I have a 2015 Grand Cherokee it has a service 4 wheel drive that flashes on for a second and then the traction control light comes on. It has the 2 speed transfer case with 3.6. if I could get some help with where to start looking. Code U0403-00 thanks for the help.
Engine121mpo
While you are waiting for someone to jump in here here's the search results for U0403-00. U0403-00 is the ABS module complaining about implausible data coming from the DriveTrain Control module (over the CAN bus).
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