paired and re-paired. |
| T-TT-0598-20 | 2020-03-30. Service bulletin. EQUIPMENT. TT: Some vehicles may experience a ?New software is not compatible with the system.? Pop-up while performing T-SB-0003-20 during the head unit software installation process |
| T-TT-0520-19_Rev | 2020-02-18. Service bulletin. EQUIPMENT. 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. |
| T-SB-0279-17_Obs | 2020-02-18. Service bulletin. EQUIPMENT. TSB: OBSOLETE NOTICE January 13, 2020: This bulletin is now obsolete. Please see T-SB-0003-20. |
| T-SB-0008-20 | 2020-02-18. Service bulletin. EQUIPMENT. 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 next service interval. Follow the Repair Information in this bulletin to determine if the concern in question is a fluid leak or fluid seep and review the Repair Procedure section to address the condition. NOTE This bulletin applies to ALL powertrain fluids excluding fuel and coolant. |
| 19TE12 - DCM - D | 2020-01-27. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Dealer Package: December 10, 2019 Vehicle total has decreased by approximately 1,100 vehicles. Vehicles were moved from Customer Support Program 19TE12 and added to Limited Service Campaign K0P. The Data Communication Module (DCM) in the subject vehicles is equipped with software to identify the location of the vehicle using the Global Positioning System (GPS) to support features of the Safety Connect system. Due to incorrect programming in the DCM software, after November 2nd, 2019, the GPS coordinates for this system will be calculated incorrectly. This will cause the system to use incorrect vehicle coordinates if one of the system?s features is activated. Note: Toyota has initiated a Limited Service Campaign and a Customer Support Program to resolve this issue related to the Safety Connect system. Both of these programs provide the same free remedy to correct this issue with Safety Connect. Toyota recommends that customers have the free remedy performed before reactivating Safety Connect. Vehicles that had an active Safety Connect subscription on or after 10/1/2017 were included in Limited Service Campaign LSC K0P. Vehicles that did not have an active Safety Connect subscription on or after 10/1/2017 but are affected by this condition are included in this Customer Support Program (19TE12). The following information is provided to inform you and your staff of the program notification schedule and your degree of involvement. |
| K0P_Dealer Packa | 2020-01-27. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM. Dealer Package: 12/10/2019 Vehicle total has increased by approximately 1,100 vehicles. Vehicles were moved from Customer Support Program 19TE12 and added to Limited Service Campaign K0P. The Data Communication Module (DCM) in the subject vehicles are equipped with software to identify the location of the vehicle using the Global Positioning System (GPS) to support features of the Safety Connect system. Due to incorrect programming in the DCM software, after November 2nd, 2019, the GPS coordinates for this system will be calculated incorrectly. This will cause the system to use incorrect vehicle coordinates if one of the system?s features is activated. |
| T-TT-0583-19 | 2019-12-16. Service bulletin. EQUIPMENT:ELECTRICAL. TT: Some customers who have upgraded their iPhone® to iOS13 are experiencing a condition where the Bluetooth connection disconnects and reconnects. In some instances, this condition causes the Panasonic head unit to reboot when the Bluetooth connection is initiated. |
| T-SB-0157-19 | 2019-12-16. Service bulletin. EQUIPMENT. TSB: Some 2017 ? 2020 model year 4Runner vehicles equipped with JBL® audio may exhibit poor sound quality coming from the dash speakers or static/feedback heard by the incoming caller. Updated speakers are available to address this condition. Follow the Repair Procedure in this bulletin to address this condition. |
| T-TT-0442-17_Rev | 2019-12-16. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING 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. If registration of the replacement DCM part is attempted using the Techstream utility after the account has become inactive, the registration will fail, and messages such as ?ATX webserver is Down? or ?ATX error? will be displayed. |
