This Cummins 1141 troubleshooting manual is a 7-page diagnostic document for Fault Code 1141 on Cummins ISB6.7 CM2350 engines. It explains the injector solenoid driver cylinder 2 fault, related ECM logic, diagnostic conditions, clearing requirements, and repair checks used by service technicians.
Official Cummins 1141 troubleshooting manual document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2350 (2013-17) |
| System/Group | DTCs |
| Year/Revision | Unknown; copyright © 2017 |
| Pages | 7 |
| File size | 0.1 MB |
| Format | |
| Language | English |
Document table of contents
- Fault Code: 1141
- PID: S002
- SPN: 652
- FMI: 7
- LAMP: Amber
- INJECTOR SOLENOID DRIVER CYLINDER 2 – MECHANICAL SYSTEM NOT RESPONDING OR OUT OF ADJUSTMENT
- CIRCUIT DESCRIPTION
- COMPONENT LOCATION
- REASON
- EFFECT
- 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
- TROUBLESHOOTING STEPS
- Step 1A) Check for active fault codes.
- Step 1B) Check for injector circuit fault codes.
- Step 2B) Perform a single cylinder cutout diagnostic test.
- Step 3B) Inspect the fuel rail pressure sensor and connector pins.
- Step 3C) Check the fuel rail pressure sensor circuit.
- Step 4A) Monitor Commanded Fuel Rail Pressure and Measured Fuel Rail Pressure.
- Step 4B) Measure the high-pressure fuel pump fuel drain flow.
- Step 4C) Check the fuel drain line restriction.
- Step 5A) Check if an ECM calibration update is available.
- Step 5B) Disable the fault code.
Applicable truck models
This document applies to Cummins ISB6.7 CM2350 engines in the 2013-17 coverage group where Fault Code 1141 is used for injector solenoid driver cylinder 2 diagnosis. The extract identifies the engine, ECM, engine harness, rocker housing pass-through connector, internal injector harnesses, fuel rail pressure sensor, fuel pump actuator, high-pressure fuel supply pump, and OEM fuel drain lines as relevant service areas. For manufacturer information, visit Cummins official website.
Who needs this Cummins 1141 troubleshooting manual manual
Mechanics, diesel diagnostic technicians, and workshop owners need this 1141 troubleshooting manual when an ISB6.7 CM2350 shows an amber CHECK ENGINE lamp, MIL, rough operation, engine knock, misfire, or a suspected single-cylinder fueling fault. The procedure guides checks for related injector circuit fault codes, cylinder cutout testing, connector damage, fuel rail pressure variation greater than ± 100 bar [± 1450 psi], fuel drain flow, drain line restriction, ECM calibration, and final fault clearing.
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