GMC TSB #080604006N
2008 GMC Savana
Affected Component: BACK OVER PREVENTION
- Summary
- This informational bulletin provides technicians with Information for Identifying non-GM ECM calibration use and Power-Up hardware detection in Duramaxâ?¢ diesel engines â?? Photograph Tech 2® Calibration IDs, Calibration Verification Numbers (CVNs) and Transmission Data Screen.