1. MG

    2019-2020 Toyota Rav4 Abnormal Noise From the AWD Dynamic Torque Vectoring Disconnect System T-SB-0022-22 Revision 1

    Please see T-SB-0022-22 Revision 1 SUPERSESSION NOTICE: The information contained in this bulletin supersedes Service Bulletin No. T-SB-0067-20. The Introduction, Warranty Information, Parts Information, and Required Tools & Equipment sections have been updated.  The Production Change...
  2. OishiiJPN

    2018-2022 Toyota Tacoma 4WD Inoperative Lights Flashing on Dash T-TT-0684-22

    Please see Tech Tip T-TT-0684-22 APPLICABLE VEHICLES: 2018-2022 Toyota Tacoma CONDITION: Water intrusion to the ADD actuator is currently being investigated as a cause of 4WD inoperative complaints. P17A0 and P17A4 DTCs may set for this condition but not always. RECOMMENDATIONS: Please create...
  3. OishiiJPN

    2019 Toyota Rav4 Abnormal Noise from Differential and Miss Match of Connect/Disconnect Timing Tech Tip T-TT-0652-21 Revision 1

    Please see Tech Tip T-TT-0652-21 Revision 1 APPLICABLE VEHICLES: 2019 Toyota RAV4 CONDITION: This Tech Tip applies to 2019 model year RAV4 Adventure/Limited grade equipped with torque vectoring AWD system ONLY. Some customers may experience an abnormal noise from rear differential after...
  4. MG

    2019-2020 Toyota RAV4 Abnormal Noise From Rear Differential During Connect/Disconnect Operation T-SB-0067-20

    This Bulletin is Obsolete and has been Superseded to T-SB-0022-22 Revision 1. Please see here... Please see T-SB-0067-20 Applicability: 2019-2020 RAV4 WMI(s): 2T3, JTM VDS(s): J1RFV, N1RFV (Please see this Post to determine WMI and VDS) Introduction: Some 2019 – 2020 model year RAV4...
  5. MG

    2019 Toyota Rav4 Abnormal Buzz/Groan Noise 20 – 30 mph From Rear Differential T-SB-0009-20

    This Bulletin is Now Obsolete....See T-SB-0009-20 Some 2019 model year RAV4 Adventure and Limited grade AWD vehicles may exhibit an abnormal buzz/groan noise from the rear differential assembly at 20 – 30 mph when accelerating from a stop and/or at 20 – 13 mph on deceleration after driving...
  6. MG

    2019-2020 Toyota RAV4 AWD Warning Light ON DTC C13F800 T-SB-0086-19

    Please see T-SB-0086-19 Revision 2 Applicability: 2019-2020 Toyota RAV4 Introduction: Some 2019 model year RAV4 vehicles may exhibit an AWD Warning Light/Message ON condition with Diagnostic Trouble Code (DTC) C13F800 (4WD/AWD Rear Disconnect System Performance) present. Follow the Repair...
  7. OishiiJPN

    2014-2019 Toyota 4Runner Rear Differential Whine or Groan Noise at 40 - 60 mph T-SB-0074-19

    Please see T-SB-0074-19 Revision 1 Applicability: 2014-2019 Toyota 4Runner Introduction: Some 2014 – 2019 model year 4Runner vehicles may exhibit a whine or groan noise from the rear of the vehicle. This condition may occur while driving around 40 – 60 mph at a consistent speed, slight...
  8. BGroot

    2019 Toyota Tacoma Differential Whine Noise

    We are seeing a few 2019 Toyota Tacoma's with a whining noise in the differential. The repair has been to replace the differential so far. Anyone else seeing this concern?
  9. MG

    2016-2018 Toyota Tacoma Whine Noise From Rear of Vehicle

    Some 2016 – 2018 model year Tacoma Double Cab 4WD vehicles equipped with a BD22 rear differential may exhibit a whine type noise from the rear of the vehicle. This condition may occur while driving around 50 mph at constant speed, slight acceleration, or slight deceleration and may be caused by...
  10. MG

    2016-2018 Toyota Tacoma Front Differential Cyclical Groaning or Grinding Noise

    Some 2016 – 2018 model year Tacoma 4WD vehicles may exhibit a cyclical groaning or grinding noise coming from the front differential in 2WD that is not present during 4WD operation. Follow the Repair Procedure in bulletin T-SB-0011-18 to address this condition. R & R Front Differential - New...
  11. Lewis

    2006-2012 Toyota Rav4 Rear Differential Warranty Extension LSC ZF4

    Warranty Enhancement Letter ZF4 Technical Service Bulletin 0080-13 Subject: Warranty Enhancement Program – ZF4 2006 – 2012 RAV4 4WD vehicles Extension of Warranty Coverage for Rear Differential Coupling Growl Noise In our continuing efforts to help ensure the best in customer satisfaction...