Procedures are now available for Phase 1 chassis equipped with Internal Combustion Engines (ICE) and...
Kenworth technical service bulletin 25PACF for 2023-2026 Kenworth T680, 2023-2026 Peterbilt 579 and 2023-2026 Kenworth T880 and others.
- Bulletin number
- 25PACF (25PACF)
- Component
- Exterior lighting
- Summary
- Procedures are now available for Phase 1 chassis equipped with Internal Combustion Engines (ICE) and Vehicle Electronic Control Unit (VECU) part number Q21-1157-013-011 / Q21-1157-013-013. Parts and procedures for Phase 2 chassis will be available at a later date. This bulletin will be updated at that time. Please refer to the condition section for more details. Certain Ethernet Multiplexed Architecture (EMUX) chassis fail to conform to Federal and Canada Motor Vehicle Safety Standards (FMVSS/CMVSS) No. 108. Delayed or unsteady illumination of the vehicle’s stop lamps, reverse lamps, turn signal lamps and inadvertent change in headlamp illumination or lift axle position may"
Vehicles covered
- Kenworth T680 2023-2026 2023202420252026
- Peterbilt 579 2023-2026 2023202420252026
- Kenworth T880 2023-2026 2023202420252026
- Peterbilt 567 2023-2026 2023202420252026
- Peterbilt 520 2023-2026 2023202420252026
- Kenworth T380 2023-2026 2023202420252026
- Peterbilt 548 2023-2026 2023202420252026
- Kenworth T280 2023-2026 2023202420252026
- Peterbilt 537 2023-2026 2023202420252026
- Kenworth T180 2023-2025 202320242025
- Kenworth T480 2023-2026 2023202420252026
- Kenworth W990 2023-2026 2023202420252026
- Peterbilt 535 2023-2025 202320242025
- Peterbilt 536 2023-2026 2023202420252026
- Kenworth L770 2024-2026 202420252026
- Peterbilt 589 2024-2026 202420252026
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