rossboyer Report post Posted February 15, 2022 What is reasonable cost code reader for the round data port on a 2005 Freightliner chassis with a Caterpillar C-7 engine. I randomly get a Check Engine warning without any further information. Other gauges do not indicate any problem. Share this post Link to post Share on other sites
sstgermain Report post Posted February 15, 2022 I use BlueFire for motorhomes. Can get the dongle on Amazon and use the iphone or android app. There is also scanguage for diesel rigs with the J1939 connector Share this post Link to post Share on other sites
wildebill308 Report post Posted February 16, 2022 (edited) 5 hours ago, sstgermain said: I use BlueFire for motorhomes. Can get the dongle on Amazon and use the iphone or android app. There is also scanguage for diesel rigs with the J1939 connector Will this allow you to clear code's? Bill Edited February 16, 2022 by wildebill308 Share this post Link to post Share on other sites
sstgermain Report post Posted February 16, 2022 32 minutes ago, wildebill308 said: Will this allow you to clear code's? Bill Yes it will. You clear it then you will have to turn off ignition and turn it back on to disappear. Share this post Link to post Share on other sites
wildebill308 Report post Posted February 16, 2022 Good to know. Bill Share this post Link to post Share on other sites
