GMC Troubleshooting Questions? Ask a Mechanic for Answers
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.
Is or has the check engine light come on with this fault here at all or have you had the fault codes checked at all?
Let me know so we can continue,thanks Pete.
I apologize for the delay.
Are all of these codes setting when the fault happens or is one code in particular setting when this fault occurs?
What has the dealer and transmission guy checked,tested or replaced for this issue here?
I know in some cases depending on the fault a shop or dealer will not be able to diagnose the fault until it occurs again unfortunately.Trying to diagnose it when it isnt acting up will end up showing everything is o.k. so this is most likely why they want you to drive it until it acts up again.
Do you know if the same fault codes are still coming up now or is it acting up now at all?