This 1-page CAT C15 air inlet shutoff diagnostic document covers DTC 0052-11 for Caterpillar diesel engines. It provides the fault code description, conditions for triggering the air inlet shutoff shutdown event, and the recommended troubleshooting steps for technicians working on affected engines.
Official CAT C15 air inlet shutoff document details
| Brand | Caterpillar (CAT) |
| Model coverage | C11, C13, C15 (All Others) |
| System/Group | DTCs — Air Inlet Shutoff Shutdown |
| Publication no. | 0052-11 |
| Year/Revision | Unknown |
| Pages | 1 |
| File size | 0.3 MB |
| Format | |
| Language | English |
Document table of contents
- DTC 0052-11 — Air Inlet Shutoff Shutdown
- Conditions for triggering the shutdown event
- Diagnostic trouble code description and parameters
- Recommended troubleshooting and corrective actions
Applicable truck models
This document applies to Caterpillar C11, C13, and C15 diesel engines classified under the “All Others” configuration group. These engines are widely installed in on-highway Class 8 trucks and vocational applications from manufacturers such as Peterbilt, Kenworth, and Western Star. The DTC 0052-11 air inlet shutoff shutdown procedure is relevant to any vehicle equipped with these CAT engine platforms that uses an electronically controlled air inlet shutoff system. For official engine specifications and additional service literature, visit Caterpillar Support.
Who needs this C15 air inlet shutoff manual
Fleet mechanics, independent diesel technicians, and workshop owners servicing Caterpillar-powered trucks will find this reference essential when diagnosing a 0052-11 fault code. It is particularly useful for shops that encounter air inlet shutoff shutdown events and need a concise, factory-sourced procedure to identify root causes and restore normal engine operation.
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