Cadillac Escalade 2010 — technical service bulletin
Bulletin PIE-0042A · NHTSA communication 10036124 · issued Sep 1, 2010
Technical service bulletin
communication type
Power Train
component
2010
model years
12
vehicle entries
Official summary
Gmc/cadillac/chevrolet: engineering information-service 4 wheel drive message displayed. Gm engineering attempting to determine the root cause of the service 4 wheel drive message. Prior to removal or replacement of the transfer case control module. *pe
Vehicles covered
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.