Highlander Change Necessary
Some 2011-2015 Toyota Highlander HV vehicles may exhibit a malfunction indicator light (MIL) on with Diagnostic Trouble Code (DTC) P2111 (throttle actuator control system stuck open) and/or P0A0F (engine failed to start) after a cold soak. This applies to vehicles produced before production change VIN JTEBC3EH#D2018016 require a new intake surge tank and a reflash. 2013-2015 model year Highlander HV vehicles built after the production change VIN 5TDDCRFH#FS010286, 5TDJCRFH#FS010286, 5TDBCRFH#FS010286 only require a reflash.
Where applicable, replace the intake air surge tank assembly with updated part 17190-31250. Reprogram the ECM using calibration ID 34878100 for 2011-2012 models or 348N1100 for 2013 models or 30E26100 for 2014-2015 models.
About the Author
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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.
Mike Mavrigian
Motor Age Editor
Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.