SB-E-097

E97 SW Issue False DTC P3928
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SB-10056025-1901
Service Bulletin
E097
Section
Engine
Description
Software Issue May Cause a False DTC P3928
Release Date
6/27/2014
Introduction
An issue in the ECU software on some MY2013 and all MY2014 trucks may activate DTC P3928, causing the MIL to
illuminate even though the rear NOx sensor is still operating correctly.
Some MY2013 and all MY2014 Peterbilt trucks equipped with software component numbers that fall between, or
include, 1998655 and 1998663.
Resolution
FIX-AS-FAIL
If a customer comes into your dealership and demonstrates the condition above, diagnose the issue using the
procedure below. New software is under development to fix this issue.
Warranty
Through Standard Warranty (excludes Extended Warranty) or for repairs completed by 07/01/2015, whichever is
greater, Peterbilt will pay for parts at dealer net, plus applicable mark-up and labor.
0.5 hours labor to reset the DTC. (Use Quick Claim Code E097).
File a long claim for additional labor after a quick claim has been submitted for extraordinary circumstances
(which must be explained).
Claim Coding:
For Field...
Enter...
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E97 SW Issue False DTC P3928
Failure Location
045-021-803
Failure Type
700
Claim Type
A
Responsibility
01
SRT 045-097
0.5 hours labor
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Procedure
1. Determine the build date of the vehicle.
Between 1/1/2013 and 12/31/2013
After 1/1/2014
Go to Step 2.
Go to Step 3.
2. Check for the PCI software version present in the ECU: Look up the part number for software component 1083,
(See the "Software Part Number Search in DAVIE,” procedure below). Does the 1083 software component part
number fall between or include 1998655 and 1998663?
YES
NO
Go to Step 3.
Refer to the troubleshooting information for DTC P3928.
3. Investigate Trouble Codes: Use “DAVIE Diagnostics” to perform a “Quick Check” for current trouble codes. Are
there any other DTC’s present?
YES
NO
DTC P3928 is caused by an issue in the
Refer to the troubleshooting
ECU software.
information for other codes
Clear the DTCs with DAVIE.
before continuing with this
Complete a stationary regen.
procedure.
The repair is complete.
Software Part Number Search In DAVIE:
1. Click on the Home screen on the Software button under “Vehicle Update.”
2. On the “Software” screen, find the PCI in the list of ECUs and click on the “Information” button on the right side of
the screen.
3. In the “Component Group” column, find “Component Number 1083.” It may be necessary to scroll down.
4. The currently installed part number of Component group 1083 is listed in the column Installed (ECU).
5. The latest version of the part number of Component group 1083 is listed in the column “Latest Release.”
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