Saturday, August 8, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Chevrolet C Series 2006–2013technical service bulletin

Bulletin 08-06-04-006M · NHTSA communication 10138147 · issued Jul 28, 2015

Technical service bulletin
communication type
Equipment
component
2006–2013
model years
56
vehicle entries

Official summary

This informational bulletin provides technicians with Information for Identifying non-GM ECM calibration use and Power-Up hardware detection in Duramax? diesel engines ? Photograph Tech 2® Calibration IDs, Calibration Verification Numbers (CVNs) and Transmission Data Screen.

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.