99 DODGE RAM 1500 2500 5.9L A/T ECU ECM PCM ENGINE COMPUTER 56040143AH TESTED

56040143AH

ECU has NO security

ECU has Federal emissions

We offer FREE programming, see details below!

This ecu will interchange or replace the following part numbers that have the same security as described above:

56040143AA
56040143AB
56040143AC
56040143AD
56040143AE
56040143AF
56040143AG
P56040143AH
R6040143AH
56040143

ECU has been tested with our state of the art vehicle simulator which tests over 25 circuits of the ECU! Some of those are listed below:
• Reference Voltage Good!
• ECU powered up and has communication!
• ECU fuel pump/main relay test good!
• ECU injectors/coils test good and much more!  

• Disconnect the negative terminal of the battery. Make sure the battery connector is not touching the battery post.
• Disconnect and remove the module to be replaced.
• Install and connect the replacement module.
• Connect the negative terminal of the battery.
• See "Programming" below for additional install instructions. 

For Plug and Play you must follow the below three steps:

Step 1: Match your part number series per above fitment guide

Step 2: Match your ecu security. The security for this ecu is listed above. Chrysler/Dodge have 4 levels of security as follows:
               A - No Security - You will generally have oem black ignition keys or unchipped keys.
               B - SKIM Security - You will generally have oem grey ignition keys or chipped keys.
               C - VTSS Security - You will have a flashing/blinking light on your speedometer when the vehicle is turned off and the doors locked.
                      It will usually blink for roughly 20 seconds.
               D - SKIM VTSS - In rare cases you will have both SKIM and VTSS

Step 3: Program ecu to your VIN and mileage. We provide free programming for our customers. During checkout you must list your VIN and mileage in the "Notes to Seller" for us to program the ECM. If we do not hear from you through the order notes or a message through eBay we will assume your mechanic is performing the programming (no problem at all) and we will ship the ECM out the next business day as directed by eBay.

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

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: If you would like to send your ecu back to us for a $20 partial refund let us know in the "notes to seller" box during checkout. We will include a prepaid return label with your order. It's that simple! Once the ecu is received we will issue your refund promptly.