T-SB-0078-21 Rev
Service Bulletin Details
Public Details for: T-SB-0078-21 Rev
Tsb: some 2021 ? 2022 model year corolla and corolla hatchback and 2021 model year rav4 vehicles may exhibit a parking brake malfunction warning message on the multi-information display (mid) with diagnostic trouble code (dtc) C059746 (brak
Models from 2022
2022 TOYOTA COROLLA |
2022 TOYOTA COROLLA CROSS |
T-SB-0078-21 Rev2 September 2, 2021 Parking Brake Warning Light On With DTC C059746 Service Category Brake Market USA and Section Mexico Parking Brake Applicability YEAR(S) MODEL(S) 2021 - 2022 Corolla, Corolla Hatchback 2021 RAV4 ADDITIONAL INFORMATION REVISION NOTICE March 31, 2023 Rev2: Applicability has been updated to exclude 2020 and 2022 model year RAV4 vehicles and 2020 model year Corolla and Corolla Hatchback vehicles. The Market Indicator has been updated to include the Mexico market. The Introduction, Warranty, and Repair Procedure sections have been updated. December 13, 2021 Rev1: Applicability has been updated to include 2022 model year Corolla, Corolla Hatchback, and RAV4 vehicles. Any previous printed versions of this bulletin should be discarded. SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0021-22. Applicability has been updated to exclude 2020 model year Corolla, Corolla Hatchback, and RAV4 vehicles and include 2022 model year Corolla and Corolla Hatchback vehicles. The Market Indicator has been updated to include the USA market. The Introduction, Warranty, and Repair Procedure sections have been updated. Service Bulletin No. T-SB-0021-22 is obsolete and any printed versions should be discarded. © 2021 Toyota Motor Sales, USA Page 1 of 9 T-SB-0078-21 Rev2 September 2, 2021 Page 2 of 9 Parking Brake Warning Light On With DTC C059746 Introduction Some 2021 – 2022 model year Corolla and Corolla Hatchback and 2021 model year RAV4 vehicles may exhibit a Parking Brake Malfunction warning message on the Multi-information Display (MID) with Diagnostic Trouble Code (DTC) C059746 (Brake System Control Module “A” Calibration / Parameter Memory Failure) present. This bulletin addresses DTC C059746 only, it may appear before or after completing the Repair Procedure in this bulletin. No other condition or DTC should be present. If there are additional DTCs, continue diagnosis using applicable Repair Manual before completing the Repair Procedure outlined in this service bulletin. Follow the Repair Procedure in this bulletin to address this condition. Figure 1. Parking Brake Malfunction Warning Message © 2021 Toyota Motor Sales, USA T-SB-0078-21 Rev2 September 2, 2021 Page 3 of 9 Parking Brake Warning Light On With DTC C059746 Table of Contents Warranty Information ...............................................................................................................4 For USA Market .................................................................................................................4 For Mexico Market .............................................................................................................4 Parts Information .....................................................................................................................5 For USA Market .................................................................................................................5 For Mexico Market .............................................................................................................5 Required Tools & Equipment ...................................................................................................6 Calibration Information.............................................................................................................7 Repair Procedure ....................................................................................................................7 © 2021 Toyota Motor Sales, USA T-SB-0078-21 Rev2 September 2, 2021 Page 4 of 9 Parking Brake Warning Light On With DTC C059746 Warranty Information For USA Market OP CODE DESCRIPTION TIME OFP T1 T2 BR1928 Reprogram the Skid Control Computer 0.8 44050-#####* 8C 99 *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 (USA) 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. This service bulletin outlines ALL steps necessary to prevent unwarranted reprogramming. Toyota will NOT provide reimbursement coverage for reprogramming failures if the Repair Procedure in this service bulletin is not followed. For Mexico Market OP CODE DESCRIPTION TIME OFP T1 T2 BR1928 Reprogram the Skid Control Computer 0.8 44050-#####* 8C 99 *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 (MEXICO) This repair