Hi, If I was you, I should check and run a quick analysis on the nearset shop for chevrolet, in order not to cause any futher damage. I looks to me that, one of the sensors telling the gearbox positions is failing. Good Luck from the workshop.
Hi!I`ve got problem with my Chevrolet Transsport 2002.First failure code is:1825-mode switch invalid range.None of the gear possition lamp is alight.I`ve check plugs,ground,fuses,nothing change!Second failure code is:1826-internal mode switch circuit high voltage.Because of that changing gears very hard. How can i fix it.If You have some pictures,drawings,videos,whatever,thanks.Only professionals answers please.Best regards.Mietek.