Chevrolet Express 2010–2011 — technical service bulletin
Bulletin PIP4887A · NHTSA communication 10253175 · issued Apr 1, 2014
Technical service bulletin
communication type
Engine and Engine Cooling
component
2010–2011
model years
12
vehicle entries
Official summary
Service Exhaust Fluid System Message Displayed.
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.