- 2025–2027 Factory-verified
only in: Police Package
Also described as Identifier, marked police package vehiclePackage, police patrol vehicleSEO vehicle, police carPolice Pursuit PackageIdentifier, police patrol vehicleIdentifier, police package vehicle
Also documented for GMC
Documented applications
- 1989 Factory-verified
only in: sedan (1BL69); the special equipment pages name it only in other items' remarks (its own line is illegible)
GM Heritage factory kit — 1989 Chevrolet Caprice, p.60.
- 1994–1996 Factory-verified
only in: sedan (1BL19); 1995 rests on the N92 wheel cover line that names it (no line of its own on the listed 1995 pages); 1996: police vehicles with LT1
GM Heritage factory kit — 1994 Chevrolet Caprice, p.72.GM Heritage factory kit — 1995 Chevrolet Caprice, p.201.GM Heritage factory kit — 1996 Chevrolet Caprice, p.22.
- 2014, 2017 Factory-verified
the one model in both guides: the 2014 guide prints Caprice Police (9C1), 1EW19; the 2017 order guide prints Police (9C1), 1EW19 sedan
- 2005 Factory-verified
- 2006–2009 Factory-verified
The 2007 police order guide heads its police column 9C1.
GM Heritage factory kit — 2007 Chevrolet Impala, p.141.
- 1983 Factory-verified
special equipment option (SEO), law enforcement agencies only; the seats it requires are sedan-only; with LC3 or LG4, a 2.73 axle, HD generator and HD seats (6C1, 6B9 or the 55/45 bench); recommended police tires 5KV/5KW (other tires allowed); includes V08, F40 and 9L3
GM Heritage factory kit — 1983 Chevrolet Malibu, p.14.
- 2027 Factory-verified
identifier for the police pursuit vehicle; the guide lists the contents
- 2023–2026 Factory-verified
- 2016 Factory-verified
only in: Police Vehicle; must be specified on police orders; the lists read sales package, police vehicle; the 2017 shared list also prints it, but no Tahoe page of 2017 or later in the sources does, so 2017 is not claimed
- 2022–2023, 2025–2027 Factory-verified
2027: Police Package: O; includes K47, KX4, K6K, Z56, XCS, RAV, RC1, PXT, 5J3, UT7, V53, ATD, NP0; printed by the Tahoe police package and special service guides, not by the retail and fleet guides; the 2022 and 2023 body-builder lists read sales package, police vehicle; the 2026 body-builder list shows the code over its content lines
This page aggregates every documented appearance of 9C1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.