Toyota TSB #T-TT-0659-21 Rev
2015 Toyota Sienna
Affected Component: POWER TRAIN
- Summary
- TT: Some 2014-2021 model year vehicles equipped with Dynamic Torque Control AWD system may experience a ?Noise? or ?Abnormal Operation? condition from the rear differential front coupling. In some cases, even an ?AWD System Message? with or without a DTC may be present with or without other conditions present.