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Had a service 4wd message pop up on my 2017 1500 silverado with 5.3L. All 4x4 selections seem to work and no codes come up on my code reader. Anyone know the issue or have similar issues? 

Thanks in advance 

Posted
On 10/25/2023 at 2:21 AM, Cd264 said:

Had a service 4wd message pop up on my 2017 1500 silverado with 5.3L. All 4x4 selections seem to work and no codes come up on my code reader. Anyone know the issue or have similar issues? 

Thanks in advance 

 

 

Get a better code reader.  Transfer case codes are "C" codes not "P" codes.  Most basic code readers can't read past ECM, TCM, ABS and Airbag.  You need something that can read all modules.    

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