Detroit Diesel
Detroit DD13 EPA07 (2007-09) Fault Code: SPN 656 FMI 14 (MCM) Injector Cylinder #6 Needle Control Valve Abnormal Operation
Posted by PerDiezel Solutions on
PROBABLE CAUSES:1. Drain the fuel filter module by removing the fuel filters or opening the drain valve. Hand tighten the drain plug and prime the fuel filter with the hand pump. If code doesn’t come back, problem solved.2. Reset the water in fuel indicator.3. Failed water in fuel sensor.4. Water in fuel sensor connector/harness.
Detroit DD13 EPA07 (2007-09) Fault Code: SPN 677 FMI 14 (MCM, CPC) Electronic Starter Fault or Motor Control Module Internal Failure
Posted by PerDiezel Solutions on
NOTE: Please see the step by step troubleshooting procedures for this specific code. NOTE: If active and engine starts, re-start the engine 3 times. If fault doesn’t come back, clear the codes and return vehicle. NOTE: If active, the failure is probably a failed MCM (Engine ECM).
Detroit DD13 EPA07 (2007-09) Fault Code: SPN 677 FMI 18 (MCM, CPC) Starter Relay – Low Resistance
Posted by PerDiezel Solutions on
NOTE: Please see the step by step troubleshooting procedures for this specific code. PROBABLE CAUSES:1. Starter relay.2. Starter relay wiring.
Detroit DD13 EPA07 (2007-09) Fault Code: SPN 677 FMI 2 (MCM, CPC) Low or No Voltage for the Starter Switch
Posted by PerDiezel Solutions on
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 677 FMI 3 (MCM, CPC) Engine Starter Relay Shorted to High Source
Posted by PerDiezel Solutions on
NOTE: Please see the step by step troubleshooting procedures for this specific code. PROBABLE CAUSES:1. Starter relay.2. Starter relay wiring.
