GM Vehicle Calibration Information 
  
  
VIN: 1GCEK14M2V
Controller: PCM/VCM Powertrain/Vehicle Control Module 
 
  
  
  
Calibration  for: Operating system 
Part Number  CVN  Bulletin #  Description  
16256455 N/A -  New software to correct false trouble codes and improve driveability. 


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Calibration  for: Engine 
Part Number  CVN  Bulletin #  Description  
16256286 N/A 766504 New calibration to correct false trouble codes and improve driveability, Bulletin Number 766504 

 

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Calibration History for: HVAC 
Part Number  CVN  Bulletin #  Description  
16204966 N/A -  HVAC calibration 
 

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Calibration  for: System 
Part Number  CVN  Bulletin #  Description  
16204374 N/A -  Initial system calibration for production vehicles 

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Calibration  for: Speedometer 
Part Number  CVN  Bulletin #  Description  
16188989 N/A -  Speedometer calibration 
 

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Calibration for: Transmission 
Part Number  CVN  Bulletin #  Description  
16243556 N/A -  New calibration for diagnostic enhancements 


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