GM Crank No-Start: P0615 (Chevy Equinox)

This 2012 Chevy Equinox has a strange symptom.
The engine cranks but refuses to fire up.
One code sets instantly: P0615 - Starter Relay Control Circuit.

This problem started after a sketchy aftermarket alarm system got installed and then removed...

LAUNCH DIAGUN:
https://www.amazon.com/dp/B072FHLYRY/...

Enjoy!
Ivan

• #autos_vehicles
• #gm
• #crank
• #start
• #fuel
• #spark
• #pcm
• #starter
• #aftermarket
• #computer
• #rpm