engine will not stop when key turned off unless rev up engine
Nov 17, 2025 at 10:43 AM
engine will not stop when key turned off
2015 CHEVROLET EQUINOX
HUFBEAR
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Yes, this is a classic GM problem, here are the fixes in order of popularity.
1. Faulty Ignition Switch (very common on Equinox/Terrain)
2. Failing Body Control Module (BCM) - Common on this era of Equinox
3. Stuck / Backfeeding Alternator Field Circuit
You might want to do a CAN scan which may give us code to help us fix it as well, check out this video below.
CAN SCAN - https://youtu.be/u-4syLc-ifQ
If it is the alternator you can disconnect the main charge wire and isolate it so it doesn't touch anything and then start the car to see if the problem goes away. Here is how to change out the ignition switch which is usually the problem. I will email you the images as well.
1. Faulty Ignition Switch (very common on Equinox/Terrain)
2. Failing Body Control Module (BCM) - Common on this era of Equinox
3. Stuck / Backfeeding Alternator Field Circuit
You might want to do a CAN scan which may give us code to help us fix it as well, check out this video below.
CAN SCAN - https://youtu.be/u-4syLc-ifQ
If it is the alternator you can disconnect the main charge wire and isolate it so it doesn't touch anything and then start the car to see if the problem goes away. Here is how to change out the ignition switch which is usually the problem. I will email you the images as well.
Images (Click to enlarge)
Nov 18, 2025 at 12:24 PM