Mil On DTC P261093 (L-SB-0050-18)
Publication date: 2018-12-14Reference number: L-SB-0050-18
MIL ON DTC P261093
TECHNICAL SERVICE BULLETIN
Reference Number(s): L-SB-0050-18, Date of Issue:
December 14, 2018
| LEXUS: | 2016-2018 GS200T, GS300, GS350, RC300; 2016-2017 IS200T, IS300, RC200T, RX350; 2018 IS300, IS350, RC350 |
| SERVICE CATEGORY: | Engine/Hybrid System |
| SECTION: | Engine Control |
| MARKET: | USA |
| COPYRIGHT: | © 2018 Lexus, a division of Toyota Motor Sales, USA License Agreement TMS1002 |
APPLICABILITY
APPLICABILITY
| YEAR(S) | MODEL(S) | ADDITIONAL INFORMATION |
|---|---|---|
| 2016 - 2018 | GS200T, GS300, GS350, RC300 | |
| 2016 - 2017 | IS200T, IS300, RC200T, RX350 | |
| 2018 | IS300, IS350, RC350 |
INTRODUCTION
NOTE:
Some 2016 - 2017 model year IS200t, IS300, RC200t, and RX350, 2016 - 2018 model year GS200t, GS300, GS350, and RC300, and 2018 model year IS300, IS350, and RC350 vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P261093 (ECM/PCM Engine Off Timer Performance No Operation) 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.
WARRANTY INFORMATION
WARRANTY INFORMATION
| OP CODE | DESCRIPTION | TIME | MODEL | YEAR | ENGINE | DRIVETRAIN | OFP | T1 | T2 |
|---|---|---|---|---|---|---|---|---|---|
| EG1821 | Reprogram ECM (PCM) | 0.4 | IS350, IS300, IS200t | 2016 | 8AR-FTS | 2WD | 89661-53S60 89661-53S61 89661-53S62 89661-53S63 89661-53S64 |
8A | 99 |
| 2017 | 89661-53U00 89661-53U01 89661-53U02 |
||||||||
| 2018 | 2GR-FKS | 89661-53V00-B | |||||||
| 4WD | 89661-53V10-B | ||||||||
| 89661-53V20-B | |||||||||
| GS350, GS200t | 2016 - 2017 | 2GR-FKS | 2WD | 89661-3AB10 89661-3AB11 |
|||||
| 4WD | 89661-3AB20 89661-3AB21 |
||||||||
| 2016 | 8AR-FTS | 2WD | 89661-30Z90 89661-30Z91 89661-30Z92 89661-30Z93 89661-30Z94 |
||||||
| 2017 | 89661-3AE30 89661-3AE31 |
||||||||
| 2018 | 2GR-FKS | 89661-3AG20 | |||||||
| 4WD | 89661-3AG30 | ||||||||
| 8AR-FTS | 2WD | 89661-3AE30 89661-3AE31 |
|||||||
| RC350, RC300, RC200t | 2016 | 89661-24A70 89661-24A71 89661-24A72 89661-24A73 |
|||||||
| 2017 | 89661-24B40 89661-24B41 89661-24B42 |
||||||||
| 2018 | 2GR-FKS | 89661-24C60-B | |||||||
| 4WD | 89661-24C70-B | ||||||||
| 89661-24C80-B | |||||||||
| RX350 | 2016 - 2017 (2T2) | 2GR-FKS | 2WD Non-F Sport | 89661-0E760 89661-0E761 89661-0E762 |
|||||
| 2WD F Sport | 89661-0EA40 89661-0EA41 |
||||||||
| 4WD Non-F Sport | 89661-0E810 89661-0E811 89661-0E812 |
||||||||
| 4WD F Sport | 89661-0E770 89661-0E771 89661-0E772 |
||||||||
| 2016 (JTJ) | 4WD Non-F Sport | 89661-48N70 89661-48N71 89661-48N72 |
APPLICABLE WARRANTY
