WenmarOpen by Wenmar Pro

Service bulletin 03-071

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10169787
Published by NHTSA2020-01-04
Manufacturer's number03-071
Manufacturer's date2019-12-18
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

Information Only - Vehicles built with NAMUX software from 2013 to present may experience accuracy issues with the tachometer. The issue can be temporarily resolved using any one of the included procedures.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Software

Vehicles listed
KENWORTH 9632011 to 2016
KENWORTH C5002011 to 2019
KENWORTH C5402011 to 2016
KENWORTH C5502011 to 2016
KENWORTH K1702016
KENWORTH K2702011 to 2018
KENWORTH K3002012, 2013, 2014, 2015, 2016
KENWORTH K3702011 to 2018
KENWORTH K5002011 to 2012
KENWORTH T1702012 to 2018
KENWORTH T20002011 to 2012
KENWORTH T2702011 to 2020
KENWORTH T3002011
KENWORTH T3702011 to 2020
KENWORTH T4002011
KENWORTH T4002013 to 2015
KENWORTH T4402011 to 2020
KENWORTH T4702011 to 2017
KENWORTH T4702020
KENWORTH T6002011
KENWORTH T6002013
KENWORTH T6002017 to 2019
KENWORTH T6602011 to 2019
KENWORTH T6802011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
KENWORTH T7002011 to 2014
KENWORTH T8002011 to 2020
KENWORTH T8802011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
KENWORTH W9002011 to 2020
KENWORTH W9902019, 2020
PETERBILT 2102011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
PETERBILT 2202015, 2016, 2017, 2018
PETERBILT 3202011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
PETERBILT 3252011
PETERBILT 3252014, 2015, 2016, 2017, 2018, 2019, 2020
PETERBILT 3302011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
PETERBILT 3352011
PETERBILT 3372011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
PETERBILT 3402011
PETERBILT 3482011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
PETERBILT 3572011, 2012, 2013, 2014, 2015, 2016
PETERBILT 3652011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
PETERBILT 3672011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
PETERBILT 3782011, 2012, 2013, 2014, 2015, 2016
PETERBILT 3792011, 2012, 2013, 2014, 2015, 2016
PETERBILT 3822011, 2012, 2013, 2014, 2015, 2016
PETERBILT 3842011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
PETERBILT 3852011, 2012, 2013, 2014, 2015, 2016
PETERBILT 3862011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
PETERBILT 3872011, 2012, 2013, 2014, 2015, 2016
PETERBILT 3882011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
PETERBILT 3892011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
PETERBILT 389G2016 (the catalog's model; the bulletin names a series or trim of it)
PETERBILT 389K2014 (the catalog's model; the bulletin names a series or trim of it)
PETERBILT 5202011 to 2016
PETERBILT 5202017, 2018, 2019, 2020
PETERBILT 5672011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
PETERBILT 5792011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
PETERBILT 5872011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
PETERBILT MODEL 2202011 to 2014

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
21V9060002021-11-19. ELECTRICAL SYSTEM:SOFTWARE; SERVICE BRAKES, AIR
11V3800002011-07-21. ELECTRICAL SYSTEM:SOFTWARE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
26-0372021-01-06. Service bulletin. Fix-As-Fail - Prior versions of Eaton Endurant transmission software may be prone to setting Linear Clutch Actuator (LCA) fault codes leading to possible LCA hardware replacement.
03-0702019-06-11. Service bulletin. Fix as Fail: Vehicles built 11/30/15 to 7/18/16 may display an error message in the Service Advised display after updating CECU software.
99-0352019-05-13. Service bulletin. Information Only: Notification that DAVIE4 can be used to program Model 210 and Model 220 Vehicles.
13-0492019-03-18. Service bulletin. Information: Bendix ACOM Software version 6.16.5.0 for diagnostics may introduce an unrecoverable error. Notice to dealers to replace this version with older software version until Bendix introduces new version.
SB-E-0972014-08-16. Service bulletin. PETERBILT: THE MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATES DUE TO AN ENGINE CONTROL UNIT (ECU) SOFTWARE ISSUE, REAR NOX SENSOR, OPERATING CORRECTLY. *PE
SB-14-132013-12-12. Service bulletin. PETERBILT: TRANSITION PLAN AVAILABLE FOR DAVIE4 DIAGNOSTIC TOOL FOR CERTAIN TRUCKS. MODELS 220, 210. *PE
RN-111122012-02-27. Service bulletin. PETERBILT TRUCK: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON CERTAIN TRUCKS, WITH SMARTNAV SYSTEM INSTALLED, A NEW SOFTWARE IMPROVEMENTS HAS BEEN PROVIDED. *PE
SB-E-0432012-01-07. Service bulletin. PETERBILT TRUCK: SOFTWARE UPDATE FOR ENGINE CONTROL UNIT (ECU) AND AFTERTREATMENT CONTROL UNIT IS AVAILABLE FOR CERTAIN VEHICLES THAT ARE ELIGIBLE. *PE