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Service 4x4 light no codes. 4x4 randomly works
1999 Chevrolet Silverado 1500

Service 4x4 light no codes. 4x4 randomly works

(1999 Chevrolet Silverado 1500)
99 tahoe 5.7 push button 4x4 the service 4wd light is on and randomly it will go off and the 4x4 will work have no codes
What seems to make the problem better or worse? Nothing
How long have you had this problem? A year
Tags: chevrolet, silverado 1500
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Popular Answer
on October 11, 2018
Professional grade scanner IS required to communicate with the transfer case control module!
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General Diagnosis
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on October 11, 2018
Professional grade scanner IS required to communicate with the transfer case control module!
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