L-SB-0068-23
Service Bulletin Details
Public Details for: L-SB-0068-23
Tsb: some 2024 model year tx 350 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). The engine control module (ecm
- 2024 -
Models from 2024
2024 LEXUS TX |
L-SB-0068-23 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 TX350 VDS(s): AAAA6, AAAB6 Engine(s): T24 Introduction Some 2024 model year TX 350 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). 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 VIN shown below. MODEL PLANT TX 350 TMMI DRIVETRAIN FWD AWD ENGINE PRODUCTION CHANGE EFFECTIVE VIN T24A-FTS © 2023 Lexus, a division of Toyota Motor Sales, USA TBD TBD Page 1 of 4 L-SB-0068-23 December 20, 2023 Page 2 of 4 MIL ON With DTC P05CE00 Warranty Information OP CODE DESCRIPTION TIME OFP T1 T2 800269 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 Lexus 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. © 2023 Lexus, a division of Toyota Motor Sales, USA L-SB-0068-23 December 20, 2023 Page 3 of 4 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 8A2220E19000 FWD 2024 TX 350 8A2220E19200 8A2220E19100 T24A-FTS (Conv.) 8A2220E18000 4WD 8A2220E18200 8A2220E18100 © 2023 Lexus, a division of Toyota Motor Sales, USA L-SB-0068-23 December 20, 2023 Page 4 of 4 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 L-SB-0036-22 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 TX 350: 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” © 2023 Lexus, a division of Toyota Motor Sales, USA