- 1988, 1990–1992 Single-source
export; Firebird years: 3rdgenformula option pages 1988, 1990–1992
UK1 Factory-verified
Also described as Frequencies, Japanese
Also documented for BuickCadillacChevroletGMCHummerOldsmobile
Documented applications
- 2001–2002 Factory-verified
This page aggregates every documented appearance of UK1 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.