T-SB-0028-21
Service Bulletin Details
Public Details for: T-SB-0028-21
Models from 2014
2014 TOYOTA PRIUS C |
Models from 2013
2013 TOYOTA PRIUS C |
Models from 2012
2012 TOYOTA PRIUS C |
T-SB-0028-21 May 11, 2021 ABS Brake Warning Light On Service Category Brake Section Brake Control/Dynamic Control System Market USA Applicability YEAR(S) MODEL(S) 2012 - 2014 Prius C ADDITIONAL INFORMATION Introduction Some 2012 – 2014 model year Prius C hybrid vehicles may exhibit a condition in which the brake, ABS, and/or TRAC warning lights are on and/or a Check VSC message displays. Diagnostic Trouble Codes (DTCs) C1391, C1252, C1256, and/or C1253 may also be stored. This condition may be caused by a small internal brake fluid leak inside the brake booster assembly with master cylinder. Follow the Repair Procedure in this bulletin to address this condition. Warranty Information MODEL YEAR 2012 – 2014 MODEL Prius C OP CODE DESCRIPTION TIME OFP T1 T2 BR1922 R & R Brake Booster Assembly With Master Cylinder and Brake Booster Pump Assembly 2.3 47050-#####* 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 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. © 2021 Toyota Motor Sales, USA Page 1 of 3 T-SB-0028-21 May 11, 2021 Page 2 of 3 ABS Brake Warning Light On Parts Information PART NUMBER MODEL YEAR MODEL 2012 – 2013 PART NAME PREVIOUS NEW 47050-52020 04000-23152 47050-52040 04000-23252 47050-52220 04000-23352 47050-52240 04000-23452 47070-52020 04006-74152 QTY Cylinder Kit, Brake Master W/Fluid Prius C 2013 – 2014 2012 – 2014 1 Pump Assy Kit, Brake Booster 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. Software version 16.00.021 or later is required. Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE) at 1-800-368-6787. © 2021 Toyota Motor Sales, USA T-SB-0028-21 May 11, 2021 Page 3 of 3 ABS Brake Warning Light On Repair Procedure 1. Confirm the condition exists. Are the brake, ABS, and/or TRAC warning lights on and/or does a Check VSC message display? YES — Continue to step 2. NO — This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual. 2. Using Techstream, check for and record ANY stored DTCs. Are ANY of the following DTCs stored: C1391, C1252, C1256, or C1253? YES — Continue to step 3. NO — This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual. 3. Remove the brake booster assembly with master cylinder. Refer to TIS, applicable model and model year Repair Manual: 2012 / 2013 / 2014 Prius C: Brake – Brake System – “Brake System (Other): Brake Booster: Removal” 4. Remove the brake booster pump assembly. Refer to TIS, applicable model and model year Repair Manual: 2012 / 2013 / 2014 Prius C: Brake – Brake System – “Brake System (Other): Brake Booster Pump: Removal” 5. Install the NEW brake booster assembly with master cylinder. Refer to TIS, applicable model and model year Repair Manual: 2012 / 2013 / 2014 Prius C: Brake – Brake System – “Brake System (Other): Brake Booster: Installation” 6. Install the NEW brake booster pump assembly. Refer to TIS, applicable model and model year Repair Manual: 2012 / 2013 / 2014 Prius C: Brake – Brake System – “Brake System (Other): Brake Booster Pump: Installation” 7. Using Techstream, clear ANY stored DTCs and test-drive the vehicle to confirm the condition is no longer present. © 2021 Toyota Motor Sales, USA