05 RAM 2500 3500 5.9L w TTVA DIESEL ECU ECM ENGINE COMPUTER 3975243 REBUILT

  • $1,329.99
    Unit price per 


Product Description

Part Number

3975243 or 25325353 - YOU MUST MATCH THIS!

These ECMs do require programming and are not plug and play.

Fitment/Interchange

    This ecu will interchange or replace the following vehicles:
  • 2005 Dodge Ram 5.9L diesel models with a transmission throttle valve actuator (TTVA) and the 48RE Transmission. Please match your part number!

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 failures with this style ecu have been repaired
  • ECU powered up and has communication!
  • ECU Injector high side drivers
  • ECU Wastegate control
  • ECU alternator control
  • ECU intake heater
  • ECU Injector drivers and more!

Item Condition

  • Mounting points are all open and intact
  • Pins perfect, none are broken or bent
  • Lock tabs in place

Programming / PATS Security

For Plug and Play you must do the following three steps:

Step 1: Match your part number per above fitment/interchange notes

Step 2: Program ecu to your VIN. You will need your local mechanic, Dodge dealer or properly equipped locksmith to program your VIN into the ecu. Without doing this you will get a "no start" condition. 

Warranty / Optional Core Return

This ECM comes with a 3 month warranty from the date of purchase. Please keep a copy of your purchase record which we will send with your item.

Optional Core Program: You do not need to ship your core back but if you do the $100 shipping will be refunded. We will include a prepaid return label with your order.