Cbr
Mack technical service bulletin CBR 2443 072025 for 2025 Mack Pioneer PR (4).
- Bulletin number
- CBR 2443 072025
- Component
- Electrical system
- Summary
- CBR - The truck’s trailer detection system uses a brief pulse of compressed air through the red trailer supply line to detect a connected trailer, but this pulse can inadvertently re-lock air-actuated tandem slide systems; this procedure outlines a method to mitigate the issue while sliding the trailer tandems.
Vehicles covered
- Mack Pioneer PR (4) 2025 2025
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