- 1975 Single-source
ZL5 Factory-verified
Also described as NTB sold for reg or oper (US)Convenience and Driver Confidence PackageRS convenience and driver confidence packagePackage, Driver Confidence
Documented applications
- 2019 Factory-verified
- 2025–2027 Factory-verified
only in: Blazer EV, not the Police Package
- 2025–2026 Factory-verified
includes K2O; 2025–2026: A in RS (requires AS3, CAJ, XRD or 6K5); not offered in LT 1, LT 2
- 2025–2027 Factory-verified
2025–2026: LT, RS, ACTIV: O; 2027: ACTIV: S; LT, RS: O; includes UKC, UFG and UD7; 2027: requires Y19 on LT and ZL3 on RS
This page aggregates every documented appearance of ZL5 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.