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Discussion Starter #1
I updated several control modules on my 2009 Impala SS this afternoon via AC Delco TDS single VIN programming subscription with my WiFi MDS and laptop.

The main reason I fired up TDS was to update the ABS controller to get rid of a recurring spurious fault code. Yes there is an update to deal with that.

I checked out the other modules for updates while I had the MDI plugged into the car and laptop and the Javascript TDS updater fired up.
The Heated seat module has an update to deal with current draw with key off.
 

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Discussion Starter #2
BTW a Single VIN Delco TDS 24 month subscription is now $40.
Far cheaper than going to the dealership.

The Airbag lamp remained lit after I flashed the Passenger Presence and Heated Seat module.
I had to update the outdated config in the SRS module and update the configs in the Vehicle Communications Module.
Once that was done I plugged in my Tech 2 to read the error codes in the SRS module, It took a security re-learn on the modules showing errors, and finally a new module re-set on the SRS. I just had to read the info about the errors right on the Tech 2.

All this because I updated the HVAC, Passenger Presence, and Heated Seat modules.
About an hour of my time.
 
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