Mazda CX-5 2017–2020 — technical service bulletin
Bulletin SA-051-20 · NHTSA communication 10176054 · issued May 11, 2020
Technical service bulletin
communication type
Visibility
component
2017–2020
model years
4
vehicle entries
Official summary
Some vehicles may experience an engine no start/no crank with either of the following DTC's stored: P0615:12 - Starter relay circuit malfunction B112A:12 - IG2 relay circuit malfunction. This may be caused by water contamination/corrosion at electrical connector C-04 due to: Windshield tint installation: Windshield tint installed to block UV light. The water used during the installation of the tint may run down behind the dashboard. Carefully inspect the windshield to see if window tint has been installed or not. Some window tint film appears clear and is for UV light only. Windshield repair/r
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.