Chevrolet Silverado 2001–2002 — technical service bulletin

Bulletin 020604058 · NHTSA communication 10000741 · issued Dec 1, 2002

Technical service bulletin

communication type

Engine and Engine Cooling

component

2001–2002

model years

vehicle entries

Official summary

Service engine soon lamp illuminated, false diagnostic trouble codes p0181 and/ or p0116. *tt

Vehicles covered

2001 Chevrolet Silverado
2002 Chevrolet Silverado
2001 GMC Sierra
2002 GMC Sierra

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.