2003 Chevy Tahoe Service 4wd

Well i found a technical service bulletin text attatched about the tccm losing communications. Service 4wd message appears randomly.

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Service 4x4 light on dash.

2003 chevy tahoe service 4wd. 2003 gmc sierra 1500hd 60 4l80e fully automatic 4x4. So i pulled the fuse waited a minute and put it back in. Has been working on and off.

Service 4wd message on 2003 tahoe 01 04 07 0158 am post 1064860 in response to 2x4equine what bill said. Other common issues have been the encoder motor on the transfer case going bad andor a software update. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.

When starting engine 4wd selection buttons are lighted differently each time. Usually the light is off after a few days then the 4l lights up and stays on even though i am driving freeway speeds transfer case is in 4h but dash says 4l. If it happens again i have to take it in and get a new tccm i guess.

I do not use 4wd. This is the only problem ive ever had with my chevy and if continues i will never buy any 4wd vehicle again. I got a 2003 tahoe and i cant get 4wd to work answered by a verified chevy mechanic we use cookies to give you the best possible experience on our website.

It did start back up in 4lo but switched back to 2hi just fine. Glad to hear though that you were able to get the truck out before it was too late. 2003 chevy tahoe z71.

Sometimes in nuetral 2hi 4hi 4lo. Cannot select any option stays on what it is in when started. Controls come back on and the service 4wd is gone.

I really love this z71 tahoei traded my 03 excursion 4wd diesel for this dashboard says service 4wdjust driving in 2wd all tne time and having problems with 4wd doesnt make sense. How do you replace a wheel bearing assembly on the left side of a 2007 chevy tahoe with 4wd and abs brakes asked in dashboard lights and gauges chevy suburban why does service 4wd message come. The switch is the best place to start.