Reprogram Toyota Flash

July 3, 2023
Some 2017 Toyota Highlander and Sienna vehicles may exhibit a MIL on with DTC P211904 (throttle actuator A control throttle body range/performance system internal failure).

Some 2017 Toyota Highlander and Sienna vehicles may exhibit a MIL on with DTC P211904 (throttle actuator A control throttle body range/performance system internal failure).

PCM logic has been modified to reduce the possibility of this condition. Reprogram the PCM using software version 15.30.027 or later. Use Techstream or an approved J2534 interface to perform flash reprogramming updates. The battery diagnostic tool must be used in Power Supply Mode to maintain battery voltage at 13.5V while reprogramming.

About the Author

Information courtesy of Mitchell 1

Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.

Sponsored Recommendations

Tesla service, repair, and diagnostics

Keep update-to-date on how to maintain your customer's Tesla vehicles.

Tool Review: Ascot Supply 3/4" Drive 600 ft-lbs Split Beam Torque Wrench, No. 168-00600

Reviewed by Eric Moore, manager at DeMary Truck in Columbus, Ohio.

Diagnosing an engine misfire

Recognizing a misfire is the easy part; the challenge is determining its cause.

The ‘Iron Giant’

This technician spent two and half years putting together his ‘giant’ of a toolbox setup.

Voice Your Opinion!

To join the conversation, and become an exclusive member of Vehicle Service Pros, create an account today!