T-SB-0160-18

T-SB-0160-18
December 17, 2018
Transaxle Whine Noise, Harsh Shift, MIL ON, or
Reduced Power
Service
Category
Drivetrain
Section
Automatic Transmission/Transaxle
Market USA
Applicability
YEAR(S)
MODEL(S)
ADDITIONAL INFORMATION
2017 - 2018
Highlander, Sienna
Transmission(s): 8AT
Introduction
Some 2017 – 2018 model year Highlander and Sienna vehicles may exhibit a whine noise while
driving, a harsh shift, MIL ON, or reduced power.
The following Diagnostic Trouble Codes (DTCs) may be present.

P07457F

P07757F

P07957F

P28077F

P28167F

P08BA7F

P27137F

P07407E

P27567F

P211904

P071531
For transaxles within the specified dates that meet the required symptoms, a remanufactured
transaxle is available. Follow the Repair Procedure in this bulletin to address this condition.
© 2018 Toyota Motor Sales, USA
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Transaxle Whine Noise, Harsh Shift, MIL ON, or Reduced Power
Production Change Confirmation Procedure
Locate the transaxle serial number, found on the sticker located on the transaxle assembly
side cover or on the engraved location as shown. A serial number decoder is also
provided below.
Figure 1. Serial Number Sticker and Engraved Serial Number Location
1
2
1
Serial Num ber Sticker
2
Engraved Serial Number Location
Figure 2. AW Plant Serial Number Decoder
MODEL
PLANT
DRIVETRAIN
PRODUCTION CHANGE EFFECTIVE AT SERIAL NUMBER
AW
8AT
7A617E03416
Highlander
Sienna
© 2018 Toyota Motor Sales, USA
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Transaxle Whine Noise, Harsh Shift, MIL ON, or Reduced Power
Warranty Information
OP CODE
DESCRIPTION
369011
R & R Transaxle
369011Q
MODEL
TIME
Sienna (FWD)
7.4
Sienna (AWD)
8.5
Highlander (FWD)
7.3
Highlander (AWD)
8.2
OFP
30500-####0
T1
T2
TBD*
TBD*
*T1 and T2 values are based on replacement phenomenon.
APPLICABLE WARRANTY
 This repair is covered under the Toyota Powertrain Warranty. This warranty is in effect for 60
months or 60,000 miles, whichever occurs first, from the vehicle’s in-service date.
 Warranty application is limited to occurrence of the specified condition described in
this bulletin.
© 2018 Toyota Motor Sales, USA
T-SB-0160-18
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Transaxle Whine Noise, Harsh Shift, MIL ON, or Reduced Power
Parts Information
PART NUMBER
PART NAME
QTY
Reman ATM
1*
30510-45071-84
30510-45081-84
30510-48601-84
2 – 3*
90080-43036
Gasket, Exhaust Pipe
17451-0D140
1
17173-0P040
Gasket, Exhaust Manifold to Head
1**
17176-31130
Gasket, Air Surge Tank to Intake Manifold
1**
90080-17238
Nut, Lock
2
90080-11555
Bolt, W/Washer
1
95381-03025
Pin, Cotter
2
90080-52017
Ring, Hole Snap
1
90901-19060
Bolt, W/Washer
1***
90521-73001
Ring, Hole Snap
1***
35150-45010
Plug Assy, Transmission Case
1
90430-18008
Gasket
2
90116-12051
3***
Bolt, Stud
90116-12052
1***
12157-10010
Gasket, Drain Plug
2***
08885-02506
Gear Oil, LT 75W-85
As Needed***
00289-ATFWS
ATF WS
As Needed
00272-SLLC2
Super Long Life Coolant
As Needed
*Use the VIN # to order the correct transaxle and quantity of gaskets.
**Highlander ONLY.
***AWD vehicle ONLY.
© 2018 Toyota Motor Sales, USA
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Transaxle Whine Noise, Harsh Shift, MIL ON, or Reduced Power
Required Tools & Equipment
SPECIAL SERVICE TOOLS (SST)
PART NUMBER
QTY
Drive Shaft Nut Chisel*
09930-00010
1
Ball Joint Puller*
09960-20010-01
1
Drive Shaft Remover Attachment*
09520-01010-02
1
Differential Side Gear Shaft Tool
09520-24010
1
Transmission Oil Plug
09325-20010
1
Ratcheting Strap*
00002-2SUPP
1
Crankshaft Pulley Holding Tool*
09213-70011
1
Companion Flange Holding Tool*
09330-00021
1
Transmission Fill System*
00002-11100-02
1
Engine Support Bar*
00002-ESUPPT-01
1
*Essential SST.
NOTE
Additional SSTs may be ordered by calling 1-800-933-8335.
REQUIRED EQUIPMENT
SUPPLIER
Techstream 2.0*
Techstream Lite
PART NUMBER
TS2UNIT
ADE
Techstream Lite (Green Cable)
TSLITEPDLR01
TSLP2DLR01
*Essential SST.
NOTE
 Only ONE of the Techstream units listed above is required.
 Software version 13.30.018 or later is required.
 Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE)
at 1-800-368-6787.
Repair Procedure
1. Confirm the transaxle serial number.
Does the transaxle serial number begin with 7A6 AND come BEFORE 7A617E03416?
 YES — Continue to step 2.

