Confused Kia With Which Gears
This bulletin involves replacing the inhibitor switch (neutral safety switch) on some 2017 KIA Optima, Sorento, Optima Hybrid, Optima Plug-In Hybrid, Sportage,Forte and Sedona vehicles, as well as some 2016-2017 Optima vehicles, all equipped with a front wheel drive 6-speed transmission. The inhibitor switch may not allow the correct gear position signal to be sent to various control units.
Symptoms include the following:
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Malfunction Indicator Lamp on with DTC P0705 (transmission range sensor circuit malfunction, active or history)
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CAN-related DTCs (for both hybrids: CAN DTC C2243)
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Intermittent no-crank/no-start
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Erratic or harsh shifting
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EPB and Hold lights illuminated intermittently
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Key Off indicated after placing the selector lever into the “P” position and depressing the Start/Stop button. When this condition occurs, the “P” position is not indicated on the instrument cluster.
Replace the inhibitor switch (available as P/N 42700 3B700QQK) and clear any DTCs.
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.
Mike MavrigianMike 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.
