This document is a Cummins 477 fault code troubleshooting procedure for low Battery 2 voltage detected at the aftertreatment diesel exhaust fluid controller. It explains fault conditions, aftertreatment effects, INSITE checks, harness testing, battery inspection, ECM calibration review, and final fault clearing steps.
Official Cummins 477 fault code document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2250, with associated CM2250 engine listings shown in the procedure |
| System/Group | ISB6.7 CM2250 (2010-12) / DTCs; Aftertreatment Diesel Exhaust Fluid Controller Voltage Supply Circuit |
| Publication no. | Not shown in the extract |
| Year/Revision | Last Modified: 11-Jun-2010; troubleshooting section Last Modified: 04-Jan-2011 |
| Pages | 14 |
| 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 the fault codes.
- Guided Step 2 – Check the aftertreatment diesel exhaust fluid controller.
- Guided Step 3 – Check the battery.
- Guided Step 4 – Clear the fault codes.
Applicable truck models
The procedure is written for Cummins aftertreatment diesel exhaust fluid controller voltage supply diagnostics on ISB6.7 CM2250 engines and also lists related Associated Procedures for ISF2.8 CM2220 AN, ISF3.8 CM2220 AN, ISC8.3 and ISL9 CM2250, ISX15 CM2250, GX CM2250, ISX11.9 CM2250, QSL9 CM2250, and QSB6.7 CM2250. The component location is OEM-installed, so the document directs technicians to the OEM service manual for vehicle-specific controller placement. More manufacturer information is available at Cummins official website.
Who needs this 477 fault code manual
Workshop technicians need this 477 fault code manual when an amber CHECK ENGINE lamp or MIL is linked to SPN 444 FMI 18 and DEF injection is disabled. It is useful for mechanics checking controller supply voltage, battery condition, fuses, OEM harness resistance, connector condition, and INSITE electrical system voltage settings.
The full PDF is available in the DiagTechPro manuals library, free account required to download.
Related manuals library
Sản phẩm liên quan cho hãng này
Cùng brand theo taxonomy hiện có trong catalog WooCommerce.
Cummins INSITE 9.3 – The Essential Diagnostic Tool for Cummins Engines
Cummins Calterm Version 5.16 – Advanced ECM Control and Precision Tuning for Cummins Engines
Cummins InCal CE – The Calibration and Configuration Tool for Cummins Engines
