- 2017, 2023 Factory-verified
2017: Premier: S, LT: not available; 2023 EUV: LT, Premier: S
C9J Factory-verified
Also described as Lighting, interior ambient, instrument panel
Also documented for Cadillac
Documented applications
- 2014–2016 Factory-verified
2014: 2SA: O (in PCY); 1LT, 2LT: O (in PCX); 1LZ, 2LZ: S; 2015: 1LT, 2LT: O (in PCX); 3LT: O (in PDN); 1LZ, 2LZ: S; 2016: 2LT: O (in PCX); 3LT: O (in PDN); 2LZ: S
- 2018 Single-source
in Y3W (GM Authority's 2018 Impala article, narrative package-contents section, which is not the credited 'Official RPO Changes' list)
This page aggregates every documented appearance of C9J in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.