GMC Envoy 1998–2004 — technical service bulletin
Bulletin 00502B · NHTSA communication 10007905 · issued Jan 1, 2004
Technical service bulletin
communication type
Exterior Lighting
component
1998–2004
model years
19
vehicle entries
Official summary
Daytime running lamps (drls) turn off temporarily while the turn signals are activated. *tt
Vehicles covered
- 1998 GMC Envoy
- 1999 GMC Envoy
- 2000 GMC Envoy
- 2001 GMC Envoy
- 1998 GMC Jimmy
- 1999 GMC Jimmy
- 2000 GMC Jimmy
- 2001 GMC Jimmy
- 1998 GMC Sonoma
- 1999 GMC Sonoma
- 2000 GMC Sonoma
- 2001 GMC Sonoma
- 2002 GMC Sonoma
- 2003 GMC Sonoma
- 2004 GMC Sonoma
- 1998 Oldsmobile Bravada
- 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.