I have a 99 chevy tahoe 4X4 5.7. My service 4wd dash light comes on when I put my truck in auto 4. I drive about 150 - 200 feet and the light comes on and will not switch back into 2wd. I have to shut the engine off and then start it holding in the 2wd button. It also seems to go into 4wd in auto 4 with out any sense of slipping or spinning of the tires. I replaced the transfer case 1 yr ago and always thought that after the replacement the 4wd was mucked up. Could it be the transfer case? I have had it looked at 2 or 4 times and everything looks great. HELP!
Sound like problems in transfer case shift module.
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4 button switch on dash wont light up anymore after i replaced transfer case.replaced tccm and encoder motor still nothing switch worked up till first transfer case broke service 4wd light dont come on either
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