10-31-2024, 11:35 AM
(This post was last modified: 10-31-2024, 11:47 AM by zhaoshi8848.)
My car is XC90 T8 2022late, The original car have no drive mode knob, and i change the hardware including DRIVE MODE KNOB (pic 1), and use orbit changing item 057, from "03 with glass bottom switch in CSD "to "02 with drive mode switch ", and item 452, from "01 no drive mode knob/switch" to "02 with drive mode knob/switch/regulator "(pic2), after loading these two settings ,there is a SUM fault light in the driver screen (pic 3), What is the problem?