Truck wont start. Please help!

[Texasram1]

2022 diesel mega cab

Parked it outside last night, and of course it rained a lot.
Started it this morning w/o issue, but only had to move it 10 feet.
Tried to start it maybe an hour ago, and no dice.
Said it was doing a diesel preheat. Then nothing but a loud pop/click through the stereo.
Tried a fully charged jump box and still no dice.

Here is a vid of trying to start it on jump box

Help!

 

[Texasram1]

Truck says V is 9.8

 

[johanh13]

9.8V is too low, is that with the jump box connected and activated?

 

[Texasram1]

$600 in new AGMs and she is back online

 

[Texasram1]

9.8V is too low, is that with the jump box connected and activated?

It was, yes

 

[Brutal_HO]

For future reference, you need to put the jump box on the engine block side of the IBS that's on the negative battery post.

If you try to jump directly to the battery post, the BCM/PCM doesn't know SOC of the battery/jump box and will not crank.

 

[Texasram1]

For future reference, you need to put the jump box on the engine block side of the IBS that's on the negative battery post.

If you try to jump directly to the battery post, the BCM/PCM doesn't know SOC of the battery/jump box and will not crank.

I dont follow. IBS on the negative battery post?

I put my jump box on the driver’s side battery. Red to red, blk to blk.
This has worked in the past, but certainly coulda been dumb luck.