fault code 2347 DTCs is documented in this official Cummins ISX11.9 CM2250 diagnostic and troubleshooting manual. The 9-page PDF explains the Turbocharger Compressor Outlet Temperature (Calculated) – Data Valid But Above Normal Operating Range – Least Severe Level condition on the turbocharger compressor outlet temperature circuit, including the SPN, FMI and PID identifiers a technician reads with the Cummins INSITE electronic service tool.
fault code 2347 DTCs document details
| Brand | Cummins |
| Model coverage | ISX11.9 CM2250, ISB6.7 CM2250, ISC8.3 and ISL9 CM2250, and ISX15 CM2250 |
| System / group | Turbocharger compressor outlet temperature circuit |
| Fault code | 2347 (PID P404) |
| SPN | SPN 2629 |
| FMI | FMI 15/15 |
| Warning lamp | None |
| Pages | 9 |
| 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
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 2629 / FMI 15/15 sets, fuel is limited to decrease the calculated turbocharger compressor outlet air temperature. 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 2347 DTCs manual
Fleet technicians, mobile mechanics and workshop owners use this code 2347 DTCs reference to confirm the engine protection system 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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