Cummins Fault Code 455: Fuel Control Valve Circuit - shorted high

Code details

Manufacturer

Cummins

Applies to

Cummins QS-series electronic engines

Fault code

455

J1939 SPN

633

FMI

3 — Voltage above normal, or shorted to high source

J1587 PID / SID

S018

Engine models

QSK19, QSK23

QSK45/60/78 severity level

QSK45: 2 • QSK60: 2 • QSK78: 2

What to do next

• Treat this as a stop-level fault: shut down safely and get the truck checked before running it further.
• Read active and inactive codes with the OEM service tool and note the occurrence count.
• FMI 3 tells the shop the type of failure to test for: voltage above normal, or shorted to high source.
• Have a heavy-duty diesel technician confirm the fault against the engine or chassis service manual before replacing parts.

Related fault codes

• Cummins Fault Code 276 — Fuel Injection Control Valve Circuit - shorted high
• Cummins Fault Code 277 — Fuel Injection Control Valve - mechanically stuck
• Cummins Fault Code 279 — Fuel Injection Control Valve Circuit - shorted low
• Cummins Fault Code 378 — Fueling Actuator #1 Circuit - open circuit
• Cummins Fault Code 379 — Fueling Actuator #1 Circuit - grounded circuit
• Cummins Fault Code 468 — Fuel Rail Actuator Circuit - data incorrect
• Cummins Fault Code 514 — Fuel Control Valve - mechanically stuck
• Cummins Fault Code 539 — Injector Control Valve Electronic Filter (Transorb) Error