T-SB-0103-23

T-SB-0103-23
Rev1
December 20, 2023
MIL ON With DTC P05CE00
Service
Category
Vehicle Interior
Section
Meter/Gauge/Display
Market USA
Applicability
YEAR(S)
MODEL(S)
ADDITIONAL INFORMATION
2024
Grand Highlander
VDS(s): AAAA5, AAAB5
Engine(s): T24
REVISION NOTICE
January 10, 2024 Rev1:
 The Production Change Information section has been updated.
Any previous printed versions of this bulletin should be discarded.
Introduction
Some 2024 model year Grand Highlander vehicles equipped with a T24A-FTS engine may exhibit
a MIL ON condition with Diagnostic Trouble Code (DTC) P05CE00 (Cold Start “B” Camshaft
Position Timing Performance Bank 1) present. The Engine Control Module (ECM) (SAE term:
Powertrain Control Module/PCM) 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
Grand Highlander
TMMI
DRIVETRAIN
FWD
AWD
ENGINE
T24A-FTS
© 2024 Toyota Motor Sales, USA
PRODUCTION CHANGE EFFECTIVE VIN
5TDAAAA5#RS009619
5TDAAAB5#RS034424
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MIL ON With DTC P05CE00
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
EL2323
Reprogram the ECM (PCM)
0.7
89661-0EL##*
8A
74
*Warranty claim MUST be submitted with the correct 10-digit OFP. Choose the correct OFP for the vehicle being
repaired by searching for the parts in the Electronic Parts Catalog using the VIN filter.
APPLICABLE WARRANTY
 This repair is covered under the Toyota Federal Emissions 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
PART NUMBER
PART NAME
QTY
89661-0EL##
Computer, Engine Control
1
NOTE
The ECM (PCM) should NOT be replaced as part of the Repair Procedure.
© 2024 Toyota Motor Sales, USA
T-SB-0103-23
Rev1
December 20, 2023
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MIL ON With DTC P05CE00
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
PART NUMBER
Techstream ADVI*
QTY
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.
 GTS+ software version 2023.04.003.02 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 YEAR
MODEL
ENGINE
DRIVE TYPE
PREVIOUS
NEW
8A2220E17000
FWD
2024
Grand Highlander
8A2220E17100
8A2220E17300
8A2220E17200
T24A-FTS
(Conv.)
8A2220E16000
4WD
8A2220E16100
8A2220E16200
© 2024 Toyota Motor Sales, USA
8A2220E16300
T-SB-0103-23
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MIL ON With DTC P05CE00
Repair Procedure
1. Confirm the condition exists.
Does the vehicle exhibit a MIL ON DTC P05CE00 (Cold Start “B” Camshaft Position timing
Performance Bank 1) present?

YES — Continue to step 2.

NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
2. Use GTS+ to confirm if the ECM (PCM) calibration has been updated.
Is the calibration ID listed in GTS+ the latest ECM (PCM) calibration?

YES — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.

NO — Continue to step 3.
3. Flash reprogram the ECM (PCM).
NOTE
 The battery diagnostic tool MUST be used in Power Supply Mode to maintain battery voltage
at 13.5V while flash reprogramming the vehicle.
 For details on how to use the battery diagnostic station, refer to the DCA-8000 Instruction Manual
located at TIS – Diagnostics – Tools & Equipment – Battery Diagnostics.
Follow the procedures outlined in T-SB-0107-20 GTS+ ECU Flash Reprogramming With
Security Signature, and flash the ECM (PCM) with the NEW calibration file update.
4. Using GTS+, clear ANY DTCs and test-drive the vehicle in accordance with the driving pattern
described in the confirmation driving pattern to confirm the condition is no longer present.
Refer to TIS, applicable model and model year Repair Manual:

2024 Grand Highlander:
Engine/Hybrid System – Engine Control – “T24A-FTS (Engine Control): SFI System
(for Gasoline Model): P001400,P001500,P05CE00; Camshaft Position “B” – Timing
Over-Advanced or System Performance Bank 1”
© 2024 Toyota Motor Sales, USA