GMC TSB #08-06-04-006K
2012 GMC Sierra 2500
Affected Component: FUEL SYSTEM, DIESEL
- Summary
- This informational bulletin provides 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