This document is a Technical Service Bulletin (TSB) issued by Toyota, dated October 31, 2013. It addresses a specific concern identified in certain 2010 Toyota Tacoma vehicles equipped with the 2TR-FE engine.
Issue Description
Vehicles may exhibit a rattle noise originating from the front exhaust pipe catalyst, often accompanied by the Malfunction Indicator Lamp (MIL) being illuminated with Diagnostic Trouble Code (DTC) P0420 (Catalyst System Efficiency Below Threshold) stored in the Engine Control Module (ECM).
Applicability
This bulletin applies to 2010 Toyota Tacoma models. Specific Vehicle Description Series (VDS) include NX4CN, NX4GN, PX4EN, TX4CN, TX4GN, and UX4EN.
Repair Procedure Overview
The recommended repair involves replacing the front exhaust pipe assembly. The bulletin outlines a step-by-step procedure, including verification of the noise, inspection, and replacement of parts such as the catalytic converter and gaskets. It also references the Technical Information System (TIS) for detailed removal and installation instructions.
Warranty Information
This repair is covered under the Toyota Federal Emission Warranty, valid for 96 months or 80,000 miles, whichever occurs first, from the vehicle's in-service date.
Parts Involved
- Pipe Assembly, Exhaust, Front (Part Number: 17410-0C100)
- Gasket (Part Number: 17451-0D020)
Tools & Equipment
Specific diagnostic tools like Toyota's Techstream (versions 2.0, TIS, or Lite) with software version 8.30.023 or later are recommended for diagnosis and repair.
