Buick Shows False Codes
Some owners of 2017-2018 Buick Cascada vehicles equipped with a 1.6L engine may comment that the MIL is on. DTCs P0366 and P0014 may be set. This condition may be caused by a sporadically unlocked exhaust cam phaser that can oscillate during engine start, falsely setting the DTCs.
Update the ECM to the latest calibration.
About the Author
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.
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