23PBC Stuck Park Valve Module May Cause Rollaway – 2023-2024 Peterbilt 579

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Our records indicate that these vehicles are affected by 23PBC and are owned by
Subject: Safety Recall: 23PBC – Bendix Intellipark recall
NHTSA: 23V185
EXPIRATION DATE: NONE
This notice applies to your vehicle. Your VIN(s) can be found on the bottom or back of this page.
Dear Peterbilt Customer,
This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act.
Peterbilt has decided that a defect which relates to motor vehicle safety exists in certain 2023 to 2024 Model Year 579 tractor chassis built
from 07/27/2022 through 02/03/2023 and equipped with the Bendix Intellipark option. The Bendix Intellipark Tractor Park Valve Module (PVM)
may intermittently become stuck in the un-parked position and may not transition from unparked to parked when the park switch is pulled on
the vehicle dashboard.
An Intellipark PVM that is stuck in the un-parked position does not allow the vehicle spring brakes to exhaust when the operator pulls the park
switch. In order to park the vehicle, the operator must deplete air storage in the air brake system by fanning-down the service brake pedal. If an
operator does not properly fan down the brakes, the vehicle may move unexpectedly, which may increase the risk of a crash.
What is the problem? The Bendix Intellipark Tractor Park Valve Module (PVM) may intermittently become stuck in the un-parked
position.
What will your dealer do? When the repair procedure and parts are available, your dealer will replace the necessary parts per the
decided repair procedure.
What should you do? There is no action required on your part at this time. You will receive a letter notifying you when the repair
procedure and parts are available.
Peterbilt Motors Company has initiated this recall to remedy the issue with no charge to you. Currently, the repair procedure is unavailable
to correct this condition. However, Peterbilt is required to notify customers of the existence of the identified safety defect. You will be
notified by mail when the repair procedure and parts become available.
If you require further information about this recall, reimbursement of a pre-notification remedy associated with this recall, or experience any
difficulty in making arrangements for this repair, please contact: Peterbilt Motors Company, 1700 Woodbrook St, Denton, TX 76205, Attn:
Customer Experience Department.
If you conclude that Peterbilt has not enabled you to remedy this defect in a reasonable time and without charge, you may submit a complaint
to: Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, S.E., Washington, DC 20590, or call the toll free
Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov.
Federal regulation requires that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days. If
you no longer own this vehicle, we would appreciate your advising us of the new owner. Please send all known ownership and address
changes to PBDiv.Warranty.Docs@paccar.com.
We apologize for any inconvenience this preventive procedure may cause and thank you for your participation in helping Peterbilt provide the
highest levels of customer satisfaction and service expertise. We value your business and appreciate your ongoing loyalty to Peterbilt and its
dealer network. Industry-leading quality, performance and reliability are hallmarks of Peterbilt products, and we thank you for making Peterbilt
your truck of choice.
Sincerely,
Michelle Ponsonby
Director of Customer Experience
Peterbilt Motors Company
IMPORTANT SAFETY RECALL
Interim Notification
Scan this QR code to open the
Peterbilt Dealer Locator.
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BNFFFNB MGAOALIKAKBON M A BNFFFNB
FOBAOCFH DFNHJDGCCBKADJAGMAINALAB
ALLJFHFHEBDIANDGHJ EJOHGEGMKHBMD
IEMDMFED JNMCEJHOE AFCDOGANADFML
MFOEDEFHMLGBKOEIDLMLBDNJENIEOCHFI
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A BBB A JCLKDADFBCG JHDAAFEAGNHHC
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23PBC – Bendix Intellipark: NHTSA #23V185
Number
23PBC
Supplier
Bendix
Description
23PBC – Bendix Intellipark: NHTSA #23V185
Date
4/3/2023
What’s New
Safety Recall
– Certain tractors equipped with Bendix Intellipark Tractor Park Valve Module (PVM) mayintermitt ently become stuck in the un-parked positi on and may not transiti on from unparked to parked when thepark switch is pulled on the vehicle dashboard.
Warning which can precede or occur: Park indicati on LEDs on the park switch remain off aft er the park switch ispulled indicati ng that the spring brake system has not exhausted, and the vehicle is not parked. Audible exhaustsounds that typically are heard as an air-braked vehicle is parked will not be heard indicati ng that the vehicle is notparked.
Interim Noti fi cati on
This is to inform dealers of the existence of a safety recall. This bulleti n will be updated when repair proceduresare developed, and necessary parts are available.
Situation
25 (25 U.S. Only) 2023 to 2024 Model Year 579 chassis manufactured between 07/27/2022 and 02/03/2023.
Federal Law
It is a violation of Federal law for a dealer to sell or lease new vehicles covered by this recall until the defect ornoncompliance has been corrected.
Links
23PBC Chassis List
Authored by D. Cook

