Cummins ISB CM550 (1990-94) Fault Code: 517 PID: 252 SPN: FMI: Fuel Pump Valve Feedback Error
Circuit Description
A mechanically stuck fuel control valve has been detected by the pump controller.
Component Location
The fuel pump is located on the backside of the gear housing.
Shop Talk
This fault is typically set when a fuel pump beginning of injection point error (bit 10) is
recognized at engine speeds of more than 700 rpm and commanded fueling of more than 20
mm³ for two seconds at a battery voltage of 9 VDC. In most instances, Fault Code 517 will occur in conjunction with Fault Code 363. The same diagnostic steps can be applied. The fault code can also be triggered by electrical noise,
voltage feedback on ground loop, or high fuel return line restriction.
Related products
-
-
Allison 1000 & 2000 Gen 4 Fault Codes: P0870 Transmission Pressure Switch Solenoid E Circuit
1000 & 2000 Gen 4 $50.00 -
-
Allison 1000 & 2000 Gen 4 Fault Codes: P2773 Torque Control Request Ignored – ECM/TCM
1000 & 2000 Gen 4 $50.00 -
Allison 1000 & 2000 Gen 4 Fault Codes: P0218 Transmission Fluid Over Temperature Condition
1000 & 2000 Gen 4 $50.00 -
-
-
-
Allison 1000 & 2000 Gen 4 Fault Codes: U1300 J1850 (Class 2) Serial Data Communication Link Low
1000 & 2000 Gen 4 $50.00 -
-
-
Allison 1000 & 2000 Gen 4 Fault Codes: P0123 Pedal Position Sensor Circuit High Voltage
1000 & 2000 Gen 4 $50.00 -
Bendix ABS EC-30 Fault Code: SID 251 FMI 3
Bendix ABS -
Allison 1000 & 2000 Gen 4 Fault Codes: P1688 Unmanaged Engine Torque Delivered To TCM Signal
1000 & 2000 Gen 4 $50.00 -
