ASJstinger
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- Oct 7, 2021
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Recently, my JB4 has been making the check engine light come on whenever its on any map besides map 0. The check engine light goes away after about a day or 2 with the tune off on map 0 but will come back on after i change the map. Its also not reading any information on the gauges in the app so its not getting any info to record any logs. has anyone had this problem or have any idea on how to fix it?

