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Since I encountered the same issue with my 2017 SS 1LE, I searched and found this thread.
I do not use / have remote start.
To me it happens occasionally, however, the workaround I found is to start the engine only after first pressing the Start button for ~ 10 seconds (going into active ACC mode) without engine actually starting (by not pressing the Clutch pedal...in Autos this would be not pressing the Brake pedal).
Only then, I press Clutch and Start button to start the engine as usual.
I do not think that the community should tolerate glitches like this and resort to workarounds (having to unlock/ re-lock doors before starting; go into ACC mode first).
Does anyone know if GM already has a permanent fix to this issue?
Firmware update of the HMI / HVAC-CM/ B-CM?
TSB ?
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