NHTSA ID Number: 10081805
Manufacturer Communication Number: TSB160065-063016
TSB/Document Date: 2016-10-07
Summary
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE TROUBLESHOOTING AND REPAIR STEPS TO ADDRESS FAULT CODES 1866, 3383 OR 3228 CAUSED BY INCORRECT OEM WIRE HARNESS MOUNTING ON KENWORTH
TRUCKS.
Fault Codes 1866, 3383, or 3228 Caused by Incorrect Original Equipment Manufacturer (... Page 1 of 4
Technical Service Bulletin Number
TSB160065
Technical Service Bulletin
Subject
Fault Codes 1866, 3383, or 3228 Caused by Incorrect Original Equipment Manufacturer
(OEM) Wiring Harness Mounting on Kenworth
™ Trucks
Warranty Statement
The information in this document has no effect on present warranty coverage or repair
practices, nor does it authorize TRP or Campaign actions.
Contents
Product Affected
Engine:
ISX15
CM2350 X101
ESN range 79794148 to 79868577
Build date between 20 November 2014 and 26 August 2015
Chassis Make:
Chassis Model:
T680 and T880
Issue
https://qsol.cummins.com/qs3/pubsys2/xml/en/tsb/2016/tsb160065.html
7/1/2016
Fault Codes 1866, 3383, or 3228 Caused by Incorrect Original Equipment Manufacturer (... Page 2 of 4
Symptom:
Fault Codes 1866, 3383, or 3228 active or intermittently active
Root Cause:
The original equipment manufacturer (OEM) 14-pin crossover wiring harness is zip-tied
to the main engine harness in addition to the single zip-tie connection performed by the
engine plant.
A malfunction of the engine wiring harness may be accelerated by excessive flexing or
strain, leading to intermittent or open circuit conditions. These fault codes are associated
with sensors on the Sensor Supply 2 circuit, which include the aftertreatment fuel
pressure sensor, exhaust gas recirculation (EGR) differential pressure sensor, EGR
orifice pressure sensor, exhaust gas pressure sensor, and engine intake throttle actuator
position sensor (if equipped).
Verification
Connect to the engine control module (ECM) with INSITE™ electronic service tool.
Check if any fault codes related to sensors on Sensor Supply 2 are active or recently
inactive. Verify Fault Codes 1866, 3383, or 3228 are active or intermittently active. See
the ISX15
CM2350 X101 Wiring Diagram, Bulletin 4310638.
Inspect engine and verify zip ties (Figure 1, Item 2) were used to secure the OEM 14 pin
crossover wiring harness (Figure 1, Item 1) to the main engine wiring harness. In
addition, the OEM 14 pin crossover wiring harnesses may have been zip-tied to the main
engine wiring harness by the engine plant. Inspect for painted zip-ties in this area.
https://qsol.cummins.com/qs3/pubsys2/xml/en/tsb/2016/tsb160065.html
7/1/2016
Fault Codes 1866, 3383, or 3228 Caused by Incorrect Original Equipment Manufacturer (... Page 3 of 4
Figure 1.
1. OEM 14 Pin Crossover Wiring Harness Connector
2. Zip-Ties Securing OEM 14 Pin Crossover Wiring Harness to Main Engine Wiring Harness
Resolution
Remove zip-ties (Figure 1, Item 2) that secure the OEM 14 pin wiring harness and
connector to the main engine wiring harness as shown in Figure 2. This may include zipties installed at the engine plant (painted), and installed by the OEM (not painted).
If any fault codes related to sensors on Sensor Supply 2 are still active, follow the
appropriate fault code troubleshooting tree. See ISX15
CM2350 X101 Fault Code
Troubleshooting Manual, Bulletin 4310637.
https://qsol.cummins.com/qs3/pubsys2/xml/en/tsb/2016/tsb160065.html
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Fault Codes 1866, 3383, or 3228 Caused by Incorrect Original Equipment Manufacturer (... Page 4 of 4
Figure 2, OEM 14 Pin Crossover Wiring Harness with Zip-Ties Removed.
Document History
Date
2016-6-30
Details
Module Created
Last Modified: 30-Jun-2016
Copyright © 2000-2010 Cummins
Inc. All rights reserved.
https://qsol.cummins.com/qs3/pubsys2/xml/en/tsb/2016/tsb160065.html
7/1/2016
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TSB/Document ID: TSB160065-063016
Replacement Service Bulletin Number:
MFR Communication Date: 2016-06-30
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM:WIRING
MFR Component System:
MFR Component Subsystem:
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