hi gang
I have a 2006 doge 3500 Cummins Laramie quad cab 4X4 and sometimes the door locks won't lock when there supposed to and now i first started to notice 4X4 low light flashing while driving and one day when i remote unlocked the doors the transfer case servo was turning on and off and i have found its turning on the four wheel drive as well when i slow down or it might be on while drive and i don't know it till i try to turn i have pulled the tipm and looked at it no corrosion? I hate to spend big bucks on a possibility.

 

Start checking batteyr connections and grounding points, that is a typical symptom of a bad connection somewhere or bad batteries.

 

so you don't think its my tipm I pulled that 30 amo fuse in the TIPM for 4 wheel drive fuse 9 but it still works ?

 

Typically odd ball operations like this are are ground or connection problem. Pull the battery cables and clean them well. Check the gorunds and scrape them where the body mounting points are.

Normally with the TIPM everything just quits working.

The door locks are controlled by an RF receiver on the back of the cluster, the 4x4 is just a switch that energizes the ground side of a circuit. It all points to something not connecting solidy somewhere.

 

Thank you, I'm on it first thing in the morning

 

I totally agree with cerberus60. My truck is an 06 CTD, and I had the very same issue. I cleaned all ground connections and battery cables. That cured my issue, and that was over 3 years ago. Now as standard maintenance, I clean the ground conncetions twice a year.

 

Ok cleaned all the grounds i could find
Time will tell... I'll keep you posted but so far no problem

 

So yesterday drove around town on some short runs and it seemed fine, i then drove to the states after about 40 min. on the road it started doing it again low 4X4 light starts flashing every once in a while when i got to the boarder it was in 4wheel high pulled over stopped turned it to 4high rolled a few feet and turned it off again an it went back to 2 high i cleaned all 4 bat posts neg to block 2 body grd. on top of fenders braid up under neath and one more small one drivers side on the block ?

 

so it only starts screwing up once its good and warmed up drove it two days ago all over town in -5 c off and on never warmed up completely yesterday drove about 45-50 min and sure enough its started doing it any ideas

 

Im thinking there is an issue with the switch.