Clicking behind glovebox when auto start/stop starts back up

[Shoran12]

So the last week or so I’ve noticed a solenoid type clicking behind the glovebox when the auto Start Stop starts back up after stopping. Sound like maybe a solenoid? There are two plastic sounding clicks, rather loud, right as the truck starts back up. Sounds like behind the glovebox. Anyone else experienced this?

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[airline tech]

Possibilities,
TRM - Trailer Brake Cont Module, some have reported clicking sound,
BECMB - Battery Energy Cont Module - Supplies Power to the Airbag System,
Air Inlet Door Actuator -Recirculation Door

 

[Jason B]

I hear it when I have ASS enabled. I think it's solenoids engaging to power the starter.

 

[got3fords]

Mine has been doing that from day 1. I just figured it was a necessary solenoid.

 

[Shoran12]

Mine has been doing that from day 1. I just figured it was a necessary solenoid.

Ok, yeah I must have not noticed it. It’s definitely related to starting up as the click is the exact moment of startup. Guess I wasn’t paying attention when is A/S/S and never noticed it.

 

[Shoran12]

I hear it when I have ASS enabled. I think it's solenoids engaging to power the starter.

Copy, yeah I never remember hearing it but I also don’t remember a lot of things lol. I normally turn the auto start stop off so it’s been a bit and this last week I decided to keep it on and noticed the clicking at the moment of startup each time.

 

[Jason B]

The first thing I do after starting, is hit the tow/haul button. This disables ASS and gives better shifting.

 

[Shoran12]

The first thing I do after starting, is hit the tow/haul button. This disables ASS and gives better shifting.

Yeah I need to get in the habit of doing that. I’ve been in it so drive most of the time and it definitely lags at slower speeds when the rpm’s drop out.

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