GMC Envoy 1999–2004 — technical service bulletin

Bulletin 3170C · NHTSA communication 10010168 · issued Nov 5, 2004

Technical service bulletin

communication type

Exterior Lighting

component

1999–2004

model years

vehicle entries

Official summary

Instrument panel cluster (ipc) interior and/or head lamps flicker. *tc

Vehicles covered

1999 GMC Envoy
2000 GMC Envoy
2001 GMC Envoy
1999 GMC Jimmy
2000 GMC Jimmy
2001 GMC Jimmy
2002 GMC Jimmy
2003 GMC Jimmy
2004 GMC Jimmy
1999 GMC Sonoma
2000 GMC Sonoma
2001 GMC Sonoma
2002 GMC Sonoma
2003 GMC Sonoma
2004 GMC Sonoma
1999 Oldsmobile Bravada
2000 Oldsmobile Bravada
2001 Oldsmobile Bravada

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.