This Cummins fault 352 document is a troubleshooting procedure for Code 352 on CM2150 engines. It covers Sensor Supply 1 Circuit – Voltage Below Normal or Shorted to Low Source, with checks for sensors, harness connectors, ECM response, and final fault clearing by INSITE™ electronic service tool. The file is intended for diagnostic work where the amber CHECK ENGINE light is active and engine power derate may occur.
Official Cummins fault 352 document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB, ISC, and ISL with CM2150; ISB6.7 CM2150 (2007-09) |
| System/Group | DTCs; Sensor Supply Number 1 |
| Publication no. | Not shown in extract |
| Year/Revision | Last Modified: 20-Jul-2010 |
| Pages | 23 |
| File size | 0.3 MB |
| Format | |
| Language | English |
Document table of contents
- Overview
- Circuit Description
- Component Location
- 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 sensors and circuits connected to the sensor number 1 supply and return.
- Guided Step 3 – Check the ECM and engine harness.
- Guided Step 4 – Clear the fault code.
Applicable truck models
This document applies to Cummins ISB, ISC, and ISL engines with CM2150 controls, including the ISB6.7 CM2150 coverage identified for 2007-09. It describes the 5-VDC sensor supply from the ECM engine harness connector to the engine camshaft position sensor, fuel rail pressure sensor, exhaust gas pressure sensor, intake manifold pressure sensor, crankcase pressure sensor, EGR differential pressure sensor, barometric pressure sensor, engine oil pressure sensor, and EGR position sensor. For manufacturer information, visit Cummins official website.
Who needs this Cummins fault 352 manual
Workshop technicians need this file when diagnosing low voltage on sensor supply number 1, possible short circuits to ground, shorts between supply and return wires, faulty sensors, harness damage, or ECM power supply faults. It is useful for shops using INSITE™ electronic service tool to confirm active or inactive fault status, inspect connector pins, replace affected sensors, repair the Engine Wiring Harness, or request authorization before Electronic Control Module replacement.
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