Vehicle report

2023 PETERBILT 365

Service bulletins

27 bulletins

Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.

24KWL/PBL

Service Bulletin/Repair Instructions

The verbiage in the Introduction section has been updated.

43-088

Service Bulletin/Repair Instructions

The procedure has been updated to include additional steps for verifying the software level on the vehicle electronic control unit (VECU2) and digital display (DD). Steps have also been added to the PACCAR Common Rail Injection 2 (PCI2) software verification.

E316

Service Bulletin/Repair Instructions

235 chassis have been removed from the chassis list and unflagged in PRWS due to expiration of applicable warranty coverage. 5 chassis have been added to the chassis list. The total chassis population is now 15,637.

E318

Service Bulletin/Repair Instructions

The Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to include the latest prognostics bulletin verbiage. The Warranty section has also been updated to include Peterbilt specific SRT codes for filing cross-division repairs.

43-080

Service Bulletin/Repair Instructions

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.

E335

Service Bulletin/Repair Instructions

Warranty section has been updated to include hood length definitions and filing instructions for progressive damage.

E338

Service Campaign

Certain EPA21 PACCAR MX engines are equipped with PHINIA fuel injectors that do not meet PHINIA’s manufacturing specifications.

45-070

Service Bulletin/Repair Instructions

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.

22KWE/PBE

Service Bulletin/Repair Instructions

Sheppard Recall Order Process Update - The Parts section has been updated with revised steps for opening a TCS365 Order Support – Order Inquiry case.

CE031

Warranty Program/Extension

Fuel Injection Pump part number 2344776PEX for MX-13 engines has been added to this warranty policy.

24PBE_KWE

Service Bulletin/Repair Instructions

The Parts section has been updated to clarify that freight charges for safety recall orders should not be passed on to the end customer.

24PBE

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.

CE033

Warranty Program/Extension

32 fuel injector part numbers (16 for MX-11 and 16 for MX-13) have been added to this warranty policy.

T016 / 26-040

Service Bulletin/Repair Instructions

T016: Warranty section updated to include 0.5 hours for test drive. Recommended Repair T016C has been updated from 6.4 hours to 6.9 hours. SRT codes updated in PRWS Claim Coding Table: B25-17A for 6.9 hours created to replace all other codes. 26-040: Warranty section updated to include 0.5 hours for test drive. Recommended Repair 26040C has been updated from 6.4 hours to 6.9 hours. SRT codes updated in PRWS Claim Coding Table: B25-17A for 6.9 hours created to replace all other codes.

43-080 PB

Service Campaign

As of 03/25/2025, this campaign has resumed. Software updates are now available to complete this campaign.

E327

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. 11014768 20250304 E327 20250227 E327 Emissions PETERBILT 389 2024 ELECTRICAL SYSTEM 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.

24PBL

Service Bulletin/Repair Instructions

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

32-025

Service Bulletin/Repair Instructions

Info Only Unnecessary starter replacements can result from customer complaints regarding engine starting issues. A new Starter Troubleshooting Guide has been created to provide a comprehensive list of starting system checks, which should reduce unnecessary starter replacements and associated warranty claims. Engine starting system warranty claims now require a completed Starter Checklist, a Battery Pack Midtronics Report, and a Cable Drop Midtronics Report. Claims filed without these documents may be denied.

02-194

Service Bulletin/Repair Instructions

Fix-As-Fail The window switch fails prematurely due to excessive amperage flowing through the window switch circuit. A new door harness design has been developed to prevent failures. Fix-As-Fail start date is 11/11/2024.

16-044

Service Bulletin/Repair Instructions

Fix As Fail The height control valve (HCV) rod on vehicles with low air leaf suspensions is prone to toggling over center during rough road conditions. With full suspension articulation, HCV bracket flexes and toggles over center the HCV linkage, which results in either deflated airbags or makes them unable to inflate. Fix-as-fail start date is 07/30/2024.

E307

Service Bulletin/Repair Instructions

CARB Emission s Manufacturer Warranty term and/or kilometers conversion displayed in certain EMY 2022-2023 PX-7 or PX-9 Operator’s Manuals are incorrect.

E306

Service Bulletin/Repair Instructions

Incorrect fuel filter drain and replacement procedures on EPA21 MX-11 and MX-13 engines can result in the following: .Debris and contaminants introduced into the high-pressure fuel system. .Denial of warranty claims for injector and/or fuel system faults. .Misfire, rough running, engine knock, and other associated faults and symptoms. Correct fuel filter procedures are outlined in attached service documentation.

51-015

Service Bulletin/Repair Instructions

RFID (Radio Frequency ID) tags are being added and used to track Non-Test Ready (NTR) trucks to efficiently locate them once they are off the production line, but still on the premises. The tags are left on the trucks which have been sold.

63-009

Service Bulletin/Repair Instructions

Peterbilt SmartLINQ subscriptions can be renewed online via PACCAR Solutions RemoteDiagnostics web portal.

45-064

Service Bulletin/Repair Instructions

Info Only - PACCAR is introducing Over-the-Air (OTA) software updates for engine MY17 and newer chassis equipped with Cummins X15, X12, ISX12, ISX12N, L9N, PX-7, and PX-9 engines The technology will leverage the existing Remote Diagnostic cs hardware to deliver secure software updates remotely. This will reduce downtime and save on maintenance costs for eligible vehicles.

13-060

Service Bulletin/Repair Instructions

The service information for Bendix Air Dryer maintenance is being updated to include new procedures.

56-005

Service Bulletin/Repair Instructions

During PTO mode, the engine will not ramp up to the set RPM speed.

Reading this report

Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.

2023 Peterbilt 365 Service Bulletins: 27 bulletins | CarFathom