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9/12/23, 3:46 PM Federal Recall Bulletin
https://paccarnet.sharepoint.com/sitepages/wtyfedrecallbltndetail.aspx?ctx=eyJ3ZWJVcmwiOiJodHRwczovL3BhY2Nhcm5ldC5zaGFyZXBvaW50LmNvbS9zaXRlcy9hdXRob3J3YXJyYW50eSIsImxpc3R… 1/2
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23PBC – Bendix Intellipark: NHTSA #23V185
Number
23PBC
Supplier
Bendix
Description
23PBC – Bendix Intellipark: NHTSA #23V185
Date
4/3/2023
What’s New
Safety Recall
– Bendix has established a repair procedure and is providing the parts to update and correct this issue.
Certain tractors equipped with Bendix Intellipark Tractor Park Valve Module (PVM) may intermitt ently become stuck in the un-parked positi on and may nottransiti on from unparked to parked when the park switch is pulled on the vehicle dashboard.
Warning which can precede or occur: Park indicati on LEDs on the park switch remain off aft er the park switch is pulled indicati ng that the spring brakesystem has not exhausted, and the vehicle is not parked. Audible exhaust sounds that typically are heard as an air-braked vehicle is parked will not beheard indicati ng that the vehicle is not parked.
9/12/23, 3:46 PM Federal Recall Bulletin
https://paccarnet.sharepoint.com/sitepages/wtyfedrecallbltndetail.aspx?ctx=eyJ3ZWJVcmwiOiJodHRwczovL3BhY2Nhcm5ldC5zaGFyZXBvaW50LmNvbS9zaXRlcy9hdXRob3J3YXJyYW50eSIsImxpc3R… 2/2
Situation
25 (25 U.S. Only) 2023 to 2024 Model Year 579 chassis manufactured between 07/27/2022 and 02/03/2023.
Federal Law
It is a violation of Federal law for a dealer to sell or lease new vehicles covered by this recall until the defect or noncompliance has been corrected.
Warranty
Bendix will be performing all repairs in the field and Peterbilt dealers will not be involved. There is no applicable warranty procedure.
Procedure
Peterbilt and Kenworth dealers
will not
be performing repairs for this issue.
Bendix will be handling all repairs in the field. The repair procedure attached in the Links section is for reference only and is not to be used byPeterbilt or Kenworth dealers to perform any repairs related to this safety recall.
Parts
Please note that Bendix will be performing all repairs in the field and the following parts are for reference only.
Links
23PBC Chassis List
Bendix Repair Procedure
(for reference only)
Final U.S. Customer Letter
Authored by D. Cook
Revision History
Converted from Interim to Final on June 6, 2023

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Our records indicate that these vehicles are affected by 23PBC and are owned by
Subject: Safety Recall: 23PBC – Bendix Intellipark recall
NHTSA: 23V185
EXPIRATION DATE: NONE
This notice applies to your vehicle. Your VIN(s) can be found on the bottom or back of this page.
Dear Peterbilt Customer,
This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act.
Peterbilt has decided that a defect which relates to motor vehicle safety exists in certain 2023 to 2024 Model Year 579 tractor chassis built
from 07/27/2022 through 02/03/2023 and equipped with the Bendix Intellipark option. The Bendix Intellipark Tractor Park Valve Module (PVM)
may intermittently become stuck in the un-parked position and may not transition from unparked to parked when the park switch is pulled on
the vehicle dashboard.
An Intellipark PVM that is stuck in the un-parked position does not allow the vehicle spring brakes to exhaust when the operator pulls the park
switch. In order to park the vehicle, the operator must deplete air storage in the air brake system by fanning-down the service brake pedal. If an
operator does not properly fan down the brakes, the vehicle may move unexpectedly, which may increase the risk of a crash.
What is the problem? The Bendix Intellipark Tractor Park Valve Module (PVM) may intermittently become stuck in the un-parked
position.
What will your dealer do? Bendix, the manufacturer of the Intellipark system, will replace the Park Valve Module (PVM) in your chassis
listed on this letter with an updated part to address this issue. Bendix will work directly with you to coordinate
and perform repairs. Your Peterbilt dealer will not perform this repair.
What should you do? There is no action required on your part. Bendix will work with you directly to coordinate and perform repairs.
Peterbilt Motors Company has initiated this recall to remedy the issue with no charge to you. Bendix, the manufacturer of the Intellipark
system, will replace the Park Valve Module (part number: K171243) with an updated part (part number: K266600R00) in your chassis to
address the issue. Bendix will be coordinating and performing all repairs to remedy this issue. The repair will take approximately 1 hour to
complete. Your Peterbilt dealer will not perform this repair. If you have any questions about this repair, please contact the Bendix representative
at: Kumar.Nale@bendix.com.
If you require further information about this recall or experience any difficulty in making arrangements for this repair, please contact the Peterbilt
Customer Experience Department at PB.Tech.Pubs.Dept@paccar.com.
If you conclude that Peterbilt has not enabled you to remedy this defect in a reasonable time and without charge, you may submit a complaint
to: Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, S.E., Washington, DC 20590, or call the toll free
Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov.
Federal regulation requires that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days. If
you no longer own this vehicle, we would appreciate your advising us of the new owner. Please send all known ownership and address
changes to PBDiv.Warranty.Docs@paccar.com.
We apologize for any inconvenience this preventive procedure may cause and thank you for your participation in helping Peterbilt provide the
highest levels of customer satisfaction and service expertise. We value your business and appreciate your ongoing loyalty to Peterbilt and its
dealer network. Industry-leading quality, performance and reliability are hallmarks of Peterbilt products, and we thank you for making Peterbilt
your truck of choice.
Sincerely,
Michelle Ponsonby
Director of Customer Experience
Peterbilt Motors Company
IMPORTANT SAFETY RECALL
Scan this QR code to open the
Peterbilt Dealer Locator.
AHEEEHA CJDHENJNDLEFJHIDO AHEEEHA
BNFFFNB MGAOALIKAKBON M A BNFFFNB
FOBAOCFH DFNHJDGCCBKADJAGMAINALAB
ALLJFHFHEBDIANDGHJ EJOHGEGMKHBMD
IEMDMFED JNMCEJHOE AFCDOGANADFML
MFOEDEFHMLGBKOEIDLMLBDNJENIEOCHFI
MFFNFNE ACOBBOMLCEMI KDMAHFHACOO
A BBB A JCLKDADFBCG JHDAAFEAGNHHC
HHHHHHH HH H H HH H H H H H H

