This 2-page troubleshooting document addresses the C-12 injector fault DTCs diagnostic code 0002-11, covering Cylinder #2 injector current fault (FMI 11) on Caterpillar 3406E, C-10, and C-12 on-highway truck engines. It explains the conditions that generate the code, the system response from the Engine Control Module (ECM), possible performance effects, and the recommended test procedure to resolve the issue.
Official C-12 injector fault DTCs document details
| Brand | Caterpillar (CAT) |
| Model coverage | C-12 Truck Engine 9NS (9NS00001-UP); also applicable to 3406E, C-10 |
| System / Group | 3406E C10 C12 (8YS, 9NS, 5DS, or 1LW) — Diagnostic Trouble Codes (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
- 0002-11 Cylinder #2 Injector Current Fault (72) — PID 0002 FMI 11
- Conditions Which Generate This Code (low current / open circuit; high current / short circuit)
- System Response (ECM logging, snapshot trigger, check engine lamp behavior, Cylinder Cutout Test restriction)
- Possible Performance Effect (engine misfires, low power)
- Troubleshooting — Test Step 1: Injector Solenoid Circuit – Test
Applicable truck models
This document applies to Caterpillar truck engines in the 3406E, C-10, and C-12 families, specifically configurations identified by serial prefixes 8YS, 9NS, 5DS, and 1LW. The primary configuration listed is the C-12 Truck Engine 9NS00001-UP. These engines are used across a range of Class 8 on-highway trucks from various OEMs. For official Caterpillar parts and service resources, visit Caterpillar Support.
Who needs this injector fault DTCs manual
Diesel mechanics and workshop owners troubleshooting a check engine lamp caused by DTC 0002-11 on Caterpillar 3406E, C-10, or C-12 engines will find this guide essential. It provides the exact ECM behavior, fault conditions (open circuit or short circuit in the Cylinder #2 injector solenoid wiring), and directs technicians to the Injector Solenoid Circuit – Test procedure for diagnosis.
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