is covered under the Toyota Basic Warranty. This warranty is in effect for 36 months or 60,000 kilometers, whichever occurs first, from the vehicle’s in-service date. Warranty application is limited to occurrence of the specified condition described in this bulletin. This service bulletin outlines ALL steps necessary to prevent unwarranted reprogramming. Toyota will NOT provide reimbursement coverage for reprogramming failures if the Repair Procedure this service bulletin is not followed. © 2021 Toyota Motor Sales, USA T-SB-0078-21 Rev2 September 2, 2021 Page 5 of 9 Parking Brake Warning Light On With DTC C059746 Parts Information For USA Market MODEL PART NUMBER PART NAME QTY Skid Control Computer – Authorized Modifications Label 1 89541-12C10 Corolla 89541-02560 Corolla Hatchback 89541-12F30 89541-42781 89541-42771 RAV4 89541-0R140 89541-0R130 All 00451-00001-LBL NOTE The skid control computer 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) (portal.toyotamdc.com) under item No. 0045100001LBL. For Mexico Market MODEL PART NUMBER PART NAME QTY Skid Control Computer – Authorized Modifications Label 1 89541-12C10 Corolla 89541-02560 Corolla Hatchback 89541-12F30 89541-42781 89541-42771 RAV4 89541-0R140 89541-0R130 All 00451-00002-MEX NOTE The skid control computer 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) (portal.toyotamdc.com) under item No. 00451-00002-MEX. © 2021 Toyota Motor Sales, USA T-SB-0078-21 Rev2 September 2, 2021 Page 6 of 9 Parking Brake Warning Light On With DTC C059746 Required Tools & Equipment REQUIRED EQUIPMENT SUPPLIER Techstream ADVI* PART NUMBER 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 2022.04.004.02 or later is required. Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE) at 1-800-368-6787 (USA) or 01-55-50103041 (Mexico). Use Techstream or an approved J2534 interface to perform flash reprogramming updates. Visit techinfo.toyota.com for more information regarding J2534 reprogramming. 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 (USA) or 01-800-504-5330 (Mexico). © 2021 Toyota Motor Sales, USA T-SB-0078-21 Rev2 September 2, 2021 Page 7 of 9 Parking Brake Warning Light On With DTC C059746 Calibration Information CALIBRATION ID MODEL ECU PREVIOUS NEW F152642711 F15264271300 F152642701 F15264270300 F15260R300 F15260R30200 F15260R290 F15260R29200 F152602280 F15260228100 F152612B90 F152612B9100 F152612B61 F152612B6200 RAV4 Skid Control Computer Corolla Corolla Hatchback Repair Procedure 1. Confirm the condition exists. Does the vehicle exhibit a Parking Brake Malfunction warning message on the MID with DTC C059746 present? YES — Continue to step 2. NO — This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual. 2. Does the vehicle exhibit ANY other DTC(s) present? YES — This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual. NO — Continue to step 3. © 2021 Toyota Motor Sales, USA T-SB-0078-21 Rev2 September 2, 2021 Page 8 of 9 Parking Brake Warning Light On With DTC C059746 Repair Procedure (continued) 3. Use Techstream to confirm if the skid control computer calibration has been updated and check for the Authorized Modifications Label affixed to the vehicle in the location shown below. Is the calibration ID listed in Techstream and on the label the latest skid control computer calibration? YES — This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual. NO — Continue to step 4. Figure 2. Location of Authorized Modifications Label on 2021 – 2022 Model Year Corolla and Corolla Hatchback, and 2021 Model Year RAV4 Vehicles 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 Skid Control Computer Part Number e.g., 89541-12C10 4 Date Completed 2 New Calibration ID e.g., F15264271300 5 This SB Number 3 Dealer Code © 2021 Toyota Motor Sales, USA T-SB-0078-21 Rev2 September 2, 2021 Page 9 of 9 Parking Brake Warning Light On With DTC C059746 Repair Procedure (continued) 4. Flash reprogram the skid control computer. 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-0134-16 (USA) or T-SB-0165-19 (Mexico), Techstream ECU Flash Reprogramming Procedure, and flash the skid control computer with the NEW calibration file update. 5. Prepare and install the Authorized Modifications Label. A. Using a permanent marker, enter the following information on the label: Skid control computer 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. Install the Authorized Modifications Label onto the vehicle at the location shown in Figure 2. The Authorized Modifications Label is available through the MDC, P/N 00451-00001-LBL (USA) or 00451-00002-MEX (Mexico). 6. Test-drive the vehicle to confirm proper operation. © 2021 Toyota Motor Sales, USA