Fix As Fail Approximately 150 chassis built with an Allison 6th Gen 4500 series 6-speed transmission were...
Peterbilt technical service bulletin 27-010 for 2023-2025 Peterbilt 389, 2023-2025 Peterbilt 567 and 2023-2025 Peterbilt 367 and others.
- Bulletin number
- 27-010 (27-010)
- Component
- Electrical system
- Summary
- Fix As Fail Approximately 150 chassis built with an Allison 6th Gen 4500 series 6-speed transmission were assembled with the incorrect transmission harness. A procedure to re-pin transmission harness has been developed. Fix-as-Fail start date is 09/18/2024.
Owners of these vehicles have filed 1 complaints in the electrical category.
Vehicles covered
- Peterbilt 389 2023-2025 202320242025
- Peterbilt 567 2023-2025 202320242025
- Peterbilt 367 2023-2025 202320242025
- Peterbilt 589 2024-2025 20242025
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