2003 5.3 Z71 Throwing Codes!

[GreenMachine]

My truck is throwing the following codes. DICu1000, SRSu1000, TCCM(/AB)u1000, TCCM(/AB)c0379. And my truck is in Reduced Engine Power mode, does anyone know what these codes are and what needs to be fixed. anything helps.

 

 

 

Thanks, Eric

[pink1632]

My truck is throwing the following codes. DICu1000, SRSu1000, TCCM(/AB)u1000, TCCM(/AB)c0379. And my truck is in Reduced Engine Power mode, does anyone know what these codes are and what needs to be fixed. anything helps.

 

 

 

Thanks, Eric

 

 

I'm sorry I can't be of better help, but all of the codes my '02 z71 throws, start with the letter "P", none of the above numbers you posted are listed. You might want to contact the dealer.......

[Stevens03]

TCCM are transfer case control module issues

 

Google is your friend

 

From what I've read so far, it sounds like your PCM either has a bad connection or going bad Data link malfunction possible.

 

I actually have a 2003 PCM sitting in my basement, your welcome too. It's currently married to an HP3 but that too could be sent for a reasonable fee for both. It came out of my 2003 LS Z71 extended cab. I have it only because I got a custom tune and kept the stock pcm. When I traded, I kept it.