Today after fueling I opened the cab door to find both the check engine light flashing and the red stop engine light flashing I called the companies mechanic who told me to park the truck shut it down shut the batteries off and then start it back up again and see what happens lights went off then I drive from Chicago to Indy and the check engine light is back on here are the codes from the dash.
DIAG 01
FAIL 02
ECU 0
SPN 171
any help would appreciated
2013 cascadia day cab diag 01
Discussion in 'Freightliner Forum' started by dfdsuperduty, Oct 10, 2013.