Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
Hi my name is ***** ***** I will be happy to assist with this today.In some cases I may need more info to assist better.I apologize for any delay.
Have you had the fault codes read out/checked at all using a compatible scan tool that will plug in and communicate with all computers in your model here?
Let me know so we can continue,thanks Pete.
Yes,you can come back here when your ready any time.
The 4wd light on indicates a component at fault with the 4wd systems.This can be an actuator,switch or sensor at fault as I have seen before.Having the fault codes checked using a fully compatible scan tool will let you know what components are setting codes and will help diagnose to which component needs replaced or repaired.The check engine light may be related to the 4x4 fault as well and it may just be one code needing diagnosed and repaired.It is possible for 2 separate faults here with the 4x4 issue as well as the check engine light with an engine sensor or component at fault needing replaced as well.If you can get the codes from ALL computers and post any codes set here this will help.
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