I just replaced my mode actuator due to the dash vents not working; it wasn't too bad of a job; you just need to be patient and smart as you work. First you need to find out what part number to order; just call the local GM dealer. you will need to give them your VIN; the P/N I used was...

Hey guys I got a 07 ss trailblazer I been working on for 3 months. The problem is the u0100 no communication with pcm. I got another pcm no luck the brought a new pcm and new bcm. Still now luck it's getting power and ground to pcm. But I noticed don't have a 5volt reference. Also I noticed that...

Hey guys, I'm starting this thread to document and hopefully get some advice on troubleshooting a minor misfire that's plagued our truck for quite some time. Our gas mileage is now showing around 9mpg, however we have been sitting idle with the a/c on more frequently waiting for kids to come out...

Does anyone have any problems with their A/C not working as well when they are stopped and it is pretty hot outside (90 degrees plus)? My dealer is trying to get out of fixing, but I don't give up that easily. My friend has an 05 and he just had his fixed for the same problem, he said they...

This is the third generation Reality Trailvoy thread... composed especially for those who wish to talk and get to no their other fellow Trailvoyers... As you know, the last thread I started that was similar to this, "Reality Trailvoy" was shut down due to repetitive conflict... and, through...