This bulletin applies to 2019 Buick Enclave and Envision vehicles equipped with a GF9 transmissions.
Intermittent input speed sensor and/or intermediate speed sensor electrical DTCs may be found including P0717, P07BF, P07C0, P176C and P176D. The possible cause is an open in the input speed sensor.
If normal service diagnostics does not lead to a resolution, replace the input speed sensor.
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 has written thousands of automotive technical magazine articles involving a variety ofspecialties, 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.
