Ok I have an extra ECM Im trying to write my tune to. I used credits to unlock the license for my model year Cobalt SS 2009. How do I use the spare ECU on my car ?
Ok I have an extra ECM Im trying to write my tune to. I used credits to unlock the license for my model year Cobalt SS 2009. How do I use the spare ECU on my car ?
Use a Tech II to flash a stock 2009 Cobalt SS tune into the ECU along with a valid vin - perhaps yours.
Best regards,
Bill
Silver 2003 C5 roadster, M6, Euro red/amber tails, Z06 Ti mufflers, Z06 2 cat H-pipe, Z06 airbox, and HPTuners s/w - available to any Corvette or other GM vehicle in Calgary, and also for Ford and Dodge products, including Cummins
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