Engine/Hybrid Controls - MIL ON/DTC P0A84 Set
T-SB-0102-09Rev1
April 6, 2009
MIL "ON" DTC P0A84
Service Category
Engine/Hybrid System
Section
Hybrid/Battery Control System
Market
USA
Applicability
TSB REVISION NOTICE
^ September 23, 2009 Rev1:
^ The Introduction has been updated and a note has been added to the Production Change Information section to clarify only Tsutsumi-built vehicles are applicable to this TSB.
Any previous printed versions of this service bulletin should be discarded.
The information contained in this TSB supersedes TSB No. EGO60-06.
TSB SUPERSESSION NOTICE
^ This bulletin has been updated for the use of TIS Techstream.
^ The procedures in this bulletin will update the software for both the HV ECU and ECM/PCM.
^ Calibration information has been updated.
TSB No. EGO60-06 is Obsolete and any printed versions should be discarded. Be sure to review the entire content of this service bulletin before proceeding.
Introduction
Some 2007 model year Tsutsumi-built Camry HV vehicles may exhibit a MIL "ON" condition with DTC P0A84 (Hybrid Battery Pack Cooling Fan 1). Improvements have been made to the HV ECU software to correct this condition. Use the following repair procedure to address customer concerns.
Production Change Information
This TSB applies to vehicles produced BEFORE the Production Change Effective VIN shown.
This TSB is ONLY applicable to vehicles with VINs beginning with JTN. Vehicles with a VIN beginning with 4T1 do NOT apply.
Warranty Information
APPLICABLE WARRANTY
^ This repair is covered under the Toyota Hybrid Vehicle System Warranty. This warranty is in effect for 96 months or 100,000 miles, whichever occurs first, from the vehicle's in-service date.
^ For California specification vehicles sold, registered, and operated in California, Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, New York, Rhode Island, or Vermont, this repair is covered under the California Emission Warranty, which is in effect for 180 months or 150,000 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
NOTE
^ The HV ECU should NOT be replaced as part of the repair procedure.
^ Authorized Modification Labels may be ordered in packages of 25 from the Materials Distribution Center (MDC) through Dealer Daily - Dealer Support Materials Orders.
Calibration Information
Required Tools & Equipment
Repair Procedure
1. Check for the Authorized Modifications Label affixed to the vehicle in the location shown in Figure 1. Confirm if the HV ECU calibration has been updated. If the calibration ID listed is NOT the latest HV ECU calibration - go to step 2.
2. Flash Reprogram the HV ECU and ECM (PCM).
NOTE
^ The GR8 Battery Diagnostic Station MUST be used in Power Supply Mode to maintain battery voltage at 13.5 volts while flash reprogramming the vehicle.
^ For details on how to use the GR8 Battery Diagnostic Station, refer to the located on the Technical Information System (TIS), Diagnostics - Battery
Follow the procedures outlined in TSB No. SS002-07, "Techstream ECU Flash Reprogramming Procedure", and flash the ECM (PCM) with the NEW calibration file update.
3. Place vehicle into Ready "ON" mode and test drive the vehicle to confirm proper vehicle operation of the HV ECU and ECM (PCM).
4. Install the Authorized Modifications Label.
A. Using a permanent marker, enter the following information on the label:
^ HV ECU part number [Refer to the Parts Information section for the CURRENT PART NUMBER]
^ Calibration ID(s) [Refer to the Calibration Identification Chart for the NEW CALIBRATION ID]
^ Dealer Code
^ Repair Date
^ Change Authority [This TSB number]
B. Affix the Authorized Modifications Label to the vehicle at the location shown in Figure 1. The Authorized Modifications Label is available through the MDC, P/N 00451-00001-LBL.