Hi,
It is possible but I am not finding this exact harness that would require to remove the engine. However, this is the reason that the OEM came out with the TSB attached. They are stating that you can just replace the connectors rather than replacing the entire harnesses. Note the first part of the TSB.
I would suggest showing this to the garage and see if they can replace just the connector.
Let me know if you need more info.
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Thursday, July 25th, 2019 AT 6:32 PM