This fault code 153 DTCs document is a troubleshooting procedure for the intake manifold 1 temperature sensor circuit on Cummins ISB, ISC, and ISL engines. It explains the voltage-above-normal or short-to-high-source fault, the ECM response, possible symptoms, and guided electrical checks using INSITE™ and a multimeter.
Official fault code 153 DTCs document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2150 (2007-09); ISB, ISC, and ISL references in the procedure |
| System/Group | DTCs; Intake Manifold 1 Temperature Sensor Circuit |
| Year/Revision | Last Modified: 20-Jul-2010 |
| Pages | 15 |
| 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 intake manifold air temperature sensor and circuit.
- Guided Step 3 – Check the ECM and engine harness.
- Guided Step 4 – Clear the fault codes.
Applicable truck models
This file applies to Cummins ISB6.7 CM2150 (2007-09) diagnostic work and also names ISB, ISC, and ISL intake manifold 1 temperature sensor circuit troubleshooting. The procedure is engine-focused, not chassis-specific, and covers ECM-monitored intake manifold air temperature signal and return circuits, connector inspections, resistance checks, harness continuity checks, pin-to-pin short checks, and fault clearing with INSITE™ electronic service tool. For official engine support, visit Cummins.
Who needs this code 153 DTCs manual
Workshop owners, diesel mechanics, and fleet technicians need this manual when an amber CHECK ENGINE light is linked to Fault Code 153, PID P105, SPN 105, FMI 3/3. It is useful for diagnosing possible white smoke, an ECM-controlled fan staying ON, default intake manifold temperature readings, open return circuits, open signal circuits, and shorts to a voltage source.
The full code 153 DTCs PDF is available in the DiagTechPro manuals library, free account required to download.
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