Chevrolet Express 2010–2011 — technical service bulletin
Bulletin 13386A · NHTSA communication 10057957 · issued Mar 1, 2015
Technical service bulletin
communication type
Electrical System
component
2010–2011
model years
8
vehicle entries
Official summary
This tsb contains an owner notification letter. Select document search button below. General motors 2010-2011 chevrolet express amd gmc savana w/6.6l diesel engine: the oxide sensor may fail due to contamination between the terminals in the sensor and the wire interface. *lj
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.