This document is the 2013 PACCAR MX Diagnostic Service Manual page covering the PACCAR P0480 fault code, published by PACCAR for technicians servicing MX-series diesel engines under EPA 2013 emissions standards. The PACCAR P0480 fault code specifically addresses electronic controlled fan current faults and open circuit conditions on ECU D420 pin C74, providing mechanics with diagnostic steps and reset procedures.
The PACCAR P0480 manual entry is part of PACCAR’s comprehensive diagnostic troubleshooting library and represents a single-page technical reference extracted from the full 285-page service manual.
Document details and specifications — PACCAR P0480 fault
| Brand | PACCAR |
| Model coverage | MX Engines (EPA 2013) |
| System/Group | DTCs / MX Engines |
| Year/Revision | 2013 |
| Pages | 1 |
| File size | 0.3 MB |
| Format | |
| Language | English |
Table of contents
- Code number: P0480
- Fault code description: Electronic controlled fan – Current too low or open circuit on ECU D420 pin C74
- Fault code information: 3 drive cycle recovery, Readiness group – None, Freeze frame type – Comprehensive
- 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
Applies to these models
This PACCAR P0480 diagnostic reference applies to PACCAR MX-series diesel engines manufactured under 2013 EPA emissions standards. For detailed chassis wiring information and component locations, consult the complete PACCAR service documentation set. Additional support is available through the Engine Support Center. Visit PACCAR official website for manufacturer specifications and support resources.
Who needs this PACCAR P0480 fault code manual
Diesel mechanics and workshop owners diagnosing electronic controlled fan faults on PACCAR MX engines require this PACCAR P0480 reference to identify pin locations, diagnostic conditions, and reset procedures. Fleet technicians troubleshooting active or stored fault codes on EPA 2013 PACCAR engines will find this concise diagnostic guide essential for efficient repair workflow and accurate fault isolation.
The complete P0480 fault code diagnostic manual and related technical documents are available in the DiagTechPro manuals library. Register a free account to download this PDF and access the full collection of PACCAR diagnostic service manuals for MX engines and other heavy-duty truck systems.
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