fault code 2554 DTCs is documented in this official Cummins ISX11.9 CM2250 diagnostic and troubleshooting manual. The 15-page PDF explains the Exhaust Gas Pressure – Data Erratic, Intermittent, or Incorrect condition on the exhaust gas pressure circuit, including the SPN, FMI and PID identifiers a technician reads with the Cummins INSITE electronic service tool.
fault code 2554 DTCs document details
| Brand | Cummins |
| Model coverage | ISX11.9 CM2250, ISB6.7 CM2250, ISC8.3 and ISL9 CM2250, and ISX15 CM2250 |
| System / group | Exhaust gas pressure circuit |
| Fault code | 2554 (PID P131) |
| SPN | SPN 1209 |
| FMI | FMI 2 |
| Warning lamp | Amber |
| Pages | 15 |
| Revision | Last modified 29-Dec-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
- A stuck in-range exhaust gas pressure sensor reading
- High resistance in the sensor signal or return lines
- Plugging or restriction in the exhaust gas pressure sensor tube
- Leaks in the exhaust system
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 1209 / FMI 2 sets, the ECM estimates exhaust gas pressure, diesel exhaust fluid injection and diesel particulate filter regeneration are disabled, and the EGR valve is closed. 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 2554 DTCs manual
Fleet technicians, mobile mechanics and workshop owners use this code 2554 DTCs reference to confirm the exhaust gas pressure sensor 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 29-Dec-2010 and the SPN, FMI and PID values make it a reliable bench reference for ISX11.9 CM2250 diagnostics.
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