Electrical system
Peterbilt technical service bulletin 34-087 for 2019-2021 Peterbilt 520.
- Bulletin number
- 34-087
- Component
- Electrical system
- Summary
- Non-Safety Campaign: Peterbilt has determined that certain RHSU model 520 trucks, built from 7/16/2018 to 3/20/2020, may have been equipped with a Main Cab Harness that enables the Door Alarm to sound when it should be disabled. Model 520 vehicles with this configuration should have the door alarm disabled when the passenger door is open and the vehicle is in drive mode.
Vehicles covered
- Peterbilt 520 2019-2021 201920202021
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