2015 Lincoln MKZ electrical system problems
15 owner complaints filed with NHTSA name the electrical system on the 2015 Lincoln MKZ — 20% of all complaints for this model year.
What owners report
“After reading about the numerous complaints about this vehicles transmission issues I have decided to come here. The PCM and TCM need to be changed in the vehicle. Causing rough shifts from 2nd to 3rd and 3rd to 4th which essentially will cause you to replace the transmission because of the damage…”
filed Apr 14, 2025
“In the middle of June 2024 (about [XXX]), my wife was driving her car, and pressed the horn button to warn a driver who had pulled out right in front of her. The horn failed to sound, and has not worked since then when pursuing the horn button. The horns themselves do sound when pressing the key…”
filed Aug 21, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Some 2015-2021 Ford and Lincoln vehicles may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P0011, P0012, P0014, P0015, P0016, P0017, P0018, P0019, P0021, P0022, P0024 and/or P0025. Pinpoint test HK in…
SSM 54366 · Service Bulletin/Repair Instructions · issued Nov 12, 2025Certain 2014-2020 Model Year Multiple Vehicle Lines 3G Telematics Control Unit to 4G Upgrade Kit REASON FOR THIS SUPPLEMENT Program Terms & Urgency / Expiration Date: Program extension until July 31, 2023. Service…
21B09 S2 · Service Bulletin/Repair Instructions · issued Apr 12, 2023
Electrical System problems in other MKZ years
| Year | Reports | Share |
|---|---|---|
| 2018 MKZ | 2 | 6% |
| 2017 MKZ | 10 | 8% |
| 2016 MKZ | 11 | 17% |
| 2014 MKZ | 17 | 18% |
| 2013 MKZ | 17 | 16% |
| 2012 MKZ | 9 | 6% |
| 2011 MKZ | 8 | 6% |
| 2010 MKZ | 10 | 6% |
| 2009 MKZ | 3 | 3% |
| 2008 MKZ | 8 | 3% |
| 2007 MKZ | 7 | 3% |
Other reported problem areas on the 2015 Lincoln MKZ
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.