# Service bulletin P003

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.

- Type: Service bulletin
- NHTSA id: 11036295
- Published by NHTSA: 2026\-08\-20
- Manufacturer's number: P003
- Manufacturer's date: 2026\-08\-13
- NHTSA component: ENGINE; ELECTRICAL SYSTEM

## NHTSA's summary

"For Peterbilt: Chassis list has been updated to include 1 chassis. The total chassis count is now 7. For Kenworth: Chassis list has been updated to include 1 chassis. The total chassis count is now 8."

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036295-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036295-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Engine

## Vehicles listed

- 2025 KENWORTH T680
- 2025 KENWORTH T880
- 2025 to 2027 PETERBILT 579

## Recalls for the same vehicles and component

- [2026367](/recalls/tc/2026367.md), 2026-07-27: Electrical
- [26V485000](/recalls/nhtsa/26V485000.md), 2026-07-27: ELECTRICAL SYSTEM:WIRING:POWER DISTRIBUTION MODULE/IPDM
- [25V569000](/recalls/nhtsa/25V569000.md), 2025-09-02: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
- [25V181000](/recalls/nhtsa/25V181000.md), 2025-03-24: ELECTRICAL SYSTEM:PROPULSION SYSTEM
- [24V915000](/recalls/nhtsa/24V915000.md), 2024-12-09: ELECTRICAL SYSTEM:SOFTWARE; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

## Other bulletins for the same vehicles and component

- [32\-014](/bulletins/11037549.md), 2026-09-29, Service bulletin: ELECTRICAL SYSTEM. This bulletin, the troubleshooting procedure, and the BMS Troubleshooting Checklist have been updated to show that the Autometer tool test results can be used in place of the Midtronics tool test results for fulfilling service and warranty requirements.
- [26PACD](/bulletins/11037543.md), 2026-09-29, Service campaign: ELECTRICAL SYSTEM. "The PKC Group power distribution center \(PDC\) in certain vehicles may be contaminated with oil, which could result in a loss of power to the engine, antilock brake system, exterior lighting, windshield wipers, and/or defrost system. This issue may also result in non\-compliance with multiple Federal Motor Vehicle Safety Standard \(FMVSS\) and Canadian Motor Vehicle Safety Standard \(CMVSS\) regulations, such as FMVSS/CMVSS 103 \(windshield defrosting and defogging systems\), 104 \(windshield wiping and washing systems\), and 108 \(lamps, reflective devices, and associated equipment\). PDC serial numbers of suspect trucks in the field will be inspected against the 26PACD Suspect Serial Number List in the Links section. If a match is identified, the PDC will be replaced."
- [P001](/bulletins/11037541.md), 2026-09-29, Service bulletin: ENGINE. "Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes. 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."
- [S024](/bulletins/11037540.md), 2026-09-29, Service bulletin: ELECTRICAL SYSTEM; SEATS. "\(KW\) Parts Shortage – Due to supplier constraints, certain T680 and T880 chassis were shipped without KIMS A/C refrigerant hose assembly. Parts are now available for installation. \(PB\) Parts Shortage – Due to supplier constraints, certain Model 567 and 579 chassis were shipped without Peterbilt SmartAir A/C refrigerant hose assembly. Parts are now available for installation."
- [E328](/bulletins/11037480.md), 2026-09-23, Service campaign: ELECTRICAL SYSTEM. Certain chassis with CARB 2024 compliant MX\-13 engines must have the PEU wiring harnesses updated. The original wiring and fuse are insufficient for electrical system operation and protection.
- [01\-094](/bulletins/11037479.md), 2026-09-23, Service bulletin: ELECTRICAL SYSTEM; UNKNOWN OR OTHER. \[SmartAir / KIMS\] A/C systems may shut down prematurely when voltage levels drop below a certain threshold.
- [E343](/bulletins/11037451.md), 2026-09-23, Service bulletin: ENGINE. An exhaust manifold slip joint seal kit is now available for EPA 2017\-2024 PACCAR MX\-13 engines.
- [P003](/bulletins/11037450.md), 2026-09-23, Service bulletin: ENGINE. "KW: A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section. PB: The chassis list has been updated to include 1 chassis. The total chassis count is now 10. A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section."
- [P001](/bulletins/11037449.md), 2026-09-23, Service bulletin: ENGINE. "KW: The chassis list has been updated to include 1 chassis. The total chassis count is now 53. A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section. PB: The chassis list has been updated to include 8 chassis. The total chassis count is now 130. A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section."
- [P002](/bulletins/11037448.md), 2026-09-23, Service bulletin: ENGINE. "KW: A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section. PB: The chassis list has been updated to include 2 chassis. The total chassis count is now 4. A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section."

JSON: [/v1/bulletins/11036295](/v1/bulletins/11036295)

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