This PACCAR engine DTC 102809 procedure is one of twelve related Engine Related DTCs — including DTC8409, DTC9109, DTC17102, DTC18409, DTC19009, DTC24709, DTC24809, DTC91709, DTC524502 and DTC524602 — that the CECU logs whenever an Engine Control Module databused message goes missing over the V-CAN (J1939) datalink. Published by PACCAR as part of the Electrical System Service Manual, PM819003/KM815056 (09/16/2011), the sheet gives Electronic Service Analyst (ESA)-based steps to tell a wiring-level J1939 failure apart from a single sensor fault. Because the same twelve-code list can appear for very different reasons, the PACCAR engine DTC 102809 sheet is meant to be read together with its Applies To list before any wiring is touched.
Document details and specifications — PACCAR engine DTC
| Brand | PACCAR |
| Model coverage | Kenworth and Peterbilt trucks, 2011 and newer, CECU3 with Chassis Node |
| System/Group | DTCs / Cab (2011 & Newer) — Electrical System Service Manual |
| Publication no. | PM819003/KM815056 |
| Year/Revision | 09/16/2011 |
| Pages | 2 |
| File size | 0.1 MB |
| Format | |
| Language | English |
Table of contents
- Engine Related DTCs (12-code group)
- Step 1: Connect ESA and check for numerous simultaneous DTCs
- Step 2: Diagnose Engine Control Module DTCs
- Return to Table Of Contents
Applies to these models
The engine DTC 102809 procedure applies to PACCAR-built Kenworth and Peterbilt trucks with the CECU3 multiplexed electrical system, model year 2011 and newer, where numerous engine-related components on the dash go inoperative at once because the CECU is not receiving Engine Control Module messages over the J1939 datalink. See the PACCAR official site for platform coverage.
Who needs this engine DTC 102809 manual
Technicians who connect ESA and see several Engine Control Module DTCs logged at the same time need the engine DTC 102809 routine first, since it routes a multi-code event to the J1939 Lite Diagnostic Procedure rather than to individual sensor checks.
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