Help, LOST comm with different ECU´s
 

Hi,

I´m new to this forum, and i really hope someone could help med with this:

2005 C6 Aut. transmission (the gearbox with vertical connector)

Car i starting, but transmission is in limp mode, Says "service traction system" CEL "car with lock" lightning up and also CEL "traction"

Read out following fault codes

BCM: U2106 - Lost communication with TCM

SRS: U1000 Class 2 data link malfunction

ECM: U101 - Lost communication with TCM

ABS: U2106 - Lost communication with TCM

I am unable to communicate with: TCM and Steering colum lock

I have checked all the fuses, power and ground lines to TCM, (power lines is tested with bulb so it is able to draw current)

Fault just came suddenly, after short stop at gas station