The VSS signal wiring from the ABS system (dark green and white wire) I would think this information is available in the CAN system which is where the NAV system would pick it up. It should be present in the radio/Navi wiring harnesses. Here are the wiring diagrams for the NAV and radio I have found to help you with the job. Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
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Monday, June 27th, 2022 AT 11:05 AM