This PACCAR P1122 cruise fault document is the official diagnostic service manual excerpt from PACCAR’s 2013 MX engine fault code library. Published by PACCAR for technicians and workshop owners, it provides essential reference data for identifying and troubleshooting the sticking cruise fault condition in EPA 2013-compliant MX-series engines.
The PACCAR P1122 code represents a sticking cruise control malfunction and requires systematic diagnostic verification to isolate root causes. This manual page is extracted from PACCAR’s comprehensive 238-page diagnostic service manual dedicated to MX engine fault codes and electrical system diagnostics.
Document details and specifications — PACCAR P1122 cruise
| Brand | PACCAR |
| Model coverage | 2013 MX Engines (EPA 2013 compliance) |
| System/Group | DTCs / MX Engines (EPA2013) |
| Publication number | 2013 PACCAR MX Diagnostic Service Manual |
| Year/Revision | 2013 |
| Pages | 1 of 238 |
| File size | 0.3 MB |
| Format | |
| Language | English |
Table of contents
- Code number: P1122
- Fault code description: Sticking cruise fault
- Fault code information
- Description of component(s)
- Location of component(s)
- Diagnostic condition
- Set condition of fault code
- Reset condition of fault code
- Electrical diagram(s)
- Technical data
- Possible causes
- Additional information
- Diagnostic Step-by-Step
- Verification Drive Cycle
- Back to Index
Applies to these models
The PACCAR P1122 cruise fault applies to 2013 PACCAR MX engine-equipped trucks meeting EPA 2013 emission standards. This diagnostic reference supports troubleshooting of sticking cruise control faults across the MX platform. For complete technical specifications and engine documentation, visit PACCAR official.
Who needs this P1122 cruise fault manual
Diesel truck mechanics, master technicians, and workshop owners servicing PACCAR MX engines require the P1122 cruise fault manual to accurately diagnose and resolve cruise control system malfunctions. This document enables systematic fault isolation and verification using PACCAR’s standardized diagnostic procedures.
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