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2009 Impala SS
1,517 Posts
I'm kinda surprised you can't program the BCM with an MDI and AC Delco SPS single VIN service programming license.
The VIN should tell SPS it's a 9C3.
I used it to flash my malfunctioning ECM on my Impala. $40 is pretty reasonable for a single VIN license.

Thankfully the CPU was in transplantable condition. Helps to have this skillset. Thankfully the tools are getting down into the reasonable price ranges.
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