The Cummins fault code 2813 troubleshooting document is a 2-page factory diagnostic reference for the Cummins ISM and ISX CM871 (2007-09) engine platform, covering EGR valve control regeneration (SPN 2791, FMI 14). This is an information-only fault code triggered when the EGR valve is closed during an active regeneration of the aftertreatment diesel particulate filter. This page summarises what the manual contains so a technician can confirm it matches the code before downloading.
Official document details
| Brand | Cummins |
| Model coverage | ISM & ISX CM871 (2007-09) |
| System / group | ISM CM871 (2007-09) / DTCs |
| Circuit | ISX and ISM Aftertreatment System |
| Fault identifiers | SPN 2791 · Lamp AMBER · FMI 14 |
| Source | TruckFaultCodes.com (© 2017) |
| Pages | 2 |
| File size | 0.1 MB |
| Format | |
| Language | English |
Cummins fault code 2813 overview
This is an information-only fault code triggered when the EGR valve is closed during an active regeneration of the aftertreatment diesel particulate filter. Closing the EGR valve raises exhaust temperature and speeds up regeneration; no aftertreatment failure has occurred and no troubleshooting is required. Verify the ECM calibration is correct.
The document lists possible causes including:
- The EGR valve closed during an active diesel particulate filter regeneration
- Exhaust temperature raised to speed up regeneration
- No aftertreatment failure — information only, no repair needed
Document table of contents
- Description
- Shop Talk
- Component Location
- Troubleshooting Steps
Applicable truck models covered
This procedure applies to Cummins ISM and ISX engines built on the CM871 (2007-09) electronic control platform, as fitted by truck makers using this Cummins driveline. The aftertreatment system is in the exhaust; diesel particulate filter location varies by OEM. For wiring, connector, and CPL detail, refer to the Cummins official engine support site or the OEM service manual.
Who needs this Cummins fault code 2813 manual
Fleet technicians and workshop owners diagnosing EGR valve closure during regeneration on ISM or ISX CM871 engines use this reference to follow the factory step order instead of guessing at the diesel particulate filter circuit. The full PDF is available in the DiagTechPro manuals library, and a free account is required to download.
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