This document covers the PACCAR U1564 CAN message of range DTC diagnostic procedure, issued by PACCAR for MX Europe engines compliant with EPA 2004 emissions standards. The guide explains the set conditions, diagnostic behavior, and repair verification steps required when CAN signal values fall outside expected operating ranges. Published by PACCAR, this technical resource is designed for mechanics and technicians working on PACCAR-equipped trucks.
Document details and specifications — PACCAR U1564 CAN
| Brand | PACCAR |
| Model coverage | MX Europe Engines |
| System/Group | DTCs / MX Europe Engines (EPA 2004) |
| Publication number | U1564 |
| Year/Revision | 18 August 2017 |
| Pages | 2 |
| File size | 0.1 MB |
| Format | |
| Language | English |
Table of contents
- Set conditions
- Diagnostic condition
- Corresponding OBD readiness monitor
- Reset condition
- Repair verification procedure
- Possible cause analysis
- Additional information and CAN message troubleshooting example
Applies to these models
This PACCAR U1564 CAN message of range reference applies to MX Europe engines meeting EPA 2004 and EPA 2013 emission standards. The diagnostic runs continuously during ignition-on and engine-running conditions. For official PACCAR technical support, visit PACCAR official website.
Who needs this U1564 CAN message of range manual
Diesel mechanics, workshop technicians, and fleet service managers diagnosing CAN network communication faults on PACCAR MX engines require this guide. Understanding the U1564 CAN message of range DTC helps identify whether the fault originates in the receiving ECU or in an upstream sensor system communicating via CAN bus.
The complete U1564 CAN message of range DTC diagnostic document is available in the DiagTechPro manuals library. Create a free account to download the full 2-page PDF reference guide.
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Using this document effectively
Use PACCAR U1564 CAN message of Range DTC — PACCAR MX Europe Engines as a reference alongside the exact machine identification, engine family, control module, and publication revision shown on the equipment. Confirm that the model and production range match before following any table, connector view, test sequence, or specification. Record the original fault code and operating conditions before clearing codes or disconnecting components.
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