03 DODGE RAM 1500 2500 3500 5.9L ECU ECM PCM ENGINE COMPUTER 56040491AB REBUILT Featured Products GM mad a couple different

GM mad a couple different versions with different inner circuit boards and pin layouts

4L3A-12A650-AFE

D - SKIM VTSS - In rare cases you will have both SKIM and VTSS

* ECU Requires programming and is not plug and play (see notes for free programming below)

03 DODGE RAM 1500 2500 3500 5.9L ECU ECM PCM ENGINE COMPUTER 56040491AB REBUILT Featured Products GM mad a couple differentPart Number 56040491AB ECU has NO security. We offer FREE programming, see details below! Fitment Interchange This ecu will interchange or replace the following part numbers that have the same security as described above: 56040491AA 56040491AB P56040491AB R6040491AB 56040491 Tech Notes ECU has been rebuilt and then tested with our state of the art vehicle simulator which tests over 25 circuits of the ECU! Some of those are listed below: Common