I have a 2009 malibu and it show the code u2107 what is it

Question

Can u reprogram the ecm or what can i do

Answer 1

Hi there,

This code means: Lost communication with body control system.

This could be a broken wire between the ECM and the PCM, a power supply issue to the BCM. Honestly this code is likely going to require a high speed scan tool that can communicate with all the control modules to diagnose.