2003 jetta while driving it shuts off motor ABS light flash on with ESP light on 2003 Volkswagen Jetta

car automatically restarts but usually will does it three times then will go for thirty minutes then will repeat. I have had two different VW shops try to find problem no luck. dealership wants to change out ABS module at $$$$$.

Asked by for the 2003 Volkswagen Jetta
Hard to diagnose over the internet but ignition switch is fairly common.