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Cummins Engines · 322
Injector Solenoid Driver Cylinder 1 Circuit Open

What this code means

Injector Solenoid Driver Cylinder 1 Circuit - Current Below Normal or Open Circuit

Applies to: ISX CM871 (2007-2010).

Possible causes / checks (from the source)

SPN 651, FMI 5; Lamp: Amber

Need the part?

If diagnosis points to a failed sensor, solenoid, controller or harness part, send us the code (322), machine model and serial number — we quote genuine and OEM replacement parts for export.

Source: Diesel Service Parts — Cummins ISX CM871 fault code list; cross-checked vs Cummins Engine Fault Code List (Scribd). Cross-checked in two independent sources. Compiled 2026-10-30. No manufacturer affiliation.