We are the #1 remanufacturer and distributor of top quality new & remanufactured automotive engine control modules (ECM's) also known as electronic/engine control units (ECUs) or engine control computers(ECC). We also deal on transmission control units (TCU's, TCM's, TCC's) for all domestic & import vehicle applications. Remanufactured and New OEM products are available from AUTO ECM ECU. We repair ECM, ECU and ECCs. CHEVROLET ECM, CHEVROLET ECU, CHEVROLET ECC, CHEVROLET computer is brought to you by Auto ECM ECU.