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OMB Control No.: 2127-0004
Part 573 Safety Recall Report 23V-185
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
PACCAR Incorporated MAR 20, 2023 NHTSA Recall No. : 23V-185 Manufacturer Recall No. : 23PBC Manufacturer Information :
Manufacturer Name : PACCAR Incorporated
Address : 777 106TH AVENUE NORTHEAST BELLEVUE WA 98004
Company phone : 940 591 4220
Population :
Number of potentially involved : 25 Estimated percentage with defect : 2 %
Vehicle Information : Vehicle 1 : 2023-2024 Peterbilt 579
Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : ALL Power Train : DIESEL
Descriptive Information : 25 technology development tractors built with optional electronic park brake Production Dates : JUL 27, 2022 – FEB 03, 2023
VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect :
Description of the Defect : Certain tractors equipped with Bendix Intellipark Tractor Park Valve Module (PVM) may intermittently become stuck in the un-parked position and may not transition from unparked to parked when the park switch is pulled on the vehicle dash board. Bendix informed PACCAR that they issued an equpment recall for this issue.
FMVSS 1 : NR FMVSS 2 : NR
Description of the Safety Risk : An Intellipark PVM that intermittently becomes stuck in the un-parked
position does not allow the vehicle spring brakes to exhaust when the driver pulls the park switch. The vehicle must be parked by depleting air storage by fanning-down the air brake system with the service brake pedal. If a driver does not properly fan down the brakes, the vehicle may unintentionally move which increases the risk of a crash and/or injury.
Description of the Cause : Mechanical components in the PVM that are at the upper limit of the design specification and other tolerance stack-ups allow for excessive internal air leakage. The internal leakage does not allow pressure to build properly when the pilot solenoid is activated.
Identification of Any Warning Park indication LEDs on the park switch remain off after the park switch is Part 573 Safety Recall Report 23V-185 Page 2 that can Occur : pulled, indicating that the spring brake system has not exhausted and the vehicle is not parked. Audible exhaust sounds that typically are heard as an air-braked vehicle is parked will not be heard; the absence of audible exhaust sounds indicates that the vehicle has not parked. Involved Components : Component Name 1 : Valve – Park Component Description : Towing PVM Component Part Number : K171241, K182604 Supplier Identification : Component Manufacturer
Name : Bendix Commercial Vehicle Systems Address : 35500 Chester Rd
Avon Ohio 44011
Country : United States Chronology :
02-27-2023: Engineering notified Safety & Compliance that Bendix filed equipment recall 23E-015 for Intellipark PVM. Safety & Compliance opened defect investigation. 03-01-2023: Bendix provided root cause, design changes and validation plan to correct defect. 03-07-2023: Gathered affected vehicle population. No warranty claims or field reports.
03-10-2023: Determined vehicle population beyond PACCAR control included only Peterbilt chassis. 03-13-2023: Suspect population finalized.
03-14-2023: Safety Committee determines a safety related defect exists. The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-185
Page 3
The information contained in this report was submitted pursuant to 49 CFR §573
Description of Remedy :
Description of Remedy Program : Affected vehicle owners will be notified and dealers will replace PVM with
new corrected part free of charge. Owners who incurred costs to obtain a remedy for the problem addressed by the recall in advance of receiving notification may seek reimbursement through the process outlined in the general reimbursement plan on file. How Remedy Component Differs from Recalled Component :
Identify How/When Recall Condition was Corrected in Production : Remedy components will have a new part number. Production is on hold until new corrected parts are available from Bendix.
Recall Schedule :
Description of Recall Schedule : Notifications will be sent within 60 days.
Planned Dealer Notification Date : MAY 19, 2023 – MAY 19, 2023
Planned Owner Notification Date : MAY 19, 2023 – MAY 19, 2023
* NR – Not Reported

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