Group 28 Engine Control Module (ECM) Diagnostic Trouble Codes (DTCs) ECM SPN 1127, Engine Turbocharger Intake Manifold Pressure (IMP) MID 128 PSID 98 47 Type of fault: FMI Description: Fault Condition: Possible Symptoms: Possible Cause:
FMI 0 • Data valid but above normal operational range • Engine Turbocharger boost pressure is too high • MIL illuminated (13L engine only) • Turbocharger surge • EGR system failure • Faulty Turbocharger oulet pressure sensor FMI 1 • Data valid but below normal operational range • Engine Turbocharger boost pressure is too low • MIL illuminated (13L engine only) • Engine derate • Engine slow to respond • Air leak in turbocharger hoses, pipes, brackets, cooler or components • EGR system fault FMI 10 • Abnormal rate of change • Poor Engine Turbocharger boost pressure response • MIL illuminated • Engine power loss/re- sponse/drivability • Turbocharger inlet air system leak • Faulty Turbocharger FMI 11 • Root cause not known • Variable Geometry Turbocharger control mode fault • MIL illuminated • Variable Geometry Turbocharger fault FMI 13 • Out of calibration • Variable Geometry Turbocharger control mode adjustment exceeded • Engine power loss/re- sponse/drivability • Air leak in turbocharger hoses, pipes, brackets, cooler or components • EGR system fault • Faulty Turbocharger oulet pressure sensor • Exhaust back pressure too high FMI 14 • Special instructions • Poor Engine Turbocharger boost pressure response • MIL illuminated • Air leak in turbocharger hoses, pipes, brackets, cooler or components • Variable Geometry Turbocharger fault • Oil pressure fault FMI 16 • Data valid but above normal operating range - Moderately severe level • Engine Turbocharger boost pressure is too high • MIL illuminated (13L engine only) • Turbocharger surge • EGR system failure • Faulty sensor FMI 18 • Data valid but below normal operating range - Moderately severe level • Engine Turbocharger boost pressure is too low • MIL illuminated (13L engine only) • Engine derate • Engine slow to respond • Air leak in turbocharger hoses, pipes, brackets, cooler or components • EGR system failure