tcm

Hello all. So I know we are very limited with tuning options. But I have a very well know tuner who is willing to give us an opportunity to have our cars tuned here in the states. I will need as many 5.0 and 4.6 gen owners to chime in here so that he knows it's worth his time cracking the Ecu...

Have any of you guys had your tcm updated on your r specs? If so did it help shift points etc? I had a 4.6 and after I got the tcm updated my shift point where much better. That car did not lag as much and would up shift sooner. I'm thinking of calling the dealer to get my car checked out for...

TCM is in constant communication with the control system's components (sensors and solenoids). If an abnormal signal is received for longer than the predefined duration, TCM recognizes a fault, stores the fault code in memory, and then sends out a fault signal through the self-diagnosis...

I was combing through the hmaservice.com website and took a look at the ECU upgrades section. It listed all the ECU upgrades releases for various Hyundai cars. Here are the upgrades I saw for the Genesis (sorted by the most recent): #178 BH 3.8 ECM UPDATE #148 BH 4.6 ECM Update (DTC...