03-05 Honda Accord 4 Cylinder Application Guide
KTuner complete ECU package for the 2003-2005 Accord 4 cylinder chassis. This ECU package includes our KTuner 03-05 Accord ECU with a fully installed and tested complete KTuner End User System. You will not find a better solution for tuning your 03-05 4 cylinder Accord.
KTuner reflash for 03-05 Honda Accord. You MUST use an 05 Honda Accord 4 cylinder ECU/PCM for this application. The 2003 and 2004 ECU/PCM will not work. The 2005 ECU/PCM will plug directly into 03-04 models without any other changes.