Hello I have 2018 jeep Grand Cherokee 4wd but ECU in car is 2WD, so car starts but 4wd and fan won't work. I know best solution is to flash ECU online but I don't have Jeep/ Chrysler OEM software so is there any other way to go about it I have passthrough interfaces
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JEEP GRAND CHEROKEE ECU FLASH
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07-24-2025, 05:10 PM
(07-24-2025, 04:36 PM)nchafuan Wrote: Hello I have 2018 jeep Grand Cherokee 4wd but ECU in car is 2WD, so car starts but 4wd and fan won't work. I know best solution is to flash ECU online but I don't have Jeep/ Chrysler OEM software so is there any other way to go about it I have passthrough interfaces
Hi if you have passthrough set up a account with witech 2 and folow there instruction on how to set up passthrough you will need three subs to do programing.
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