T-SB-0044-14
Service Bulletin Details
Public Details for: T-SB-0044-14
Summary to be provided on a future date.
Models from 2014
2014 TOYOTA TACOMA |
Models from 2013
2013 TOYOTA TACOMA |
Models from 2012
2012 TOYOTA TACOMA |
®TOYOTA T-SB-0044-14 Technical Service Bulletin July 7, 2014 Spark Knock Noise Service Category Engine/Hybrid System Section Engine Control Market Toyota Supports ~ ASE Certification . . USA Applicability YEAR(S) MODEL(S) 2012 - 2014 Tacoma ADDITIONAL INFORMATION Introduction Some 2012 - 2014 model year Tacoma vehicles equipped with 1GR-FE engines may exhibit spark knock (detonation) during light acceleration and/or uphill in hot weather (80° F or higher) . The Engine Control module/ECM (SAE term : Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition occurring. Follow the Repair Procedure in this bulletin to improve this condition . Warranty Information OP CODE EG1404 DESCRIPTION Reprogram ECM (PCM) TIME OFP T1 T2 0.4 89660-04E40 89660-04JOO 89660-04J10 89661-04G60 89661-04G70 89661-04G80 06 99 APPLICABLE WARRANTY • This repair is covered under the Toyota Federal Emission 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. © 2014 Toyota Motor Sales, USA Page 1 of 5 @TOYOTA T-SB-0044-14 July 7, 2014 Page 2 of 5 Spark Knock Noise Calibration Information CALIBRATION ID MODEL MY DRIVETRAIN ENGINE TRANSMISSION 4WD / 2WD PreRunner 2012 SAT 2WD PREVIOUS NEW 304SSOOO 304SS100 30467000 30467100 30468000 30468100 30480000 30480100 30481000 30481100 30482000 30482100 6MT Tacoma 4WD 1GR-FE 4WD / 2WD PreRunner 2013-2014 SAT 2WD 6MT 4WD Parts Information MY DRIVETRAIN ENGINE PART NUMBER TRANSMISSION PREVIOUS NEW SAT 89661-04EOO 89661 -04E01 89661-04F40 89661-04F41 89661-04FSO 89661-04FS1 PART NAME QTY - 4WO ,____ 2WD PreRunner 2012 ,____ 2WD 4WD 4WD 2013-2014 2WD PreRunner 2WD 4WD 6MT 18R-FE 89661-04860 SAT 6MT 89661-04860 - ,____ Computer, Engine Control (ECM/PCM) 89660-04E41 89661-04870 89660-04J01 89661-04880 89660-04J 11 QTY 004S1-00001-LBL Authorized Modification Labels 1 • Authorized Modification Labels may be ordered in packages of 25 from the Materials Distribution Center (MDC) through Dealer Daily- Dealer Support Materials Orders. © 2014 Toyota Motor Sales, USA - - PART NAME • The ECM (PCM) should NOT be replaced as part of the repair procedure. - -- PART NUMBER NOTE - @TOYOTA Page 3 of 5 July 7, 2014 T-SB-0044-14 Spark Knock Noise Required Tools & Equipment REQUIRED EQUIPMENT SUPPLIER Techstream 2.0* TIS Techstream PART NUMBER QTY TS2UNIT ADE 1 TSPKG1 TSLITEDLR0 1 Techstream Lite SPECIAL SERVICE TOOLS (SST) PART NUMBER QTY GR8 Battery Diagnostic Station* 00002-MCGRS 1 NOTE • Only ONE of the Techstream units listed above is required. • Software version 9.10.037 or later is required. • Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE) at 1-800-368-6787. • Additional SSTs may be ordered by calling 1-800-933-8335. • The Diagnostic Tester is NOT recommended for flash reprogramming. Please use Techstream or an approved J2534 interface to perform flash reprogramming updates. Visit techinfo.toyota.com for more information regarding J2534 reprogramming. * Essential SST. © 2014 Toyota Motor Sales , USA @TOYOTA T-SB-0044-14 July 7, 2014 Page 4 of 5 Spark Knock Noise Repair Procedure 1. Confirm the condition . Does the condition duplicate after driving under light acceleration or uph ill with the engine warmed up to operating temperature? • 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 in Figure 1. Confirm if the ECM (PCM) calibration has been updated. If the calibration ID listed is NOT the latest ECM (PCM) calibration - go to step 3. If the calibration ID is the latest, go to step 5. Figure 1. Location of Authorized Modifications Label on 201 2 - 2014 Tacoma THESE MODIFICATIONS HAVE BEEN APPROVED AS APPROPRIATE BY EPA AND GARB 3 }---l~ DEALER CODE : DATE: CHANGE AUTHORITY: 1 Replacement ECM (PCM) Part Number (i.e., 89660-04E41) 2 New Calibration ID(s) (i.e., 30480100) 3 Dealer Code 4 Date Completed 5 This SB Number © 2014 Toyota Motor Sales, USA @TOYOTA July 7, 2014 T-SB-0044-14 Page 5 of 5 Spark Knock Noise Repair Procedure (Continued) 3. Flash reprogram the ECM (PCM) . NOTE • The GR8 Battery Diagnostic Station MUST be used in Power Supply Mode to maintain battery voltage at 13.5 volts while flash reprogramming the vehicle . • For details on how to use the GR8 Battery Diagnostic Station , refer to the GR8 Instruction Manual located on the Technical Information System (TIS), Diagnostics - Tools & Equipment - Battery Diagnostics. Follow the procedures outlined in Service Bulletin No. T-SB-001 2- 13, "Techstream ECU Flash Reprogramming Procedure," and flash the ECM (PCM) with the NEW calibration file update. 4. Install the Authorized Modifications Label. A Using a permanent marker, enter the following information on the label: • ECM 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 to confirm the repair. © 2014 Toyota Motor Sales, USA