ecm controller not available, ( $0281 ) code during ecm read

[djv86]

Does the truck have an aftermarket radio? I've seen those cause problems. And some LB7s just need to be bench flashed. I keep a repair spare in stock now.

Yes it does have an aftermarket deck. And I'm seriously debating getting a bench harness for them

[mpdtune]

A lot of times there's a can module installed with the deck to make the chimes work. Unplug it and it should let you flash but sometimes that doesn't even work and a bench flash is the only thing. Do you have every option checked in V8 while you're flashing as well?

[djv86]

I can't even read the ecm or tcm wether using the newest v8 or just the v2 using the bbx stuff and what do you mean (options)

[mpdtune]

Using V8, to the right of the controller type in Read or Flash will be options. Make sure those are all checked.

[djv86]

It looks like this ( the v2 isn't hooked up to a vehicle currently ) but what do you mean options ?

And it thre the code using passthru and just the v2 using bbx reading method on tcm and ecm

[mpdtune]

It looks like this ( the v2 isn't hooked up to a vehicle currently ) but what do you mean options ?

And it thre the code using passthru and just the v2 using bbx reading method on tcm and ecm

Check the boxes for "try alt keys" "assume lock may be faulty" and "try additional unlock strategies"

[djv86]

Ahh alrighty. What would cause it to throw the same code when trying to read ecm using just the v2 in bbx mode?

[mpdtune]

Doesn't have those options in BBX

[djv86]

I'm just saying when I use the v2 in non pass thru way it still gives me the same error codes as it does when I use v8 method