Hatz Spn 20221 Fmi 11 Engine Fault Code
Check the description and cause :Spn 20221 Fmi 11 Reason
ECU
Spn 20221 Fmi 11 Cause
ECU Internal Fault
Spn 20221 Fmi 11 Description
"Diagnostic fault check to report errors in query- /response-communication"