NHTSA ID Number: 10201402
Manufacturer Communication Number: T-SB-0057-21
TSB/Document Date: 2021-09-13
Summary
TSB: Some 2021 model year RAV4 Prime vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P0CDF72 (Hybrid
/EV Battery Cooling Magnetic Valve Actuator Stuck Open) present. The Amplifier Assy. Air Conditioner logic has been modified to reduce the possibility of this condition. Follow the Repair Procedure in this bulletin to address this condition.
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TSB/Document ID: T-SB-0057-21
Replacement Service Bulletin Number:
MFR Communication Date: 2021-07-26
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
MFR Component System:
MFR Component Subsystem:
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T-SB-0057-21
July 26, 2021
MIL ON With DTC P0CDF72
Service
Category
Engine/Hybrid System
Section
Market USA
Applicability
YEAR(S)
MODEL(S)
2021
RAV4 Prime
ADDITIONAL INFORMATION
Introduction
Some 2021 model year RAV4 Prime vehicles may exhibit a MIL ON condition with Diagnostic
Trouble Code (DTC) P0CDF72 (Hybrid/EV Battery Cooling Magnetic Valve Actuator Stuck Open)
present. The Amplifier Assy. Air Conditioner logic has been modified to reduce the possibility of
this condition. Follow the Repair Procedure in this bulletin to address this condition.
Production Change Information
This bulletin applies to vehicles produced BEFORE the Production Change Effective VINs
shown below.
MODEL
PLANT
DRIVETRAIN
PRODUCTION CHANGE EFFECTIVE VIN
RAV4 Prime
Shokki-Nagakusa
AWD
JTM#B3FV#MD032776
© 2021 Toyota Motor Sales, USA
Page 1 of 5
T-SB-0057-21
July 26, 2021
Page 2 of 5
MIL ON With DTC P0CDF72
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
800069
Reprogram Amplifier Assy,
Air Conditioner Software
0.4
88650-42861
8A
74
APPLICABLE WARRANTY
This repair is covered under the Toyota Basic Warranty. This warranty is in effect for 36 months
or 36,000 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.
2021 RAV4 Prime vehicles that are registered and normally operated in California, Arizona (2012
model year only), Connecticut (starting with 2005 model year), Maine (starting with 2004 model
year), Maryland (starting with 2011 model year), Massachusetts (starting with 2004 model year),
New Hampshire (2005 – 2009 model year only), New Jersey (starting with 2005 model year), New
Mexico (2010 – 2011 model year only), New York (beginning with 2004 model year with ZE models
only; all models starting with 2016 model year), Oregon (starting with 2008 model year), Rhode
Island (starting with 2005 model year), and Vermont (starting with 2004 model year) – Partial Zero
Emission Vehicle (PZEV) Emission Warranty Coverage is in effect for 15 years or 150,000 miles,
from the vehicle’s in-service date, whichever occurs first. (Please reference Warranty Policy
Bulletin POL14-09 for additional information).
Three additional states, Delaware beginning with (2014 model year), Pennsylvania (beginning
with 2008 model year), and Washington (beginning with 2009 model year), have adopted the
California Emission Warranty; however, in these states, performance and long-term defect
warranty coverage is 7 years or 70,000 miles, whichever occurs first.
Parts Information
PART NUMBER
PREVIOUS
NEW
88650-42861
88650-42862
00451-00001-LBL
PART NAME
QTY
Amplifier Assy, Air Conditioner
–
Authorized Modifications Labels
1
NOTE
The Amplifier Assy, Air Conditioner should NOT be replaced as part of the Repair Procedure.
Authorized Modifications Labels may be ordered in packages of 25 from the Materials
Distribution Center (MDC) through Dealer Daily – Parts – Dealer Support Materials Orders.
© 2021 Toyota Motor Sales, USA
T-SB-0057-21
July 26, 2021
Page 3 of 5
MIL ON With DTC P0CDF72
Required Tools & Equipment
SPECIAL SERVICE TOOLS (SST)
PART NUMBER
QTY
Battery Diagnostic Tool*
DCA-8000P T
1
*Essential SST.