- This repair is covered under the Lexus Federal 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
PARTS INFORMATION
| MODEL | YEAR | ENGINE | DRIVETRAIN | PART NUMBER | PART NAME | QTY | |
|---|---|---|---|---|---|---|---|
| PREVIOUS | NEW | ||||||
| IS350, IS300, IS200t | 2016 | 8AR-FTS | 2WD | 89661-53S60 89661-53S61 89661-53S62 89661-53S63 89661-53S64 |
89661-53S65 | Computer, Engine Control (ECM/PCM) | - |
| 2017 | 89661-53U00 89661-53U01 89661-53U02 |
89661-53U03 | |||||
| 2018 | 2GR-FKS | 89661-53V00-B | 89661-53V01 | ||||
| 4WD | 89661-53V10-B | 89661-53V11 | |||||
| 89661-53V20-B | 89661-53V21 | ||||||
| GS350, GS200t | 2016 - 2017 | 2GR-FKS | 2WD | 89661-3AB10 89661-3AB11 |
89661-3AB12 | ||
| 4WD | 89661-3AB20 89661-3AB21 |
89661-3AB22 | |||||
| 2016 | 8AR-FTS | 2WD | 89661-30Z90 89661-30Z91 89661-30Z92 89661-30Z93 89661-30Z94 |
89661-30Z95 | |||
| 2017 | 89661-3AE30 89661-3AE31 |
89661-3AE32 | |||||
| 2018 | 2GR-FKS | 89661-3AG20 | 89661-3AG21 | ||||
| 4WD | 89661-3AG30 | 89661-3AG31 | |||||
| 8AR-FTS | 2WD | 89661-3AE30 89661-3AE31 |
89661-3AE32 | ||||
| RC350, RC300, RC200t | 2016 | 89661-24A70 89661-24A71 89661-24A72 89661-24A73 |
89661-24A74 | ||||
| 2017 | 89661-24B40 89661-24B41 89661-24B42 |
89661-24B43 | |||||
| 2018 | 2GR-FKS | 89661-24C60-B | 89661-24C61 | ||||
| 4WD | 89661-24C70-B | 89661-24C71 | |||||
| 89661-24C80-B | 89661-24C81 | ||||||
| RX350 | 2016 - 2017 (2T2) | 2GR-FKS | 2WD Non-F Sport | 89661-0E760 89661-0E761 89661-0E762 |
89661-0E763 | ||
| 2WD F Sport | 89661-0EA40 89661-0EA41 |
89661-0EA42 | |||||
| 4WD Non-F Sport | 89661-0E810 89661-0E811 89661-0E812 |
89661-0E813 | |||||
| 4WD F Sport | 89661-0E770 89661-0E771 89661-0E772 |
89661-0E773 | |||||
| 2016 (JTJ) | 4WD Non-F Sport | 89661-48N70 89661-48N71 89661-48N72 |
89661-48N73 | ||||
| - | 00451-00001-LBL | Authorized Modifications Labels | 1 | ||||
NOTE:
- The ECM (PCM) 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.
REQUIRED TOOLS & EQUIPMENT
REQUIRED TOOLS & EQUIPMENT
| REQUIRED EQUIPMENT | SUPPLIER | PART NUMBER | QTY | ||
|---|---|---|---|---|---|
| Techstream 2.0(1) | ADE | TS2UNIT | 1 | ||
| Techstream Lite | TSLITEPDLR01 | ||||
| Techstream Lite (Green Cable) | TSLP2DLR01 | ||||
|
|||||
NOTE:
- Only ONE of the Techstream units listed above is required.
- Software version 13.30.018 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.
PARTS INFORMATION
| SPECIAL SERVICE TOOLS (SST) | PART NUMBER | QTY | ||
|---|---|---|---|---|
| GR8 Battery Diagnostic Station(1) | 00002-MCGR8 | 1 | ||
|
||||
NOTE:
Additional SSTs may be ordered by calling 1-800-933-8335.
