Should I be looking at all the lines or the bright blue and dark blue ones ....sorry man I'm new to reading these diagrams it's gonna take me some time
I'm pulling codes U0140 U1041 and U0100 all loss of communication bcm ecm and ebcm I believe are what they are for ......I've cleaned all grounds ....checked harnesses ....all looks good only thing I haven't been able to do is actually fix it ..truck will run for 5-6 minutes then all the gauges...
I have a weird coolant leak on the rear passenger side ...i have a video no idea how well itll show on here my email is [email protected] if u wanna see
08 silverado 2500hd lmm