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4WD won't engage in 2005 Chevy Colorado


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jhand
New User

Dec 17, 2015, 12:11 PM

Post #1 of 3 (1919 views)
4WD won't engage in 2005 Chevy Colorado Sign In

Trusted mechanic has replaced both the actuator & module. 4WD worked briefly, but is now out again. Fan for heater & a/c has been acting up too. Not sure if they're related. Any of you had similar issues, or have suggestions?


kev2
Veteran
kev2 profile image

Dec 17, 2015, 1:27 PM

Post #2 of 3 (1909 views)
Re: 4WD won't engage in 2005 Chevy Colorado Sign In

guessing this is a 3.5L "pushbutton" 4wd.
you have scanned for codes- post all and the TCCM ARE likely "C" series CODES
will get wiring diagram once engine is known and code checked


gsferraro
Veteran

Dec 17, 2015, 6:08 PM

Post #3 of 3 (1894 views)
Re: 4WD won't engage in 2005 Chevy Colorado Sign In

 Those dash switches go bad alot also.Gary






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