I have a 2007 GMC Sierra SLT 2500 HD, having issues with the cab bus issue on both networks.
It all started one day when I was driving down the road and I turned on the AC and all dash gauges pinned all down to there starting position (bottom left) got codes for no communication for BCM, HVAC...
I have an 2009 GMC Sierra extended cab long bed. It’s completely stock bought it recently at 197000 and it’s only at 199k. I bought it and the first week ran like a beast. It was quick compared to my old gasser. Then I started noticing lack of power and low mpg. Then the efr code popped up and...
List of new parts
Nylon return lines
S&B cold air intake
S&B intake elbow
Mbrp 3 inch down pipe
Mbrp 4 inch full exhaust
Lower control arms
All 4 shocks
Front pads rotors and wheel bearings
Power steering gear from redhead 18.1 ratio
Gm power steering pump
All new power steering...