Cummins fault code 3488 is the official Cummins troubleshooting document for SPN 563 FMI 9 — Anti-Lock Braking (ABS) Controller – Abnormal Update Rate — on the ISX11.9 CM2250 (2010-12) engine platform. This 14-page PDF is taken from the Cummins service manual and covers the circuit description, the conditions that set the code, and the full guided step-by-step repair. It references Cummins troubleshooting procedure 019-362, last revised 11-Jun-2010.
Official document details
| Brand | Cummins |
| Model coverage | ISX11.9 CM2250 (2010-12), ISX12 CM2250 (2010-12) |
| System / Group | Anti-Lock Braking (ABS) Controller – Abnormal Update Rate |
| Diagnostic identifier | SPN 563 · FMI 9 · Amber lamp |
| Publication reference | Procedure 019-362 |
| Revision | 11-Jun-2010 |
| Pages | 14 |
| File size | 0.3 MB |
| Format | |
| Language | English |
Document table of contents
- Overview and Circuit Description
- Conditions for Running the Diagnostics
- Conditions for Setting the Fault Code
- Action Taken When the Fault Code is Active
- Conditions for Clearing the Fault Code
- Troubleshooting Steps and Associated Procedures
- Guided repair steps with specifications
What Cummins fault code 3488 means
Anti-Lock Braking (ABS) Controller – Abnormal Update Rate. No communication or an invalid data transfer rate has been detected on the J1939 data link between the ECM and the anti-lock braking (ABS) controller. The manual explains that normally, switches, accelerators and other components are connected to the engine electronic control module (ECM) directly through individual wires. The document lists the exact ECM conditions under which this code is set and cleared, so a technician can confirm the diagnosis with INSITE electronic service tool before replacing parts.
Applicable truck models and engines
This troubleshooting procedure applies to Cummins ISX11.9 CM2250 (2010-12), ISX12 CM2250 (2010-12) engines from the 2010-2012 CM2250 electronic control family. The same guided steps are shared across the CM2250 range covered in this bulletin. Full engine and vehicle coverage should always be confirmed against the official Cummins Inc. website for your ECM calibration.
Who needs this Cummins fault code 3488 manual
Heavy-truck diesel technicians and workshop owners diagnosing SPN 563 on ISX11.9 CM2250 engines need this document to follow the factory procedure instead of guessing. It is part of the wider DiagTechPro manuals library of Cummins troubleshooting manuals.
The complete PDF of this Cummins troubleshooting manual is available in the DiagTechPro manuals library — a free account is required to download.
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