Cummins fault code 2183 is documented on this DiagTechPro library page for Cummins ISM CM871 (2007-09) engines, where it flags the Engine Brake Actuator Driver 1 Circuit – Voltage Below Normal, or Shorted to Low Source condition (PID S079, SPN 1072, FMI 4/4, Amber lamp). This 5-page PDF reproduces the manufacturer description, shop talk, component location and step-by-step troubleshooting so technicians can confirm and clear the code.
Cummins fault code 2183 overview
Cummins identifies this code as “Engine Brake Actuator Driver 1 Circuit – Voltage Below Normal, or Shorted to Low Source” on the Engine Brake Solenoid Number 1 Signal Circuit. The electronic control module (ECM) controls the engine brakes on cylinders 1, 2, and 3 by sending a signal on engine brake solenoid number 1 signal circuit. The ECM will only command the brakes on under certain operating conditions.
Official document details
| Brand | Cummins |
| Model coverage | Cummins ISM CM871 (2007-09); Cummins ISX CM871 (2007-09) |
| System / Group | Engine Brake Solenoid Number 1 Signal Circuit — ISM CM871 fault codes |
| Fault code | 2183 (SPN 1072, FMI 4/4) |
| PID | S079 |
| Warning lamp | Amber |
| Source | TruckFaultCodes.com Cummins fault code reference (© 2017) |
| Pages | 5 |
| File size | 0.3 MB |
| Format | |
| Language | English |
Document table of contents
- Fault code identification (PID, SPN, FMI, lamp)
- Description
- Shop Talk
- Component Location
- Troubleshooting Steps
Applicable truck models and engines
This document applies to Cummins ISM CM871 (2007-09); Cummins ISX CM871 (2007-09) equipped diesel engines that log Fault Code 2183. Always confirm engine calibration and use a Cummins diagnostic tool such as INSITE to read live data before replacing parts. Full specifications are published on the Cummins official website.
Who needs this Cummins fault code 2183 manual
Heavy-duty truck technicians, fleet workshops and owner-operators diagnosing an electronic control module warning on ISM CM871 engines use this sheet to verify the fault before parts are replaced.
The full PDF is available in the DiagTechPro manuals library; a free account is required to download.
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