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2001 Chevy Tahoe 4WD light

Tiny
TBONE67
  • MEMBER
  • 2001 CHEVROLET TAHOE
  • V8
  • 4WD
  • AUTOMATIC
  • 77,000 MILES
My 2001 Tahoe has the 4wd service light on. Read the code, nothing. Only the history code section had CO367. I actually changed the selector switch in the cab and the actuator on the front axle. Still the same issue. The 4wd light is on, the the 4wd lights are lit on the switch (2wd, 4hi, 4lo auto 4wd, neutral) and I can hear the switch clicking constantly. Do I need to change the shift control module inside/under the dash? I just want to make sure that is it and be done wasting money. Why is the 4wd service light on and no code can be read?
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Monday, November 30th, 2009 AT 10:07 PM

2 Replies

Tiny
CRZYDRVR
  • MEMBER
  • 432 POSTS
You probably need to change the push button control module on the dash. Samething happened to mine as well.
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Thursday, December 3rd, 2009 AT 5:04 AM
Tiny
TBONE67
  • MEMBER
  • 2 POSTS
That was the first thing I did and it didn't help. I thought that was the problem. Apparently I thought wrong
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Thursday, December 3rd, 2009 AT 8:46 AM

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