Diesel Data: Automotive Repair

A/T - Harsh 5 - 4 Deceleration Downshift

T-SB-0033-08

April 15, 2008

Harsh 5-4 Downshift on Deceleration

Service Category
Drivetrain

Section
Automatic Transmission/Transaxle

Market
USA





Applicability

TSB SUPERSESSION NOTICE

The information contained in this TSB supersedes TSB No. TC010-06.

^ Production Change Information has been updated with new VIN information.

^ Applicability has been updated to include 2008 and 2009 model year Camry.

TSB No. TC010-06 is Obsolete and any printed versions should be discarded. Be sure to review the entire content of this service bulletin before proceeding.

Introduction

Some 2006 - 2009 model year Camry vehicles equipped with the 2AZ-FE engine and U250E automatic transaxle (ATM) may exhibit a harsh 5-4 downshift under the following conditions:

^ ATM at normal operating temperature

^ After driving above 45 mph (72 km/h)

^ Decelerating through 28 mph (45 km/h)

The line pressure control solenoid assembly (SLT) has been improved to reduce this condition on customer complaint vehicles.





Production Change Information

This TSB applies to vehicles produced BEFORE the Production Change Effective VINs shown below.





Warranty Information

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 vehicles in-service date.

Warranty application is limited to correction of a problem based upon a customers specific complaint.





Parts Information





Required Tools & Equipment

Repair Procedure

1. Test drive and verify that the 5~ harsh downshift condition occurs as described in the Introduction section in this TSB.

2. Replace the SLT solenoid assembly.

Refer to the Technical Information System (TIS):

^ 2006 model year Camry Repair Manual:

Drivetrain - Automatic Transmission/Transaxle - "Transmission Valve Body Assy (U250E): Replacement"

^ 2007 model year Camry Repair Manual:

Drivetrain - Automatic Transmission/Transaxle: Unit Repair - "U250E Automatic Transaxle:
Shift Solenoid Valve: Removal, Disassembly, Inspection, Reassembly"

^ 2008 model year Camry Repair Manual:

Drivetrain - Automatic Transmission/Transaxle: Unit Repair - "U250E Automatic Transaxle:
Shift Solenoid Valve: Removal, Disassembly, Inspection, Reassembly"

^ 2009 model year Camry Repair Manual:

Drivetrain - Automatic Transmission/Transaxle: Unit Repair - "U250E Automatic Transaxle:
Shift Solenoid Valve: Removal, Disassembly, Inspection, Reassembly"

NOTE
For SLT solenoid identification, refer to TSB No. TC007-05, "U250E Transmission Solenoid Identification".

3. Reinstall the automatic transaxle oil pan. Refer to TIS:

^ 2006 model year Camry Repair Manual:

^ 2007 / 2008 / 2009 model year Camry Repair Manual:

Drivetrain - Automatic Transmission/Transaxle: Unit Repair - "U250E Automatic Transaxle: Shift Solenoid Valve: Installation"

4. Test drive and verify that the ATM operates normally.