Group 28 Engine Control Module (ECM) Diagnostic Trouble Codes (DTCs) ECM SPN 629, Electronic Control Unit (ECU) 1 – MID 128 SID 254 ECM SPN 630, Calibration Memory – MID 128 SID 253 33 FMI 12 • Bad intelligent device or component • Error on code-part of flash RAM or erased vendor area • Red engine shutdown lamp illuminated • Nothing functions • Engine Control Module (ECM) software • Engine Control Module (ECM) FMI 14 • Special instructions • VIN not loaded yet • Flashing MIL • Engine will not start • VIN missing Type of fault: FMI Description: Fault Condition: Possible Symptoms: Possible Cause:
FMI 8 • Abnormal frequency or pulse width or period • Self test failure • Red engine shutdown lamp illuminated • Not possible to program Engine Control Module (ECM) • Engine Control Module (ECM) FMI 12 • Bad intelligent device or component • Self test failure • Red engine shutdown lamp illuminated • Engine will not start • Engine Control Module (ECM) Type of fault: FMI Description: Fault Condition: Possible Symptoms: Possible Cause: FMI 2 • Data erratic, intermittent or incorrect • Check sum error • Red engine shutdown lamp illuminated • Engine will not start • Engine Control Module (ECM) software