NOTE
Additional SSTs may be ordered by calling 1-800-933-8335.
REQUIRED EQUIPMENT
SUPPLIER
Techstream ADVI*
PART NUMBER
TSADVUNIT
Techstream 2.0
TS2UNIT
ADE
1
Techstream Lite
TSLITEPDLR01
Techstream Lite (Green Cable)
TSLP2DLR01
*Essential SST.
NOTE
Only ONE of the Techstream units listed above is required.
Software version 16.10.017 or later is required.
Additional Techstream units may be ordered by calling Approved Dealer
Equipment (ADE) at 1-800-368-6787.
Use Techstream or an approved J2534 interface to perform flash reprogramming updates.
Visit techinfo.toyota.com for more information regarding J2534 reprogramming.
Calibration Information
CALIBRATION ID
MODEL
RAV4 Prime
ENGINE
A25A
VDS
*B3FV
QTY
PREVIOUS
NEW
8865F4204005
8865F4204004
8865F4204003
8865F4204006
© 2021 Toyota Motor Sales, USA
T-SB-0057-21
July 26, 2021
Page 4 of 5
MIL ON With DTC P0CDF72
Repair Procedure
1. Confirm the condition exists.
Does the vehicle exhibit a MIL ON condition with DTC P0CDF72?
YES — Continue to step 2.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
2. Check for the Authorized Modifications Label affixed to the vehicle in the location shown
below. Confirm if the Amplifier Assy, Air Conditioner calibration has been updated.
Is the calibration ID listed the latest Amplifier Assy, Air Conditioner calibration?
YES — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
NO — Continue to step 3.
Figure 1. Location of Authorized Modifications Label on 2021 RAV4 Prime
TOYOTA MOTOR CORPORATION
AUTHORIZED MODIFICATIONS
THE FOLLOWING MODIFICATIONS HAVE BEEN MADE:
1
2
THESE MODIFICATIONS HAVE BEEN APPROVED
AS APPROPRIATE BY EPA AND CARB
3
DEALER CODE:
CHANGE AUTHORITY:
4
DATE:
5
1
Replacement Amplifier Assy, Air Conditioner
Part Number (e.g., 88650-42862)
4
Date Completed
2
New Calibration ID (e.g., 8865F4204006)
5
This SB Number
3
Dealer Code
© 2021 Toyota Motor Sales, USA
T-SB-0057-21
July 26, 2021
Page 5 of 5
MIL ON With DTC P0CDF72
Repair Procedure (continued)
Flash reprogram the Amplifier Assy, Air Conditioner.
NOTE
The battery diagnostic tool MUST be used in Power Supply mode to maintain battery voltage at
13.0 – 13.5V while flash reprogramming the vehicle.
For details on how to use the battery diagnostic tool, refer to the DCA-8000 Instruction Manual
located at TIS – Diagnostics – Tools & Equipment – Battery Diagnostics.
Follow the procedures outlined in T-SB-0134-16 Techstream ECU Flash Reprogramming
Procedure and flash the Amplifier Assy, Air Conditioner with the NEW calibration file update.
NOTE
Techstream will show two calibration IDs to be updated. The calibration ID 886AF4201002 will NOT
change. Ensure the other calibration ID has updated to 8865F4204006. Refer to the Calibration
Information section.
Prepare and install the Authorized Modifications Label.
A. Using a permanent marker, enter the following information on the label:
Amplifier Assy, Air Conditioner part number [Refer to the Parts Information section
for the NEW PART NUMBER].
Calibration ID(s) [Refer to the Calibration Information section for the NEW
CALIBRATION ID].
Dealer Code.
Repair Date.
Change Authority [This bulletin 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.
5. Test-drive the vehicle to confirm normal vehicle operation and the condition is no
longer present.
© 2021 Toyota Motor Sales, USA
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