These Commonly fail with an Overdrive circuit or intermittent or no Start depending on the failure
This Repair process involves stripping all the conformable coating from the PCB board using a hot chemical bath, then all the electro caps get removed repairing any track damage that's been caused by the leaking caps, then replacing all the caps with the same or Higher spec units, Re-coat the ECU in a clear protective coating, Oven Bake and reassemble