04 Chevy Silverado Service 4wd Light - 24.01.2011 · Can anyone tell me if there are any common problems causing the service 4wd light to come on. The truck is push button and the 4wd engages and works.. The Service 4WD Comes On - I have a 2004 chevy silverado. the service 4WD comes on in the service center on dash. None of the lights are on in the 4wd selector switch. Will not ingage 4wd either.. Chevrolet Silverado 1500 4WD Transfer Case Position Sensor/Selector Switch May Fail - 838 reports. Learn about this problem, why it occurs, and how to fix it. Learn about this problem, why it.
10.12.2008 · :gasp:Hey all, I have a 2004 Silverado with approx. 93,000 miles. Today the service 4wd message came on and all of the 4wd lights were out. I shut it off and restarted it but no change.. My service 4wd light has come on several times, not allowing me to engage the 4-low or 4-high settings. Twice, at startup, I have noticed that it shifted itself into 4-low. Twice, at startup, I have noticed that it shifted itself into 4-low.. Well, I got her fixed. I went through hell with this. When my service 4WD light went on i replaced what I might have thought was wrong. I've checked the 4WD fuze but found it to be ok..
gm manufacturer communication number: 05-04-21-003 (tsb) service 4wd light illuminated, diagnostic trouble code (dtc) c0374 set. inspect wiring harness to transfer case. Service 4wd and no lights on selector switch (1999 Chevrolet Silverado 1500) the lights on the transfer case selector switch in the dash no longer comes on. it does flash when turning the key to start the truck, but it remains in two wheel drive.. I have an 03 Silverado, Service 4WD Light on. The 1st time the mice chewed the wires by the transfer case. Fixed the problem once the wires were fixed. The 2nd time I checked all fuses, OK.
16.12.2014 · I own a 1999 GMC Sierra Z71 that I never put in 4WD. About a month ago, a few minutes after starting the engine, the "Service 4WD" light came on..