| 19TE12_Dealer Pa | 2019-12-16. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM. Dealer Package: Opcodes are now available to submit a warranty claim on vehicles still under the New Vehicle Limited Warranty (3yrs/36,000 miles). The Data Communication Module (DCM) in the subject vehicles is equipped with software to identify the location of the vehicle using the Global Positioning System (GPS) to support features of the Safety Connect system. Due to incorrect programming in the DCM software, after November 2nd, 2019, the GPS coordinates for this system will be calculated incorrectly. This will cause the system to use incorrect vehicle coordinates if one of the system?s features is activated. Note: Toyota has initiated a Limited Service Campaign and a Customer Support Program to resolve this issue related to the Safety Connect system. Both of these programs provide the same free remedy to correct this issue with Safety Connect. Toyota recommends that customers have the free remedy performed before reactivating Safety Connect. Vehicles that had an active Safety Connect subscription on or after 10/1/2017 were included in Limited Service Campaign LSC K0P. Vehicles that did not have an active Safety Connect subscription on or after 10/1/2017 but are affected by this condition are included in this Customer Support Program (19TE12). |
| Toyota Safety Re | 2019-12-02. Service bulletin. EQUIPMENT. Safety Recall and Service Campaign - Technician Certification Requirements |
| 19TE12 - DCM - T | 2019-12-02. Service bulletin. EQUIPMENT. Technical Instructions: TECHNICAL INSTRUCTIONS FOR LIMITED SERVICE CAMPAIGN K0P CUSTOMER SUPPORT PROGRAM 19TE12 SAFETY CONNECT SYSTEM ? VEHICLE LOCATION INACCURATE CERTAIN 2013 ? 2019 MODEL YEAR 4RUNNER 2011 ? 2017 MODEL YEAR LAND CRUISER 2013 ? 2017 MODEL YEAR PRIUS 2012 ? 2017 MODEL YEAR PRIUS V 2016 ? 2017 MODEL YEAR MIRAI. Updated 10/17/2019 |
| 19TE12 - DCM - D | 2019-12-02. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Dealer Package: The Data Communication Module (DCM) in the subject vehicles is equipped with software to identify the location of the vehicle using the Global Positioning System (GPS) to support features of the Safety Connect system. Due to incorrect programming in the DCM software, after November 2nd, 2019, the GPS coordinates for this system will be calculated incorrectly. This will cause the system to use incorrect vehicle coordinates if one of the system?s features is activated. Note: Toyota has initiated a Limited Service Campaign and a Customer Support Program to resolve this issue related to the Safety Connect system. Both of these programs provide the same free remedy to correct this issue with Safety Connect. Toyota recommends that customers have the free remedy performed before reactivating Safety Connect. Vehicles that had an active Safety Connect subscription on or after 10/1/2017 were included in Limited Service Campaign LSC K0P. Vehicles that did not have an active Safety Connect subscription on or after 10/1/2017 but are affected by this condition are included in this Customer Support Program (19TE12). |
| 19TE12 - DCM - D | 2019-12-02. Service bulletin. EQUIPMENT. Dealer Email: The Data Communication Module (DCM) in the subject vehicles is equipped with software to identify the location of the vehicle using the Global Positioning System (GPS) to support features of the Safety Connect system. Due to incorrect programming in the DCM software, after November 2nd, 2019, the GPS coordinates for this system will be calculated incorrectly. This will cause the system to use incorrect vehicle coordinates if one of the system?s features is activated. Note: Toyota has initiated a Limited Service Campaign and a Customer Support Program to resolve this issue related to the Safety Connect system. Both of these programs provide the same free remedy to correct this issue with Safety Connect. Toyota recommends that customers have the free remedy performed before reactivating Safety Connect. Vehicles that had an active Safety Connect subscription on or after 10/1/2017 were included in Limited Service Campaign LSC K0P. Vehicles that did not have an active Safety Connect subscription on or after 10/1/2017 but are affected by this condition are included in this Customer Support Program (19TE12). |
| 19TE12 - DCM - R | 2019-12-02. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Region Letter: The Data Communication Module (DCM) in the subject vehicles is equipped with software to identify the location of the vehicle using the Global Positioning System (GPS) to support features of the Safety Connect system. Due to incorrect programming in the DCM software, after November 2nd, 2019, the GPS coordinates for this system will be calculated incorrectly. This will cause the system to use incorrect vehicle coordinates if one of the system?s features is activated. Note: Toyota has initiated a Limited Service Campaign and a Customer Support Program to resolve this issue related to the Safety Connect system. Both of these programs provide the same free remedy to correct this issue with Safety Connect. Toyota recommends that customers have the free remedy performed before reactivating Safety Connect. Vehicles that had an active Safety Connect subscription on or after 10/1/2017 were included in Limited Service Campaign LSC K0P. Vehicles that did not have an active Safety Connect subscription on or after 10/1/2017 but are affected by this condition are included in this Customer Support Program (19TE12). |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.