2005 CAT Freightliner check engine light
A while back I posted my CE light had flashed a few times. It was suggested the coolant tank was low. It was. I topped it off and the light never came on again over several trips. Today it came on a...
Forum Discussion
To the fifth wheel owner and the Gasoline motorhome owner:
Diesel RV's (At least the medium/ large Cummins/Cat/Detroits) don't have OBDII ports. They have proprietary Manufacturer diagnostic ports and proprietary manufacturer diagnostic software in order to read the ports.
The light duty Cummins 6.7 that some diesel RVs use may have an OBDII port due to being used in Dodge Ram pickups.
My RV has a Caterpillar diagnostic port. This diagnostic port takes a special diagnostic port to serial converter that plugs into a Diesel Mechanics laptop.
Even if you were somehow able to acquire this converter, you still need a software called Cat ET in order to read the information and/or program computer.
This software costs many thousands of dollars. There are some third party softwares like "scanguage for diesels" but reviews are generally poor and they mostly are just useful for displaying info like Transmission temps, etc.
Diesel RV's (At least the medium/ large Cummins/Cat/Detroits) don't have OBDII ports. They have proprietary Manufacturer diagnostic ports and proprietary manufacturer diagnostic software in order to read the ports.
The light duty Cummins 6.7 that some diesel RVs use may have an OBDII port due to being used in Dodge Ram pickups.
My RV has a Caterpillar diagnostic port. This diagnostic port takes a special diagnostic port to serial converter that plugs into a Diesel Mechanics laptop.
Even if you were somehow able to acquire this converter, you still need a software called Cat ET in order to read the information and/or program computer.
This software costs many thousands of dollars. There are some third party softwares like "scanguage for diesels" but reviews are generally poor and they mostly are just useful for displaying info like Transmission temps, etc.
