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Service bulletin E271

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 id10198760
Published by NHTSA2021-07-06
Manufacturer's numberE271
Manufacturer's date2021-06-08
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

An engine software update is required to resolve OBD system readiness, DEF doser diagnostics, and otherOBD system software related issues.

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

Engine

Vehicles listed
KENWORTH T6802014, 2015, 2016, 2017, 2018
KENWORTH T8002014 to 2018
KENWORTH T8802014, 2015, 2016, 2017, 2018
KENWORTH W9002014 to 2018
PETERBILT 3202014, 2015, 2016, 2017, 2018
PETERBILT 3652014, 2015, 2016, 2017, 2018
PETERBILT 3672014, 2015, 2016, 2017, 2018
PETERBILT 3892014, 2015, 2016, 2017, 2018
PETERBILT 5202014 to 2016
PETERBILT 5202017, 2018
PETERBILT 5672014, 2015, 2016, 2017, 2018
PETERBILT 5792014, 2015, 2016, 2017, 2018
PETERBILT 5872014, 2015, 2016, 2017, 2018

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

Recalls for the same vehicles and component
19V2820002019-04-09. ENGINE; ELECTRICAL SYSTEM
18V6570002018-09-21. ENGINE AND ENGINE COOLING:ENGINE:DIESEL
20162892016-06-08. Engine
15V5970002015-09-24. ELECTRICAL SYSTEM:IGNITION:MODULE; ENGINE AND ENGINE COOLING:ENGINE
20154182015-09-23. Engine
15V3090002015-05-26. ENGINE AND ENGINE COOLING:ENGINE
20152112015-05-15. Engine
20140462014-02-19. Engine
14V0860002014-02-18. ENGINE AND ENGINE COOLING:ENGINE

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
P0012026-09-29. Service bulletin. "Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes. 2 chassis added to the chassis list. Peterbilt: Dealers should check the chassis list and SIR weekly for VIN changes. 10 chassis added to the chassis list."
E3432026-09-23. Service bulletin. An exhaust manifold slip joint seal kit is now available for EPA 2017-2024 PACCAR MX-13 engines.
E3112026-07-30. Service bulletin. 105 chassis have been removed from the chassis list and unflagged in PRWS due to expiration of applicable warranty coverage. Total chassis population is 732.
E3112026-07-21. Service bulletin. The Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to include the latest prognostics bulletin verbiage.
E3112026-06-17. Service bulletin. The PACCAR Powertrain Prognostics Webcast video link has been removed. It will be included with updated information at a later date.
E3112026-06-03. Service bulletin. Kenworth - The Warranty section has been updated to include Peterbilt-specific SRT codes for cross-division repair filing.
41-0242026-05-20. Service bulletin. Procedures have been updated to include additional truck models in the service intervals table.
45-0702026-05-06. Service bulletin. The attached procedures document has been updated with more detail and explanations. This is not a stand-alone procedure. Cummins Quickserve troubleshooting will specify the use of these procedures while troubleshooting specific fault codes.
E3262026-05-06. Emissions. EPA17-24 MX Fuel Injector Connector - This bulletin has been revised to include all EPA17-24 and CARB24 PACCAR MX engines.
E3262026-04-07. Emissions. EPA17-24 MX-13 Fuel Injector Connector - This bulletin has been revised to include EPA24 PACCAR MX-13 engines.