CALIBRATION INFORMATION
CALIBRATION INFORMATION
| MODEL | YEAR | ENGINE | DRIVETRAIN | ECU TYPE | CALIBRATION ID | |
|---|---|---|---|---|---|---|
| PREVIOUS | NEW | |||||
| IS350, IS300, IS200t | 2016 | 8AR-FTS | 2WD | Main | 8966353N8200 8966353N8300 8966353N8400 8966353N8500 8966353N8600 |
8966353N8700 |
| Sub | 896655348200 896655348300 |
896655348400 | ||||
| 2017 | Main | 8966353Q2000 8966353Q2100 8966353Q2200 |
8966353Q2300 | |||
| 2018 | 2GR-FKS | 8966353R0000 | 8966353R0100 | |||
| 4WD | 8966353R1000 | 8966353R1100 | ||||
| 8966353R2000 | 8966353R2100 | |||||
| GS350, GS200t | 2016 - 2017 | 2GR-FKS | 2WD | Main | 8966330Z2000 8966330Z2100 |
8966330Z2200 |
| Sub | 8966530L5000 | 8966530L5100 | ||||
| 4WD | Main | 8966330Z3000 8966330Z3100 |
8966330Z3200 | |||
| Sub | 8966530L6000 | 8966530L6100 | ||||
| 2016 | 8AR-FTS | 2WD | Main | 8966330Y0000 8966330Y0100 8966330Y0200 8966330Y0300 8966330Y0400 |
8966330Y0500 | |
| Sub | 8966530J3000 8966530J3100 |
8966530J3200 | ||||
| 2017 | Main | 896633A20000 896633A20100 |
896633A20200 | |||
| 2018 | 2GR-FKS | 896633A42000 | 896633A42100 | |||
| 4WD | 896633A43000 | 896633A43100 | ||||
| 8AR-FTS | 2WD | 896633A20000 896633A20100 |
896633A20200 | |||
| RC350, RC300, RC200t | 2016 | 896632436200 896632436300 896632436400 896632436500 |
896632436600 | |||
| Sub | 896652423000 896652423100 896652423200 |
896652423300 | ||||
| 2017 | Main | 896632443000 896632443100 896632443200 |
896632443300 | |||
| 2018 | 2GR-FKS | 896632455000 | 896632455100 | |||
| 4WD | 896632456000 | 896632456100 | ||||
| 896632457000 | 896632457100 | |||||
| RX350 | 2016 - 2017 (2T2) | 2GR-FKS | 2WD Non-F Sport | Main | 896630E36100 896630E36200 896630E36300 |
896630E36400 |
| 2WD F Sport | 896630E54000 896630E54100 |
896630E54200 | ||||
| 4WD Non-F Sport | 896630E41000 896630E41100 896630E41200 |
896630E41300 | ||||
| 4WD F Sport | 896630E37100 896630E37200 896630E37300 |
896630E37400 | ||||
| 2016 (JTJ) | 4WD Non-F Sport | 896630E41000 896630E41100 896630E41200 |
896630E41300 | |||
REPAIR PROCEDURE
- Using Techstream, check for the following stored DTC.
P261093 - ECM/PCM Engine Off Timer Performance No Operation
Is the DTC present?
- YES - Continue to step 2.
- NO - This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
- Check for the Authorized Modifications Label affixed to the vehicle in the locations shown below. Confirm if the ECM (PCM) calibration has been updated.
Is the calibration ID listed the latest ECM (PCM) calibration?
- YES - This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
- NO - Continue to step 3.
- Flash reprogram the ECM (PCM).NOTE:
- The GR8 battery diagnostic station 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 GR8 battery diagnostic station, refer to the GR8 Instruction Manual located on TIS - Diagnostics - Tools & Equipment - Battery Diagnostics.
Follow the procedures outlined in Service Bulletin L-SB-0001-18, Techstream ECU Flash Reprogramming Procedure, and flash the ECM (PCM) with the NEW calibration file update.
- Prepare and install the Authorized Modifications Label.
- Using a permanent marker, enter the following information on the label.
- ECM (PCM) 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]
- Install the Authorized Modifications Label to the vehicle at the location shown in Figures 1 - 3. The Authorized Modifications Label is available through the MDC, P/N 00451-00001-LBL.
- Using a permanent marker, enter the following information on the label.
- Test-drive the vehicle to confirm proper operation.