NHTSA ID Number: 10152534
Manufacturer Communication Number: 45-059
TSB/Document Date: 2019-01-07
Summary
Non-Safety Campaign: Vehicles built with MY2018 PACCAR
MX Engine may have improper grounding from the air dryer pressure ground signal. Improper grounding creates faults and signal noise and potential DTCs.
45-059Air Dryer Pressure Ground Signal
Page 1 of 3
Repair Notice
45-059
Section
45 - Engine Chassis Harness
Description
Air Dryer Pressure Ground Signal Fault Codes
Release Date
11/8/2018
Revision History
11/26/2018 - Updated part number to CN11750
Introduction
Peterbilt has determined that vehicle Models 365, 367, and 389 were manufactured with a Model Year 2018
PACCAR MX engine may have improper grounding from the air dryer pressure ground signal. The improper grounding
creates faults and signal noise. DTC P1115 may set.
Resolution
CAMPAIGN
Service all chassis affected that enter your dealership, even if the customer has no issue with the chassis.
1. Review the attached chassis list for your dealer code and schedule your customer(s) for service if
their chassis is on the list.
2. If you are not using SmartLINQ Service Management to start repair orders, review the DWWC or
SIR for “Complete” next to the “45059” campaign code prior to performing this repair.
3. Follow the procedures below to install a jumper to correctly ground the signals.
Warranty
Through Standard Warranty or for repairs completed by 12/01/2019, whichever is greater, Peterbilt will pay for parts
https://eportal.paccar.com/dealer/uspb/en/service/vehiclebulletins/vehiclefieldrepair/Pages/... 12/4/2018
45-059Air Dryer Pressure Ground Signal
Page 2 of 3
at dealer net plus applicable mark-up and labor:
0.3 hours labor to install the new ground jumper. Use Quick Claim Code 45059.
File an additional claim for extraordinary circumstances, referencing 45059 in the CCC. A quick claim for
standard labor must be filed first.
Direct Fleets and Dealer Sponsored Fleets (DSF) may not use quick claims when submitting for repairs on
chassis related to this bulletin but must submit a long form specifying part numbers, quantities, and pricing for
parts used in the repair. Submittal of a Quick Claim for repairs made by the Fleet will be denied as pricing is
incorrect on quick claims.
For Field...
Enter...
Failure Location
045-002-074
Failure Type
700
Claim Type
C
Responsibility
09
SRT 045-A10
0.3 hours labor to install a new jumper
harness
Take off parts disposition: Scrap all take off parts 30 days after claim is paid
Parts
Parts are available at PACCAR Parts.
PART NUMBER
DESCRIPTION
QTY
A92-6018-2500
Overlay harness
1
CN11750
Chassis harness end cap
1
CN50300
Connector plug
3
zip tie straps
As needed
Procedure
Procedure:
45-059 Air Dryer Pressure Sensor Overlay Harness Procedure
Attachments
45-059 Chassis List
45-059 Customer Letter
https://eportal.paccar.com/dealer/uspb/en/service/vehiclebulletins/vehiclefieldrepair/Pages/... 12/4/2018
45-059Air Dryer Pressure Ground Signal
Page 3 of 3
Access to PACCAR’s Enterprise Portal is provided as a benefit of doing business with PACCAR. All applications and content accessed
through this system are confidential and proprietary and the property of PACCAR Inc and its suppliers, and must be kept strictly
confidential pursuant to the contract licensing such access. Disclosure, publication, release or distribution of any material found on
PACCAR systems to any person other than employees with a need to know such information is strictly prohibited. All activity on this
system is monitored. If PACCAR suspects or discovers any unauthorized activity, access may be immediately terminated without
prior notification. Violators may be subject to legal action.
© Copyright 2018 PACCAR Inc. All rights reserved. We welcome your feedback on this page. For technical questions or concerns
about this page, please contact the DealerNet Webmaster.
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TSB/Document ID: 45-059
Replacement Service Bulletin Number:
MFR Communication Date: 2018-11-08
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE
MFR Component System:
MFR Component Subsystem:
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