This 1-page engine speed calibration DTCs document covers Diagnostic Trouble Code 0022-13, which indicates that engine speed signal calibration has not been performed. It applies to Caterpillar C11, C13, and C15 engine platforms and provides the diagnostic steps needed to resolve this fault condition.
Official engine speed calibration DTCs 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 0022-13: Engine Speed Signal Calibration Not Performed
- Conditions for setting the fault code
- Recommended diagnostic and calibration procedure
- System response and expected engine behavior during active fault
Applicable truck models
This document applies to vehicles and equipment powered by Caterpillar C11, C13, and C15 diesel engines classified under the “All Others” application group. These engines are widely used in on-highway Class 8 trucks, vocational trucks, and select industrial applications. Technicians working on any platform equipped with these CAT engine families should reference this DTC guide when fault code 0022-13 is logged. For additional technical resources and engine specifications, visit Caterpillar’s official support page.
Who needs this speed calibration DTCs manual
Diesel technicians, fleet maintenance teams, and workshop owners who service Caterpillar-powered trucks will find this reference essential when diagnosing a speed signal calibration fault. It is particularly useful after engine sensor replacement, ECM reflash, or any service event that resets calibration data on C11, C13, or C15 engines.
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