12666658 Equinox or Terrain 2013 ecm ecu computer **TESTED** Transmission control module The part # is MEC900-020

The part # is MEC900-020

The part # is E73F-12A650-J1A

The part # is B6B1 18 881B

Stock # 4E6

The part # is 31036 2L900

12666658 Equinox or Terrain 2013 ecm ecu computer **TESTED** Transmission control module The part # is MEC900-020MAKE SURE YOUR PART NUMBER MATCHES BEFORE ORDERING!!! This is a good tested ecm or engine computer for a 2013 Chevy Equinox or GMC Terrain. The part # is 12666658. It comes with a 90 day warranty. Make sure your part number matches before ordering. Computer may need to be reprogrammed to your vehicle. Programming may be available for an additional charge. Stock # M31 FREE SHIPPING IN THE UNITED STATES INCLUDING PUERTO RICO MAKE SURE YOUR PART NUMBER