Silverado 4WD issues.

  • Mike W
    MN/Anoka/Ham lake
    Posts: 13294
    March 17, 2013 at 3:44 am #1281245

    Go a 99 Silverado that I lost the 4wd on a couple of weeks ago. Had 4 high going and decided hit the button for 4 low. It tried switching over and then the service 4wd light came on. Still got 2wd. Anyone one got any ideas where I need to start looking to try and fix this? Truck is stuck in the snow and ice along side the garage and getting the 4wd bak will go a long ways to me getting out of there.

    Thanks

    katmando
    Ramsey,MN pool 2, St.croix river
    Posts: 691
    March 17, 2013 at 4:06 am #1152899

    Transfer case would be me guess.
    I never throw mine into 4 low, hear to many horror story’s about it lol

    baldwin4
    NE IA
    Posts: 736
    March 17, 2013 at 7:16 am #1152907

    Transfer Case Control Module (TCCM)

    Stan Jenson
    sw wisconsin
    Posts: 178
    March 17, 2013 at 11:21 am #1152927

    I dont know if the 99 is the same as the 97 but I had the actuator on the front axel go bad. The transfer case would shift but the front axel would not lock in.

    Mike N
    bloomington mn
    Posts: 11
    March 17, 2013 at 12:26 pm #1152946

    I had a 99 my switch on the dash went bad new one was about 80.00. My brother took the dash apart put it in and all was well again.

    Mike W
    MN/Anoka/Ham lake
    Posts: 13294
    March 17, 2013 at 12:45 pm #1152955

    It sounded to me like it tried to shift and then just went into the service 4wd mode.

    igotone
    Posts: 1746
    March 17, 2013 at 12:55 pm #1152960

    Quote:

    It sounded to me like it tried to shift and then just went into the service 4wd mode.

    Hey Mike – would like too know

    did U shift into low side while you were moving?

    Mike W
    MN/Anoka/Ham lake
    Posts: 13294
    March 17, 2013 at 1:01 pm #1152963

    Nope. Was sitting along side the garage.

    Mike W
    MN/Anoka/Ham lake
    Posts: 13294
    March 17, 2013 at 1:22 pm #1152976

    Reading some stuff on line this morning about issues with the control switch in the dash and watched a quick video on changing out the actuator. Both seem like simple fixes but still not sure if either one is the problem. Maybe I miss stated this above. Had Auto 4wd but when I tried switching over to 4low then the service 4wd button came on. At this point I would be happy to get things even back to Auto 4wd.

    Jaya
    Zimmerman, MN
    Posts: 174
    March 17, 2013 at 1:22 pm #1152977

    I am having a problem with my 4×4 as well. I have an 01 but I don’t have the push button on the dash, I have a big shift stick on the floor. Does this require a tccm as well or am I stuck spending $275

    grumpy
    Iowa, Clinton
    Posts: 489
    March 17, 2013 at 1:45 pm #1152983

    I know this is a “LONG SHOT” but would disconnecting the BATTERY ” RESET ANYTHING”?

    Mike W
    MN/Anoka/Ham lake
    Posts: 13294
    March 17, 2013 at 1:51 pm #1152984

    Was thinking the same thing. Going to give that a try right after breakfast.

    grumpy
    Iowa, Clinton
    Posts: 489
    March 17, 2013 at 1:59 pm #1152988

    Also a good charge on the battery: )

    kooty
    Keymaster
    1 hour 15 mins to the Pond
    Posts: 18101
    March 17, 2013 at 2:28 pm #1152997

    Quote:

    Transfer Case Control Module (TCCM)

    I replaced 3 or 4 of these on our 98. Very well could be that. Spendy little box. We also had to replace the switch once.

    average-joe
    Hudson, WI
    Posts: 2376
    March 17, 2013 at 2:53 pm #1153003

    I had the switch go out on my 98 chevy silverado once, and it gave me the service 4-wheel drive light on the dash, so I’d test the switch first, and go from there

    Stefan
    Posts: 6
    March 17, 2013 at 3:18 pm #1153009

    You need to get a scan tool on it. To many things it could be… And encoder motor or TCCM needs to be programmed after they’re replaced I believe.

    johnsy
    Mantorville, Mn
    Posts: 831
    March 17, 2013 at 3:57 pm #1153026

    I had a 99 silverado that i just traded. Same problem twice. Both times it was the switch on the dash. I think the switch was about 60 bucks its real easy to change.

    Mike W
    MN/Anoka/Ham lake
    Posts: 13294
    March 17, 2013 at 4:46 pm #1153048

    Pulled the battery cable and put it back on. Switch says auto 4wd again and will switch back and forth between that and 2wd. Cant seem to get the front tires to spin. Might still be only pulling with the rear.

    Dang this sucks. Got places to go and things to do on this nice sunday.

    Bassn Dan
    Posts: 977
    March 17, 2013 at 6:12 pm #1153076

    Sometimes you have to roll forward or back a bit with the truck for the 4 wheel to kick in – not too helpful if you’re already stuck!

    Good luck.

    Dan

    dbright
    Cambridge
    Posts: 1867
    March 17, 2013 at 10:31 pm #1153130

    I’ve got a truck for Mon-fri as long as it means pool 2 or 4

    Mike W
    MN/Anoka/Ham lake
    Posts: 13294
    March 18, 2013 at 2:42 am #1153179

    Quote:

    Sometimes you have to roll forward or back a bit with the truck for the 4 wheel to kick in – not too helpful if you’re already stuck!

    Good luck.

    Dan

    Thanks Dan. Ill keep that in mind in about 4 weeks when everything thaws out and its good to go again.

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