I have a E300TD. It had been sitting covered for several years. The engine would crank but would not start. Ever heard of all six glow plugs going bad at once. Anyway, the car will start now but it has a P0702 code, TCM issue. Using a scanner with a 38 pin adaptor, I checked the TCM. I get a Component N15/3(ETC[EGS] control module) is defective. Anybody know what this is? What I have seen online is, oil leaking into the TCM. The TCM on this car is in the box with the ECU. does it mean oil leaking around the conductor plate adapter. No oil leaking on the driveway. Any insight is much appreciated.