QTY
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
© 2018 Toyota Motor Sales, USA
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Transaxle Whine Noise, Harsh Shift, MIL ON, or Reduced Power
Repair Procedure (continued)
2. Confirm the NT sensor speed.
A. Connect Techstream to the vehicle and select Engine Data List.
B. Place the vehicle in Park and apply the parking brake.
C. Increase the engine speed to 1,000 rpm.
Is the NT sensor speed less than or equal to the specification in Table 1 at the
given parameter?
NOTE
Use parameter No. 1 or No. 2 in Table 1.

YES — Continue to step 3.

NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
Figure 3.
Table 1.
PARAMETER
NO.
SHIFT
POSITION
ENGINE
SPEED
(rpm )
P
1,000
1
2
NT SENSOR SPEED (rpm )
A/T OIL TEMPERATURE NO. 1
CONTINUE DIAGNOSIS
USING THE APPLICABLE
REPAIR MANUAL
GO TO STEP 3
81° – 104°F (27° – 40°C)
Greater Than 850
850 or Under
105° – 212°F (41° – 100°C)
Greater Than 900
900 or Under
© 2018 Toyota Motor Sales, USA
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Transaxle Whine Noise, Harsh Shift, MIL ON, or Reduced Power
Repair Procedure (continued)
3. Confirm if ANY of the following conditions are present.
A. Diagnostic Trouble Code (DTC) P07457F, P07757F, P07957F, P28077F, P28167F,
P08BA7F, P27137F, P07407E, P27567F, P211904, or P071531 is present.
B. Harsh shift.
C. A whine noise is present while driving in D range.
Refer to the video links below for examples of the whine noise condition.
Whine Noise Example No. 1 / Whine Noise Example No. 2
Are ANY of the conditions listed above present?
 YES — Continue to step 4.

NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
4. Replace the transaxle.
Refer to TIS, applicable model and model year Repair Manual:

2017 – 2018 Highlander (2WD):
Drivetrain – Automatic Transmission/Transaxle – “UA80E Automatic Transmission /
Transaxle: Automatic Transaxle Assembly: Removal / Installation”

2017 – 2018 Highlander (4WD):
Drivetrain – Automatic Transmission/Transaxle – “UA80F Automatic Transmission /
Transaxle: Automatic Transaxle Assembly: Removal / Installation”

2017 – 2018 Sienna (2WD):
Drivetrain – Automatic Transmission/Transaxle – “UA80E Automatic Transmission /
Transaxle: Automatic Transaxle Assembly: Removal / Installation”

2017 – 2018 Sienna (4WD):
Drivetrain – Automatic Transmission/Transaxle – “UA80F Automatic Transmission /
Transaxle: Automatic Transaxle Assembly: Removal / Installation”
5. Test-drive the vehicle to confirm proper operation.
© 2018 Toyota Motor Sales, USA