TSB TSB-21-2004 — Lincoln Service bulletin
TSB-21-2004 is a service bulletin on file with NHTSA for the Lincoln MKZ, 2013–2014 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Some 2013-2020 MKZ vehicles may need the exterior rear view mirror replaced. The replacement exterior mirror will have different wiring than the originally equipped mirror. Follow the Service Procedure steps below to modify the vehicle-side wiring harness to accept the…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years TSB-21-2004 names
| Vehicle | Model years |
|---|---|
| Lincoln MKZ | 2013, 2014 |
Every document filed under TSB-21-2004
| Document ID | Filed | Type |
|---|---|---|
| TSB 21-2004 | January 8, 2021 | Service bulletin |
What TSB-21-2004 covers
Visibility & wipers — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB TSB-21-2004?
TSB-21-2004 is a service bulletin filed with NHTSA by Lincoln, covering the Lincoln MKZ across the 2013–2014 model years. NHTSA's summary reads: Some 2013-2020 MKZ vehicles may need the exterior rear view mirror replaced. The replacement exterior mirror will have different wiring than the originally equipped mirror. Follow the Service Procedure steps below to modify the vehicle-side wiring harness to accept the…
Which vehicles does TSB-21-2004 cover?
NHTSA's file names Lincoln MKZ (2013–2014). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB TSB-21-2004 a recall, and is the repair free?
No. TSB-21-2004 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of TSB-21-2004?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under TSB-21-2004, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under TSB-21-2004. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.