March 20, 2023 NHTSA CAMPAIGN NUMBER: 23V185000
Stuck Park Valve Module May Cause Rollaway
A PVM that fails to move into park can cause a vehicle rollaway, increasing the risk of a crash.
NHTSA Campaign Number: 23V185
Manufacturer PACCAR Incorporated
Components PARKING BRAKE
Potential Number of Units Affected 25
PACCAR Incorporated (PACCAR) is recalling certain 2023-2024 Peterbilt 579 trucks. The Intellipark Tractor Park Valve Module (PVM) may intermittently become stuck in the un-parked position and fail to move into the park position when the park switch is activated.
Dealers will replace the PVM with a new corrected part, free of charge. Owner notification letters are expected to be mailed by May 19, 2023. Owners may contact PACCAR’s customer service at 1-940-591-4220. PACCAR’s number for this recall is 23PBC.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Safety Recall – 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 dashboard.
Warning which can precede or occur: Park indication LEDs on the park switch remain oﬀ after the park switch is 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 indicating that the vehicle is not parked.
This is to inform dealers of the existence of a safety recall. This bulletin will be updated when repair procedures are developed, and necessary parts are available.
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.
2 Affected Products
3 Associated Documents
Defect Notice 573 Report
Paccar – Safety Bulletin – April 2023RCSB-23V185-2968
Latest Recalls Documents
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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 : PACCAR Incorporated Submission Date : 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 The information contained in this report was submitted pursuant to 49 CFR §573 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. 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 : Remedy components will have a new part number. Identify How/When Recall Condition was Corrected in Production : 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
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) 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. Warning which can precede or occur: Park indication LEDs on the park switch remain oﬀ after the park switch is 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 indicating that the vehicle is not parked. Interim Notiﬁcation This is to inform dealers of the existence of a safety recall. This bulletin will be updated when repair procedures are 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 or noncompliance has been corrected. Links 23PBC Chassis List Authored by D. Cook