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2023 Peterbilt 337 TSBs

12 Technical Service Bulletins across 6 categories

Other

3 bulletins
11037541

"Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes.

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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."

10227165

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

10225794

This is a follow-up bulletin to shortage bulletin S017.

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Parts kits are now available to install the Bendix Side Collision Mitigation Radar system (BlindSpotter) on chassis that were delivered with a prewire sales code due to parts shortages. Ordering and installation procedures are included.

Software & Calibration

3 bulletins
11036291

The verbiage in the Introduction section has been updated.

11030916

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

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Support Order Inquiry case.

10219235

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

Engine

3 bulletins
11010926

Info Only Unnecessary starter replacements can result from customer complaints regarding engine starting issues.

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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.

11005516

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.

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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.

10225578

Info Only - PACCAR is introducing Over-the-Air (OTA) software updates for engine MY17 and newer chassis equipped with...

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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.

Brakes

1 bulletin
11013775

Safety Recall Updated software and procedures are now available.

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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

Fuel System

1 bulletin
10254171

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

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Operators Manuals are incorrect.

Infotainment

1 bulletin
10233380

RFID (Radio Frequency ID) tags are being added and used to track Non-Test Ready (NTR) trucks to efficiently locate them...

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once they are off the production line, but still on the premises. The tags are left on the trucks which have been sold.