This Cummins 3134 fault code document is a troubleshooting manual for the aftertreatment diesel particulate filter outlet pressure sensor circuit. It explains the low-voltage or short-to-low-source condition for SPN 3610 FMI 4 and shows guided electrical checks using INSITE™ electronic service tool. The file is useful when active or stationary regeneration is disabled and the amber CHECK ENGINE lamp or MIL is triggered.
Official Cummins 3134 fault code document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2250, with associated coverage shown for ISX11.9 CM2250, ISC8.3 and ISL9 CM2250, ISX15 CM2250, GX CM2250, QSL9 CM2250, and QSB6.7 CM2250 |
| System/Group | ISB6.7 CM2250 (2010-12) / DTCs; Aftertreatment Diesel Particulate Filter Outlet Pressure Sensor Circuit |
| Publication no. | Not stated; associated bulletin numbers include 4022254, 4022257, 4022250, 2883445, 4022256, and 4022255 |
| Year/Revision | Year unknown; last modified 11-Jun-2010 and 04-Jan-2011 |
| Pages | 17 |
| File size | 0.3 MB |
| Format | |
| Language | English |
Document table of contents
- Overview
- Circuit Description
- Component Location
- FAULT CODE 3134 – Aftertreatment Diesel Particulate Filter Outlet Pressure Sensor Circuit – Voltage Below Normal, or Shorted to Low Source
- Conditions for Running the Diagnostics
- Conditions for Setting the Fault Codes
- Action Taken When the Fault Code is Active
- Conditions for Clearing the Fault Code
- Shop Talk
- Associated Procedures
- Troubleshooting Steps
- Guided Step 1 – Check the fault codes
- Guided Step 2 – Check the aftertreatment diesel particulate filter outlet pressure sensor and circuit
- Guided Step 3 – Check the ECM and OEM harness
- Guided Step 4 – Check ECM calibration and clear fault
Applicable truck models
The extract identifies this procedure for Cummins CM2250 engine platforms, including ISB6.7 CM2250 and related listings for ISX11.9 CM2250, ISC8.3 and ISL9 CM2250, ISX15 CM2250, GX CM2250, QSL9 CM2250, and QSB6.7 CM2250. The exact aftertreatment component location depends on the original equipment manufacturer service manual, because the aftertreatment diesel particulate filter outlet pressure sensor is mounted on the diesel particulate filter and is described as a combination sensor for differential pressure and outlet pressure. For manufacturer information, visit Cummins official website.
Who needs this Cummins 3134 fault code manual
Diesel technicians, fleet maintenance staff, and workshop owners need this manual when diagnosing low signal voltage at the aftertreatment diesel particulate filter outlet pressure sensor circuit. It supports practical checks for dirty or damaged pins, 4.75 to 5.25-VDC supply voltage, circuit response, OEM harness opens, pin-to-pin shorts, pin-to-ground shorts, ECM calibration status, and fault clearing.
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