Equipment group, auxiliary gauge, customized shifter knob, engine cover

Years 2003–05 Models 1 Factory citations 4

Documented applications

SSR (2003–2006)

2003–2005 Factory-verified

the kit guides call it a dealer-installed auxiliary gauge package: voltmeter, fuel consumption and transmission oil temperature in 2003, voltmeter, delivered torque and outside temperature in 2005; the 2005 list does not print it

GM Heritage factory kit — 2003 And 2004 Chevrolet SSR, p.90.
GM Heritage factory kit — 2005 Chevrolet SSR, p.92.
GM factory document — 2003 chevrolet ssr rpo code list, p.1.
GM factory document — 2004 chevrolet ssr rpo code list, p.1.

This page aggregates every documented appearance of ERG in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.