I use AlfaOBD with a cheapy dongle which is many years old, which surprisingly reads everything so far but not much help with a J Scan, Jeepers6 plays with one so he may chime in soon....................
Depending on the module as you may not have it fitted as some models and management units/software are year dependent......
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2015 WK2 CRD Laredo( ZG, WG 2.7 )
Your Never Too Old To Learn Something Stupid.
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