Group 28 Engine Control Module (ECM) Diagnostic Trouble Codes (DTCs) ECM SPN 5285, Charge Air Cooler (CAC) Temperature – MID 128 PID 52 ECM SPN 5298, Aftertreatment Diesel Oxidation Catalyst (DOC) Conversion Efficiency MID 128 PSID 99 84 Type of fault: FMI Description: Fault Condition: Possible Symptoms: Possible Cause:
FMI 7 • Mechanical system not responding properly • Boost temperature too high • MIL illuminated (13L engine only) • Air flow through charge air cooler (CAC) too low • Charge air cooler (CAC) FMI 18 • Data valid but below normal operating range • Boost temperature too high • MIL illuminated (13L engine only) • Air flow through charge air cooler (CAC) too low • Charge air cooler (CAC) Type of fault: FMI Description: Fault Condition: Possible Symptoms: Possible Cause:
FMI 7 • Mechanical system not responding properly • Hydrocarbon conversion is too low in the Diesel Oxidation Catalyst (DOC) • MIL illuminated • Catalyst failure • DOC temperature sensor FMI 18 • Data valid but below normal operating range - Moderately severe level • Hydrocarbon conversion is too low in the Diesel Oxidation Catalyst (DOC) • MIL illuminated • Catalyst failure • DOC temperature sensor