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GMC TSB #080604006N
2009 GMC Sierra 2500
TSB Document:
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.
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