2002 RAM VAN 1500 3.9L AT ECU ECM PCM ENGINE COMPUTER 56029330 TESTED OEM Climate Controls If your ECU has the

If your ECU has the fan on all the time but you have no communication with the ecu and a no start

R8031668AE

05187317AC

68028166AC

You must also test and verify your abs pump is good

2002 RAM VAN 1500 3.9L AT ECU ECM PCM ENGINE COMPUTER 56029330 TESTED OEM Climate Controls If your ECU has thePart Number 56029330AC 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: 56029330AA 56029330AB 56029330AC 56029330AD 56029330 Tech Notes 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