This one-page CAT C15 injector DTC reference document covers diagnostic trouble code 0001-06, which flags a Cylinder #1 injector current high condition on Caterpillar diesel engines. It provides the fault description, probable causes, and recommended troubleshooting steps for technicians working on affected powertrains.
Official CAT C15 injector DTC document details
| Brand | Caterpillar (CAT) |
| Model coverage | C11, C13, C15 (All Others) |
| System / Group | Diagnostic Trouble Codes (DTCs) |
| Publication no. | — |
| Year / Revision | Unknown |
| Pages | 1 |
| File size | 0.3 MB |
| Format | |
| Language | English |
Document table of contents
- DTC 0001-06 — Cylinder #1 Injector Current High
- Fault description and conditions for setting the code
- Probable causes of high injector current
- Recommended diagnostic and repair procedures
Applicable truck models
This document applies to Caterpillar C11, C13, and C15 diesel engines grouped under the “All Others” classification. These engine families are widely installed in on-highway Class 8 trucks, vocational vehicles, and select off-highway equipment. Workshops servicing any chassis powered by these CAT engines should keep this DTC reference accessible. For additional Caterpillar technical resources, visit Caterpillar’s official support page.
Who needs this C15 injector DTC manual
Diesel technicians and workshop owners diagnosing injector-circuit faults on Caterpillar C11, C13, or C15 engines will find this document essential. It is particularly useful when the ECM logs code 0001-06 indicating excessive current on the Cylinder #1 injector circuit, helping mechanics isolate wiring issues, faulty injectors, or ECM driver problems quickly.
The full PDF is available in the DiagTechPro manuals library; a free account is required to download.
Related manuals library
The source file is 0001-06 Cylinder #1 Injector current high, stored in the DTCs library folder, and contains 1 pages. Compare the filename and page total with the preview and downloaded PDF before following a procedure. These identifiers help distinguish this document from manuals with similar titles. Take model coverage, publication date, and revision from the PDF title page or contents when available rather than inferring them from the library path.
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