This MX CAN communication codes diagnostic service manual covers fault code U0106, a critical communication error affecting brake system messaging on EPA 2013 compliant MX diesel engines. Published by PACCAR as part of their official 2013 diagnostic service documentation, this guide provides mechanics and technicians with step-by-step troubleshooting procedures for CAN network faults.
The U0106 code identifies a breakdown in CAN bus communication where the CCVS_EBS (Cooperative Adaptive Cruise Control Vehicle Speed / Electronic Brake System) message rate from the brake system falls below acceptable thresholds. This MX CAN communication codes document explains both the electrical and diagnostic framework needed to isolate and repair network-level failures.
Document details and specifications — MX CAN communication
| Brand | PACCAR |
| Model coverage | MX Series (EPA 2013) |
| System/Group | DTCs / MX Engines (EPA2013) |
| Publication number | U0106 |
| Year/Revision | 2013 |
| Pages | 4 |
| File size | 0.6 MB |
| Format | |
| Language | English |
Table of contents
- Code number and fault description (U0106)
- Fault code information and readiness group
- Component description and location
- Diagnostic condition and set/reset criteria
- Electrical diagrams
- Technical data and possible causes
- Step-by-step diagnostic procedure (Steps 0106a–0106d)
- Verification drive cycle validation
Applies to these models
This CAN communication codes reference applies exclusively to PACCAR MX Series engines meeting EPA 2013 emissions standards. It addresses CAN network faults, wiring harness failures, and communication interruptions that trigger the U0106 diagnostic trouble code during continuous ignition-on monitoring.
For official PACCAR technical resources and engine specifications, visit PACCAR official.
Who needs this CAN communication codes manual
Diesel engine mechanics, commercial truck technicians, and workshop owners servicing PACCAR MX-powered vehicles require this CAN communication codes guide. The diagnostic procedures are essential for identifying CAN bus network failures, connector damage, and wiring faults that prevent proper brake system communication.
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