Josh.Larsen
Junior Member
I'm not sure exactly where to place this thread. But anyway. Yesterday I started my truck with my remote starter to get it warmed up before I left for home. I got in my truck and the ABS, Parking Brake, and check engine lights were on. They stayed on until I restarted my truck and all the lights went off exept the check engine light. So I checked the codes and all I got was uo155. Which I looked up and found out that it's and issue with the instrument cluster communicating with the pcm. So this morning I started my truck and the check engine light is still on. I checked codes again and this time I got 4 c-codes AA,AC,AD,AE and I looked these up and I guess it means that it's not receiving messages from the PCM, ABS,FCM,ACM. What does this mean/ what is causing this? All the gauges work and lights, truck runs great. Can't tell anything is wrong exept for the check engine light. I haven't touched anything or messed with anything it just randomly has popped up. Can anyone help me? Thanks!
