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Service bulletin 34-093

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 id10227167
Published by NHTSA2022-12-05
Manufacturer's number34-093
Manufacturer's date2022-11-10
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

34-093 Model 389 78-inch Sleeper 12V Power Port Supplier Change

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

Vehicles listed
PETERBILT 3892014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
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)

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

Recalls for the same vehicles and component
24V9150002024-12-09. ELECTRICAL SYSTEM:SOFTWARE; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE
22V7790002022-10-17. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
21V9060002021-11-19. ELECTRICAL SYSTEM:SOFTWARE; SERVICE BRAKES, AIR
20200902020-03-05. Electrical
20V1300002020-03-04. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
16V4260002016-06-10. ELECTRICAL SYSTEM:IGNITION:MODULE
15V5970002015-09-24. ELECTRICAL SYSTEM:IGNITION:MODULE; ENGINE AND ENGINE COOLING:ENGINE
15V4560002015-07-22. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
20153172015-07-20. Electrical
20151892015-05-08. Electrical

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
43-0802026-06-17. Service bulletin. "KW: A new recommended repair has been added to verify the software level and close the campaign in SIR.The repair procedure has been updated with additional note boxes for clear instructions. PB: The repair procedure has been updated with additional note boxes for clear instructions."
R21032026-06-17. Service bulletin. Updated the point of contact for sourcing the MX Engine Overlay Harness Kits. This retrofit should have been completed by 5/15/2022 per the Action section of the bulletin. However, trucks still open in SIR are still eligible for the repairs.
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.
24PBE_KWE2026-03-05. Service bulletin. The Parts section has been updated to clarify that freight charges for safety recall orders should not be passed on to the end customer.
24PBE2025-12-05. Service campaign. The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector. Loss of communication between the right-hand shift stalk and the vehicle may result in the vehicle being disabled after it comes to a stop, thereby increasing the risk of crash or injury. A warning will appear on the dash display when communication is lost, including transmission or engine warnings, “!” next to DNR/DNRP indicator, “-“ in the DNR/DNRP indicator, and/or chimes, depending upon whether you are operating a diesel/gas or battery electric vehicle.
43-080 PB2025-04-04. Service campaign. As of 03/25/2025, this campaign has resumed. Software updates are now available to complete this campaign.
E3272025-03-04. Emissions. "Vehicles equipped with PACCAR MX engines with Engine Software Version NA202 or NA206 may display a dash STOP lamp incorrectly. PCI-2 software on these chassis must be reverted from NA202 to NA201 (Pack 2 injectors) or from NA206 to NA191 (Pack 1 injectors) to prevent incorrect STOP lamp display.
24PBL2025-02-05. Service bulletin. Safety Recall Updated software and procedures are now available. Certain Vehicle Model Year 2021-2025 Peterbilt chassis configured for trailer towing require a software update for the Bendix EC80 ABS ECU. Software update procedures for certain Battery-Electric Vehicles (BEV) and EC80 ABS ECU part numbers are not yet available. This bulletin will be updated when software update procedures are available for these chassis. Safety Recall publish date: 1/10/25
27-0102024-10-05. Service bulletin. Fix As Fail Approximately 150 chassis built with an Allison 6th Gen 4500 series 6-speed transmission were assembled with the incorrect transmission harness. A procedure to re-pin transmission harness has been developed. Fix-as-Fail start date is 09/18/2024.
24PBE2024-04-03. Service bulletin. INTERIM Safety Recall Parts are not currently available for this safety recall. This bulletin will be updated once repair parts are available. The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector. Loss of communication between the right-hand shift stalk and the transmission may result in the vehicle becoming disabled after it comes to a stop thereby increasing the risk of crash or injury. A transmission fault will appear on the dash display if communication is lost.