Group 28 Engine Control Module (ECM) Diagnostic Trouble Codes (DTCs) “ECM SPN 188, Engine Speed At Idle, Point 1 (Engine Configurations) – MID 128 PID 188”, page 26 “ECM SPN 190, Engine Speed – MID 128 PID 190”, page 27 “ECM SPN 228, Speed Sensor Calibration – MID 128 PID 228”, page 27 “ECM SPN 237, Vehicle Identification Number – MID 128 PSID 161/162”, page 27 “ECM SPN 245, Total Vehicle Distance MID 128 PID 245”, page 28 “ECM SPN 251, Time – MID 128 PID 251”, page 28 “ECM SPN 252, Date – MID 128 PID 252”, page 29 “ECM SPN 411, Engine Exhaust Gas Recirculation Differential Pressure – MID 128 PID 411”, page 29 “ECM SPN 412, Engine Exhaust Gas Recirculation Temperature – MID 128 PID 412”, page 30 SPN 500–999 “ECM SPN 558, Accelerator Pedal 1 Idle Validation Switch MID 128 SID 230”, page 31 “ECM SPN 626, Intake Air Heater (IAH) Relay – MID 128 PID 45”, page 32 “ECM SPN 628, Program Memory MID 128 SID 240”, page 32 “ECM SPN 629, Electronic Control Unit (ECU) 1 MID 128 SID 254”, page 33 “ECM SPN 630, Calibration Memory – MID 128 SID 253”, page 33 “ECM SPN 631, Calibration Module MID 128 PSID 77/PSID 124”, page 34 “ECM SPN 633, Engine Fuel Actuator 1 Control Command MID 128 SID 18”, page 34 “ECM SPN 636, Camshaft Position Sensor (CMP) – MID 128 SID 21”, page 35 “ECM SPN 637, Crankshaft Position Sensor (CKP) – MID 128 SID 22”, page 36 “ECM SPN 639, SAE J1939 Data Link 1 MID 128 SID 231”, page 37 “ECM SPN 641, Engine Variable Geometry Turbocharger (VGT) Actuator 1 – MID 128 SID 27”, page 37 “ECM SPN 642, Engine Variable Geometry Turbocharger (VGT) Actuator 2 – MID 128 PPID 89”, page 38 “ECM SPN 647, Engine Fan Clutch Output Device Driver – MID 128 SID 33”, page 38 “ECM SPN 651, Engine Injector Cylinder 1 – MID 128 SID page 39 “ECM SPN 652, Engine Injector Cylinder 2 – MID 128 SID page 40 8