This Cummins fault code 599 document explains the diagnostic information for an auxiliary commanded dual output shutdown condition. It covers the circuit description, OEM-dependent component location notes, engine shutdown effect, ECM calibration guidance, and the INSITE™ fault-code check shown in Code 599.pdf.
Official Cummins fault code 599 document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2150 (2007-09); extract also identifies FAULT CODE 599 (QSB3.3) |
| System/Group | DTCs; Dual Outputs Circuit; Auxiliary Commanded Dual Output Shutdown – Special Instructions |
| Publication no. | Not shown in the extract |
| Year/Revision | Last Modified: 20-Jul-2010 |
| Pages | 3 |
| File size | 0.2 MB |
| Format | |
| Language | English |
Document table of contents
- Overview
- Circuit Description
- Component Location
- Shop Talk
- FAULT CODE 599 (QSB3.3)
- Auxiliary Commanded Dual Output Shutdown – Special Instructions
- Dual Outputs Circuit
- Associated Procedures
- Troubleshooting Steps
- Guided Step 1 – Check the fault codes.
- Guided Step 1A – Check for Fault Code 599.
Applicable truck models
This file applies to Cummins engine diagnostics where the covered platform is listed as ISB6.7 CM2150 (2007-09), with the extracted fault section also naming QSB3.3. The document describes dual outputs that are original equipment manufacturer (OEM) dependent, so component location and the shutdown trigger source must be checked in the OEM troubleshooting and repair manual for the vehicle or equipment being serviced. The fault details identify PID: S025, SPN: 640, FMI: 14, and a Red lamp, with the effect stated as engine shutdown when the engine protection limit has been exceeded for the dual outputs calibrated limits. For manufacturer information, see Cummins official website.
Who needs this Cummins fault code 599 manual
Mechanics, fleet technicians, and workshop owners need this manual when INSITE™ electronic service tool shows active or inactive counts of Fault Code 599. The procedure directs the user to turn the keyswitch ON, connect INSITE™, read the fault codes, verify whether the code is present, and then refer to the OEM troubleshooting and repair manual when the OEM supplied auxiliary device has exceeded its engine protection limit.
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