Engine, A/T Controls - Harsh Shifts/MIL ON/Multiple DTCs

T-SB-0156-10

Rev1

June 22, 2010

Harsh Shift and/or MIL "ON" DTC P0750, P0753, P0755, P0758 and/or P1760

Service Category
Drivetrain

Section
Automatic Transmission/Transaxle

Market
USA





Applicability

TSB REVISION NOTICE

June 25, 2010 Rev1:

^ Step 4 of the Repair Procedure has been updated.

Any previous printed versions of this service bulletin should be discarded.

TSB SUPERSESSION NOTICE

The information contained in this TSB supersedes TSB No. TC002-06.

^ The TSB content has been modified to include the possible replacement of the transaxle assembly.

TSB No. TC002-06 is Obsolete and any printed versions should be discarded. Be sure to review the entire content of this service bulletin before proceeding.

Introduction

Some 2001 - 2003 model year RAV4 vehicles equipped with an automatic transaxle may exhibit a harsh shift condition and/or MIL "ON" with DTC P0750, P0753, P0755, P0758, and/or P1760 stored. Improvements have been made to the Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) manufacturing process to reduce the possibility of this condition occurring. Use the following procedure to repair the vehicle.





Warranty Information

APPLICABLE WARRANTY

^ This repair is covered under the Toyota Federal Emission Warranty. This warranty is in effect for 96 months or 80,000 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.





Parts Information

Repair Procedure

1. Confirm the vehicle is currently exhibiting a harsh shift condition and/or MIL "ON" with DTCs P0750, P0753, P0755, P0758, and/or P1760 stored.

^ If the vehicle exhibits the above condition, proceed to step 2 - Replace the ECM (PCM). If the vehicle does NOT exhibit the above condition, this TSB does NOT apply.

2. Replace the ECM (PCM).





Refer to the Technical Information System (TIS) applicable model year RAV4 Repair Manual:

3. After replacement of the ECM (PCM) confirm that the vehicle has been repaired. It is necessary to complete ECM learning and a function test of the automatic transaxle assembly.

Drive the vehicle under normal city driving conditions for at LEAST 20 minutes to complete the ECM learning function then complete a function test.

NOTE

The ECM learning must be completed BEFORE performing a function test of the automatic transaxle assembly.





Refer to TIS applicable model year RAV4 Repair Manual:

4. If the automatic transaxle still has harsh shifting and/or MIL "ON" with DTCs P0750, P0755, and/or P1760 stored, replace the automatic transaxle assembly.





Refer to TIS, applicable model year RAV4 Repair Manual:

5. Perform a road test to verify the repair.





Refer to TIS applicable model year RAV4 Repair Manual: