Service Repair

Unwanted Shift Hits Lincoln

Jan. 21, 2022

This bulletin is for some 2013-2014 Lincoln MKZ vehicles built on or before Sept. 30, 2013.

Some 2013-2014 Lincoln MKZ vehicles built on or before Sept. 30, 2013, may shift to park when the vehicle is traveling below 5 mph and/or a wrench light may be illuminated, with diagnostic trouble code (DTC) P081F stored in the gear shift module (GSM).

Reprogram the powertrain control module (PCM) and the GSM to the latest calibration using the integrated dynamics system (IDS) release 89.02 and higher.

The push-button shift transmission has unique operating characteristics including an automatic return to park feature.

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.

About the Author

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.