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Detroit DD13 EPA07 (2007-09) Fault Code: SPN 677 FMI 2 (MCM, CPC) Low or No Voltage for the Starter Switch

NOTE: Please see the step by step troubleshooting procedures for this specific code.

PROBABLE CAUSES:1. If 677-2 inactive, clear the code, start the engine, and if it doesn’t come back release the vehicle.2. Wiring on the MCM 21-pin connector between pin 20 and ground. Should have 11.5 or more volts.3. Wiring on the CPC connector #1 between pin 18 and ground. If less than 11.5 Volts, repair wiring.

Detroit DD13 EPA07 (2007-09) Fault Code: SPN 656 FMI 14 (MCM) Injector Cylinder #6 Needle Control Valve Abnormal Operation
Detroit DD13 EPA07 (2007-09) Fault Code: SPN 655 FMI 14 (MCM) Injector Cylinder #5 Needle Control Abnormal Operation
Detroit DD13 EPA07 (2007-09) Fault Code: SPN 654 FMI 14 (MCM) Injector Cylinder #4 Needle Control Valve Abnormal Operation
Detroit DD13 EPA07 (2007-09) Fault Code: SPN 653 FMI 14 (MCM) Injector Cylinder #3 Needle Control Valve Abnormal Operation
Detroit DD13 EPA07 (2007-09) Fault Code: SPN 652 FMI 14 (MCM) Fuel Injector #1 Needle Control Valve Abnormal Operation
Detroit DD13 EPA07 (2007-09) Fault Code: SPN 651 FMI 14 (MCM) Fuel Injector #1 Needle Control Valve Abnormal Operation