This 1-page diagnostic PDF covers the injector current low DTCs fault code 0004-05 for Cylinder #4 on Caterpillar C11, C13, and C15 engines. It provides the diagnostic trouble code definition, possible causes, and recommended troubleshooting steps for technicians working on these heavy-duty diesel platforms.
Official injector current low DTCs document details
| Brand | Caterpillar (CAT) |
| Model coverage | C11, C13, C15 (All Others) |
| System / Group | Diagnostic Trouble Codes (DTCs) |
| Publication no. | Not specified |
| Year / Revision | Unknown |
| Pages | 1 |
| File size | 0.3 MB |
| Format | |
| Language | English |
Document table of contents
- DTC 0004-05 — Cylinder #4 Injector Current Low
- Fault description and conditions for setting the code
- Possible causes of low injector current
- Recommended diagnostic and repair procedures
Applicable truck models
This document applies to Caterpillar C11, C13, and C15 diesel engines classified under the “All Others” subgroup. These engine families are widely used in on-highway Class 8 trucks, vocational vehicles, and select off-highway equipment. The DTC 0004-05 relates specifically to the Cylinder #4 fuel injector circuit reporting low current, which may indicate an open circuit, faulty injector solenoid, or wiring harness issue. For additional technical resources and parts information, visit Caterpillar’s official support page.
Who needs this current low DTCs manual
Diesel mechanics, fleet maintenance technicians, and workshop owners servicing CAT-powered trucks will find this reference essential when diagnosing a Cylinder #4 injector current fault. It is particularly useful for anyone troubleshooting DTC 0004-05 on C11, C13, or C15 engines without access to the full Caterpillar SIS platform.
The full PDF is available in the DiagTechPro manuals library; a free account is required to download.
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