fault code 2764 DTCs is the Cummins ISX11.9 CM2250 troubleshooting document for Exhaust Gas Pressure – Data Valid but Above Normal Operating Range – Moderately Severe Level (SPN 1209, FMI 16). This 9-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 exhaust gas pressure sensor is used to measure exhaust gas pressure in the exhaust manifold.
Official document details
| Brand | Cummins |
| Model coverage | ISX11.9 CM2250/ISB6.7 CM2250/ISC8.3 and ISL9 CM2250/ISX15 CM2250 |
| System / group | ISX11.9 CM2250 (2010-12) / DTCs |
| Fault code | 2764 (PID P131) |
| SPN / FMI | 1209 / 16 |
| Warning lamp | Amber |
| Bulletin number | 2883445 |
| Revision | Last modified 11-Jun-2010 |
| Pages | 9 |
| File size | 0.2 MB |
| Format | |
| Language | English |
fault code 2764 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/ISB6.7 CM2250/ISC8.3 and ISL9 CM2250/ISX15 CM2250 engines. The exhaust gas pressure sensor is located above the front section of the exhaust manifold and is plumbed into the exhaust manifold. The document states the code is set when this fault code is logged when the exhaust gas pressure sensor is reading a value above the engine protection limits. When the code is active, the amber warning lamp is illuminated when this diagnostic runs and fails. Full specifications and procedure references are published by Cummins on the Cummins official website.
Who needs this fault code 2764 DTCs manual
Diesel technicians and workshop owners diagnosing Data Valid but Above Normal Operating Range – Moderately Severe Level on ISX11.9 CM2250 engines need this reference. Possible causes documented in the Shop Talk section include a malfunctioning variable geometry turbocharger, a damaged in-range exhaust gas pressure sensor, a plugged or restricted aftertreatment diesel particulate filter, a plugged or restricted egr cooler. 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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