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RecallGazette

Vehicle problems, recalls & safety intelligence

Chevrolet Avalanche 2500 2002–2008technical service bulletin

Bulletin 08-07-30-015 · NHTSA communication 10025462 · issued Apr 1, 2008

Technical service bulletin
communication type
Power Train
component
2002–2008
model years
44
vehicle entries

Official summary

Diagnostic information on mn8, mt1 ses/mil illuminated, dtc p0757, harsh shift, delayed 2-3 shift, 2-3 shift flare, no third gear, slips in third gear or reverse. *pe

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.