This document is a fault code 3535 DTCs troubleshooting manual for the Malfunction Indicator Lamp abnormal update rate fault on the SAE J1939 data link. It explains how the ECM receives multiplexed messages from an OEM VECU or transmission ECU and how to test configuration, wiring, connectors, calibration, and fault clearing with INSITE™ electronic service tool.
Official fault code 3535 DTCs document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2250 (2010-12) group listing; extract also references ISX11.9 CM2250, ISX15 CM2250, GX CM2250, QSL9 CM2250, and QSB6.7 CM2250 in associated procedures. |
| System/Group | DTCs; J1939 Data Link Circuit; Malfunction Indicator Lamp – Abnormal Update Rate |
| Publication no. | Not shown in the extract; associated bulletins include 4022250, 2883445, 4022256, and 4022255. |
| Year/Revision | Unknown; sections show Last Modified: 11-Jun-2010 and Last Modified: 06-Dec-2010. |
| Pages | 13 |
| File size | 0.2 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 for ECM communication with INSITE™ electronic service tool.
- Guided Step 3 – Check the OEM VECU and engine ECM for proper multiplexing configuration.
- Guided Step 4B – Check for an open or short circuit in the J1939 data link harness.
- Guided Step 5 – Check the OEM harness
- Guided Step 6 – Check ECM calibration and clear fault codes.
- Guided Step 6B – Disable the fault code.
Applicable truck models
The file is indexed under Cummins ISB6.7 CM2250 (2010-12) DTCs, while the sampled procedure table also lists ISX15 CM2250, GX CM2250, ISX11.9 CM2250, QSL9 CM2250, and QSB6.7 CM2250 engine models for related ECM calibration code and engine wiring harness procedures. It applies to vehicles using an OEM VECU or transmission ECU that sends multiplexed component information over the SAE J1939 data link to the Cummins ECM; OEM wiring and device locations vary by vehicle options. For current manufacturer information, visit Cummins official website.
Who needs this fault code 3535 DTCs manual
This fault code 3535 DTCs manual is for diesel mechanics, fleet technicians, and workshop owners diagnosing an active amber CHECK ENGINE lamp or MIL caused by missing or invalid J1939 messages. It is useful when INSITE™ can communicate with the ECM but the repair requires checking multiplexing enables, OEM VECU source addresses, service data link resistance, connector pin condition, OEM harness shorts, ECM calibration revision, and final fault clearing.
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