fault code 2311 DTCs is documented in this official Cummins ISX11.9 CM2250 diagnostic and troubleshooting manual. The 14-page PDF explains the Electronic Fuel Injection Control Valve Circuit – Condition Exists condition on the electronic fuel injection control valve circuit, including the SPN, FMI and PID identifiers a technician reads with the Cummins INSITE electronic service tool.
fault code 2311 DTCs document details
| Brand | Cummins |
| Model coverage | ISX11.9 CM2250, ISB6.7 CM2250, ISC8.3 and ISL9 CM2250, and ISX15 CM2250 |
| System / group | Electronic fuel injection control valve circuit |
| Fault code | 2311 (PID S018) |
| SPN | SPN 633 |
| FMI | FMI 11/31 |
| Warning lamp | Amber |
| Pages | 14 |
| Revision | Last modified 20-Jul-2010 |
| Format | |
| Language | English |
Document table of contents
- Circuit description and 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
Common causes and symptoms
- Fuel pump actuator circuit resistance that is too high or too low
- An intermittent connection in the fuel pump actuator circuit
Applicable truck models and engines
This document applies to the ISX11.9 CM2250, ISB6.7 CM2250, ISC8.3 and ISL9 CM2250, and ISX15 CM2250 engine families running the CM2250 electronic control module. When SPN 633 / FMI 11/31 sets, the engine will run rough with low power. Coverage and part numbers should always be verified against current service data on the Cummins official support site before ordering components.
Who needs this fault code 2311 DTCs manual
Fleet technicians, mobile mechanics and workshop owners use this code 2311 DTCs reference to confirm the fuel pump actuator diagnosis before replacing parts, and to follow the same clearing steps Cummins publishes for INSITE. Reading the live data and freeze-frame with INSITE before any parts replacement helps avoid unnecessary repairs and repeat shop visits. The revision date of 20-Jul-2010 and the SPN, FMI and PID values make it a reliable bench reference for ISX11.9 CM2250 diagnostics.
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