This 2-page Caterpillar troubleshooting document addresses the 3406E injector fault DTCs designated DTC 0004-11 — Cylinder #4 Injector Current Fault (73). It covers fault conditions, system response, performance effects, and the recommended diagnostic procedure for 3406E, C-10, and C-12 on-highway truck engines. The publication number is RENR1328-08, published January 2008 and updated October 2008.
Official 3406E injector fault DTCs document details
| Brand | Caterpillar (CAT) |
| Model coverage | 3406E, C-10, C-12 Truck Engines (configurations 8YS, 9NS, 5DS, 1LW) |
| System / Group | Engine Control Module (ECM) — Injector Solenoid Circuit, SMCS 1290-038 |
| Publication no. | RENR1328-08 |
| Year / Revision | Published 01/10/2008, Updated 16/10/2008 |
| Pages | 2 |
| File size | 0.1 MB |
| Format | |
| Language | English |
Document table of contents
- Conditions Which Generate This Code (PID 0004 FMI 11)
- System Response — ECM logging, snapshot trigger, check engine lamp behavior
- Possible Performance Effect — engine misfires, low power
- Troubleshooting — Test Step 1: Injector Solenoid Circuit – Test
Applicable truck models
This troubleshooting document applies to Caterpillar on-highway truck engines in the 3406E, C-10, and C-12 families. The specific configuration referenced is the C-12 Truck Engine 9NS00001-UP, but the procedure also covers engine serial prefix groups 8YS, 9NS, 5DS, and 1LW. These engines are widely used in Class 8 heavy-duty trucks from multiple OEMs. For official parts lookup, service bulletins, and additional technical resources, visit Caterpillar Support and Service.
Who needs this injector fault DTCs manual
Fleet mechanics, independent diesel technicians, and workshop owners troubleshooting a Cylinder #4 injector current fault on CAT 3406E, C-10, or C-12 engines need this reference. It is essential when the ECM logs DTC 0004-11 (FMI 11) and the check engine lamp illuminates, indicating either an open circuit (low current) or short circuit (high current) in the injector solenoid wiring.
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