TTT071522

Tech Tip T-TT-0715-22
Subject
February 20, 2023
Market
Abnormal Noise from Hybrid Transaxle (T/A) or MGR
USA
Service Category
Section
Drivetrain
Hybrid Transmission/Transaxle
Applicability
2019-2023 RAV4 HV
APPLICABLE VEHICLES
2019-2023
RAV4 HV
CONDITION
Some 2019- 2023 RAV4 HV vehicles may duplicate an abnormal noise (Growl, Humming and/or
other) from the Hybrid T/A and/or MGR at various vehicle speeds and normal drive conditions.
RECOMMENDATIONS
Please create a TAS case and contact TAS for instruction prior to diagnosing or repairing of the
vehicle. If it is a weekend or a holiday, continue with diagnosis and repair. Please save all parts and/or
details and contact TAS on the next available workday.
Prior to contacting TAS, confirm/attach the following to the case:
1.
No fluid leaks that could contribute to the abnormal sound from the Hybrid T/A or MGR
2.
No accident damages that could contribute to the abnormal sound from the Hybrid T/A or
MGR
3.
Be able to provide TAS the vehicle situation for duplication and indicate in TAS case:
Windows Open, Windows closed, Nearby wall, fence, In underground parking, etc.
4.
Complete and attach the HV Transaxle Abnormal Noise/Vibration Customer Interview Form
5.
Video recording showing speedometer when the phenomenon is audible, please indicate(for
example by stretching your finger) when the sound duplicates.
6.
A Techstream file, containing a complete Health Check and Hybrid data Snap-Shot with
flags (with comments) indicating when the phenomenon is audible.
Expires on
Ver. 4.0 01/01/2022 T
02/20/2023
Rev1
© 2022, Toyota Motor Sales, USA
Page 1 of 2
Tech Tip T-TT-0715-22
February 20, 2023
Subject
Market
Abnormal Noise from Hybrid Transaxle (T/A) or MGR
USA
Applicability
RECOMMENDATIONS
LINK REFERENCES
1.
Customer Interview Form: HV Transaxle Abnormal Noise / Vibration
Expires on
Ver. 4.0 01/01/2022 T
02/20/2023
Rev1
© 2022, Toyota Motor Sales, USA
Page 2 of 2