Try this, it has worked on some of the newer cars. Find the traction control fuse. Turn off car, pull fuse and then turn on without starting. If light goes out turn off and replace fuse and restart to running. If light stays out a reset successful if not continue your search.
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Larry K
ASE Certified
58 Jag MK 1 (under SLOW restoration, since 99)(33 yrs.)
96 Discovery 4.0 series 1 (10 yrs)
03 MINI Cooper S (modified for SCCA competition)(6 yrs)
07 Ford F150 4X4