The Cummins fault code 3134 troubleshooting guide is the official Cummins diagnostic procedure for Aftertreatment Diesel Particulate Filter Outlet Pressure Sensor Circuit – Voltage Below Normal, or Shorted to Low Source on the ISX11.9 CM2250 engine platform. This 17-page PDF documents the circuit description, the conditions that set and clear the fault, and the guided steps a technician follows to isolate and repair it.
Official document details
| Brand | Cummins |
|---|---|
| Model coverage | ISX11.9 CM2250/ISB6.7 CM2250/ISC8.3 and ISL9 CM2250/ISX15 CM2250 |
| System / Group | Aftertreatment Diesel Particulate Filter Outlet Pressure Sensor Circuit |
| Fault code | 3134 (SPN 3610, FMI 4) |
| Warning lamp | Amber |
| Pages | 17 |
| File size | 0.3 MB |
| Format | |
| Language | English |
| Last revised | 11-Jun-2010 |
Cummins fault code 3134 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 guided troubleshooting steps
Fault meaning and symptoms
The document defines fault code 3134 as Aftertreatment Diesel Particulate Filter Outlet Pressure Sensor Circuit – Voltage Below Normal, or Shorted to Low Source. The electronic control module (ECM) provides a 5 volt supply to the aftertreatment diesel particulate filter outlet pressure sensor on the sensor supply circuit. The ECM also provides a ground on the sensor return circuit. The condition is monitored on SPN 3610, FMI 4, and is annunciated with an amber CHECK ENGINE / malfunction indicator lamp. Each fault is worked with the INSITE electronic service tool, cross-referencing associated procedures 019-032, 019-443, 019-362, 019-361, 019-071, 019-360.
Applicable truck models
This procedure covers Cummins ISX11.9 CM2250/ISB6.7 CM2250/ISC8.3 and ISL9 CM2250/ISX15 CM2250 engines built for the 2010-12 on-highway emissions platform, so it suits Class 8 trucks and vocational chassis running these engines. Confirm the exact application and current calibration against the official Cummins website before ordering parts.
Who needs this Cummins fault code 3134 manual
Diesel technicians and workshop owners who read 3134 on the INSITE service tool use this manual to follow the factory-approved diagnostic tree instead of replacing parts by guesswork. It is equally useful for fleet maintenance staff verifying a repair before returning a truck to service.
The full PDF is available in the DiagTechPro manuals library, a free account is required to download.
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