How to Replace a PCM ECM ECU (Engine Computer) on 2003 Dodge Caravan 3.3L Post category:Auto News/Dodge/Featured/How-To/Repair Manuals Post comments:0 Comments How to replace an engine computer on 2003 Dodge Caravan. Continue ReadingHow to Replace a PCM ECM ECU (Engine Computer) on 2003 Dodge Caravan 3.3L