Cummins ISM Code 223 documents the Burn Valve Solenoid Circuit diagnostic and troubleshooting procedure for the Cummins ISM CM570 (1999-02) engine platform. This 7-page fault code sheet from TruckFaultCodes.com (Copyright 2017) covers fault code 223 (PID S085, SPN 1265, FMI 4/4, YELLOW lamp) and the checks used to confirm and clear it.
Official document details
| Brand | Cummins |
|---|---|
| Model coverage | ISM CM570, ISX CM570, Signature CM570 (1999-02) |
| System / Group | Diagnostic Trouble Codes (DTCs) |
| Fault code | 223 — PID S085, SPN 1265, FMI 4/4 |
| Warning lamp | YELLOW |
| Pages | 7 |
| File size | 0.4 MB |
| Format | |
| Language | English |
Document table of contents
- Circuit description
- Component location
- Shop talk
- Troubleshooting steps
- Fault code verification and clearing
Cummins ISM Code 223 diagnostic steps
The burn valve solenoid controls the flow of oil into the fuel drainline during the burn cycle. The seven-page procedure inspects the solenoid connector and engine harness pins for damage, measures solenoid resistance, and checks the supply circuit for open circuits and shorts to ground. Technicians isolate whether the harness, connector, or solenoid is at fault before restarting the engine and clearing the code with the diagnostic tool.
Applicable truck models
This sheet applies to Cummins ISM CM570, ISX CM570, and Signature CM570 (1999-02) engines built around the CM570 ECM and the burn valve solenoid. The burn valve solenoid is on top of the oil control valve, low on the left side of the engine below the fuel delivery housing. The document is laid out with a circuit description, a component location note, shop-talk tips, and a step-by-step troubleshooting chart whose go-to branches route the technician through each measurement. Refer to the official Cummins engine support site for wiring diagrams and component part numbers.
Who needs this Cummins ISM Code 223 manual
Heavy-duty diesel technicians, fleet service teams, and owner-operators diagnosing a yellow-lamp burn valve solenoid fault will use this sheet to follow the factory decision tree, confirm the reading, and repair the harness, connector, or component instead of replacing parts on guesswork. It spells out each measurement threshold and its pass or fail branch, so the fault can be verified active, the repair validated, and the inactive code cleared with the diagnostic tool.
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