Toyota 4RUNNER 2001–2016 — technical service bulletin

Bulletin T-SB-0012-13 REV · NHTSA communication 10096036 · issued Jan 15, 2015

Technical service bulletin

communication type

Electrical System

component

2001–2016

model years

vehicle entries

Official summary

"tsb: flash reprogramming allows the ecu software to be updated without replacing the ecu. Flash calibration updates for specific vehicle models/ecus are released as field-fix procedures described in individual service bulletins. This bulletin details the techstream ecu flash reprogramming process and outlines use of the technical information system (tis) and the calibration update wizard (cuw). Flash calibration updates can only be applied to the vehicle/ecu combination for which they are intended. Ecus have internal security that will not allow them to be programmed with another ecu s inform

Vehicles covered

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.