This 1-page PDF is a C15 injector current DTCs DTC reference sheet documenting diagnostic trouble code 0003-05, which flags when Cylinder #3 injector current is detected as low. The document is part of the Caterpillar C11, C13, and C15 engine DTC library and is intended for technicians troubleshooting fuel injector electrical faults.
Official C15 injector current DTCs DTC document details
| Brand | Caterpillar (CAT) |
| Model coverage | C11, C13, C15 (All Others) |
| System / Group | DTCs — Fuel Injector Circuit Diagnostics |
| Publication no. | Not specified |
| Year / Revision | Unknown |
| Pages | 1 |
| File size | 0.3 MB |
| Format | |
| Language | English |
Document table of contents
- DTC 0003-05 — Cylinder #3 Injector Current Low
- Fault description and conditions for setting the code
- Injector current diagnostic procedure
- Recommended corrective actions
Applicable truck models
This document applies to all equipment powered by Caterpillar C11, C13, and C15 engines that fall under the “All Others” engine software category. These engines are commonly found in Class 8 on-highway trucks, vocational trucks, and select off-highway applications. The DTC 0003-05 Cylinder #3 injector current low fault can appear on any unit running one of these engine platforms when the ECM detects that the electrical current delivered to the #3 fuel injector has dropped below the expected threshold. For official Caterpillar service literature and parts lookup, visit Caterpillar Support and Service.
Who needs this injector current DTCs DTC manual
Diesel technicians and workshop owners servicing Caterpillar-powered trucks will use this sheet when a injector current DTCs fault code appears during electronic diagnostics. It provides a concise, single-page troubleshooting path that saves time compared to searching through full service manuals.
The full PDF is available in the DiagTechPro manuals library; a free account is required to download.
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