fault code 2881 DTCs is the Cummins ISX11.9 CM2250 troubleshooting document for Aftertreatment Fuel Pressure Sensor – Data Valid But Below Normal Operational Range – Least Severe Level (SPN 3480, FMI 17). This 11-page factory guide explains the circuit, the conditions that set the code, and the guided repair steps used with the INSITE electronic service tool. The aftertreatment fuel pressure sensor is used to monitor the fuel pressure into the aftertreatment system.
Official document details
| Brand | Cummins |
| Model coverage | ISX11.9 CM2250/ISX15 CM2250 |
| System / group | ISX11.9 CM2250 (2010-12) / DTCs |
| Fault code | 2881 (PID S332) |
| SPN / FMI | 3480 / 17 |
| Warning lamp | None |
| Bulletin number | 2883445 |
| Revision | Last modified 11-Jun-2010 |
| Pages | 11 |
| File size | 0.2 MB |
| Format | |
| Language | English |
fault code 2881 DTCs table of contents
- Overview and circuit description
- Component location
- Conditions for running the diagnostics
- Conditions for setting the fault code
- Action taken when the fault code is active
- Conditions for clearing the fault code
- Shop Talk and possible causes
- Associated procedures table
- Guided troubleshooting steps
Applicable truck models
This troubleshooting procedure applies to Cummins ISX11.9 CM2250/ISX15 CM2250 engines. The aftertreatment fuel pressure sensor is located in the aftertreatment fuel shutoff manifold. The document states the code is set when aftertreatment fuel pressure is less than 300 kpa [43.5 psi] for more than 15 seconds. When the code is active, no dashboard warning lamp is commanded on for this information fault code. Full specifications and procedure references are published by Cummins on the Cummins official website.
Who needs this fault code 2881 DTCs manual
Diesel technicians and workshop owners diagnosing Data Valid But Below Normal Operational Range – Least Severe Level on ISX11.9 CM2250 engines need this reference. Possible causes documented in the Shop Talk section include plugged or restricted aftertreatment fuel supply line, plugged or restricted aftertreatment fuel shutoff manifold, plugged or restricted pressure side fuel filter, malfunctioning fuel pump gear pump. The guide walks through each guided step and the INSITE electronic service tool tests required to validate the repair and clear the code.
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