It depends on what the actual code is. There are multiple codes that can mean anything from the ECU needs to be updated to the ECU has to be replaced. As for the codes showing up on their machine but not the onboard, that is common, the onboard doesn't show all of the possible codes the vehicle can have. However the better option would be to have a different place scan the vehicle, then post all of the codes they show, along with any the onboard display shows and we can proceed from there, there are many different troubleshooting options but to get on target the codes are needed.
Is the check engine light on now? If so what codes does the onboard show?
Any issues driving it?
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Tuesday, January 5th, 2021 AT 12:04 PM