Group 28 Engine Control Module (ECM) Diagnostic Trouble Codes (DTCs) ECM SPN 2003, Transmission Control Module (TCM) Status MID 128 PSID 205 ECM SPN 2017, Cruise Control Status – MID 128 PID 85 ECM SPN 2029, Invalid or Missing Data from Vehicle ECU – MID 128 PSID 201 52 FMI 11 • Root cause not known • DEF tank level low (driver warning) • Low DEF fluid lamp illuminated • N/A FMI 14 • Special Instructions • DEF tank almost empty (driver warning) • Low DEF fluid lamp illuminated • No Aftertreatment Diesel Exhaust Fluid (DEF) dosing • N/A FMI 18 • Data valid but below normal operating range - Moderately severe level • DEF tank almost empty (driver warning) • Low DEF fluid lamp illuminated • No Aftertreatment Diesel Exhaust Fluid (DEF) dosing • N/A Type of fault:
FMI Description: Fault Condition: Possible Symptoms: Possible Cause: FMI 9 • Abnormal update rate • Missing signal from Transmission Control Module (TCM) • N/A • Data link error Type of fault: FMI Description: Fault Condition: Possible Symptoms: Possible Cause: FMI 9 • Abnormal update rate • Missing (Cruise Control) signal from VECU • Cruise Control does not work • No clutch information to Engine Control Module (ECM) from SAE J1939 data link Type of fault: FMI Description: Fault Condition: Possible Symptoms: Possible Cause:
FMI 8 • Abnormal frequency or pulse width or period • No contact with VECU • Yellow electronic malfunction lamp illuminated • PTO, engine compression brake and cruise control do not work • Faulty harness FMI 9 • Abnormal update rate • Missing signal from cluster • MIL illuminated (13L engine only) • Faulty harness