This PACCAR MX engine P0571 document is the diagnostic reference from the 2013 PACCAR MX Diagnostic Service Manual for EPA2013-compliant heavy-duty truck engines. Published by PACCAR, it provides mechanics and workshop technicians with the technical framework to diagnose and resolve CAN communication faults related to the brake switch message from the vehicle controller.
The PACCAR MX engine P0571 specifically addresses out-of-range signals in the CCVS (Cruise Control Vehicle Speed) message transmitted over the CAN bus, focusing on brake switch input validation. This single-page reference is part of PACCAR’s comprehensive diagnostic library for MX diesel engine platforms used in Peterbilt and Kenworth Class 8 trucks.
Document details and specifications — PACCAR MX engine
| Brand | PACCAR |
| Model coverage | MX Engines (EPA2013) |
| System/Group | DTCs / MX Engines |
| Year/Revision | 2013 |
| Pages | 1 |
| File size | 0.3 MB |
| Format | |
| Language | English |
Table of contents
- Fault code description: CAN communication CCVS message out of range
- Fault code information and component description
- Location of components
- Diagnostic conditions and set/reset criteria
- Electrical diagrams
- Technical data and possible causes
- Diagnostic step-by-step procedure
- Verification and drive cycle testing
Applies to these models
The MX engine P0571 applies to 2013 and later PACCAR MX diesel engines meeting EPA2013 emissions standards. This includes MX-series engines found in Peterbilt and Kenworth Class 8 heavy-duty trucks equipped with electronically controlled brake switches and CAN-based engine management systems. For official engine specifications and service bulletins, visit PACCAR official.
Who needs this MX engine P0571 manual
Diesel engine technicians, heavy-truck mechanics, and workshop service managers require this MX engine P0571 diagnostic manual when troubleshooting CAN communication faults, brake switch circuit failures, or electrical signal integrity issues on MX-powered Class 8 trucks. This reference accelerates fault isolation and repair verification on vehicles displaying this specific diagnostic trouble code.
The complete MX engine P0571 PDF is available in the DiagTechPro manuals library. A free account is required to download the full diagnostic document.
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