- 1986, 1989–1990 Factory-verified
camaro-gen3 reads a sunshade package; this row follows the Firebird sources: the 1986 label decode reads a removable hatch roof sunshade, and 3rdgenformula reads a rear window sun shade (1989) and a T-top sun shade (1990); Firebird years: thirdgen.org label decodes 1986; 3rdgenformula option pages 1989–1990; shared F-body code; cited from the Camaro kits
GM Heritage factory kit — 1986 Chevrolet Camaro, p.22.
DE4 Factory-verified
Also documented for Chevrolet
Documented applications
- 1998–2002 Factory-verified
This page aggregates every documented appearance of DE4 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.