Some 579EV and 520EV BEV trucks may have loose or improperly torqued ESS gland nuts
Peterbilt technical service bulletin 46-011 for 2021-2025 Peterbilt 579 and 2021-2025 Peterbilt 520.
- Bulletin number
- 46-011 (46-011)
- Component
- Electrical system
- Summary
- Some 579EV and 520EV BEV trucks may have loose or improperly torqued ESS gland nuts. This may cause an intermittent warning light on the dash display.
Owners of these vehicles have filed 3 complaints in the electrical category.
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