E322 - EMY2024 carb mx
Peterbilt technical service bulletin E322 for 2025 Peterbilt 579, 2025 Peterbilt 567 and 2025 Peterbilt 589.
- Bulletin number
- E322 (E322)
- Component
- Engine
- Summary
- E322 - EMY2024 CARB MX Software Update - INTERIM Campaign – Interim Notification Certain model year 2025 567, 579 and 589 chassis equipped with EMY2024 CARB MX-13 engines and NA-100C software may experience a Malfunction Indicator Lamp (MIL) due to a software issue. If ignored, a derate may occur. This bulletin will be updated once the software is available.
Vehicles covered
- Peterbilt 579 2025 2025
- Peterbilt 567 2025 2025
- Peterbilt 589 2025 2025
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