GMC TSB #080604006K
2009 GMC Sierra 1500
Affected Component: ENGINE (PWS)
- 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