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July 19, 2021 Service bulletin

Fix-as-Fail: Radio does not mute when truck with auto trans is placed in reverse

Peterbilt technical service bulletin 52-004 for 2020 Peterbilt 579, 2020 Peterbilt 389 and 2020 Peterbilt 567 and others.

Bulletin number
52-004
Component
Electrical system: ADAS: blindspot: software
Summary
Fix-as-Fail: Radio does not mute when truck with auto trans is placed in reverse. Software flash resolves issue.

Owners of these vehicles have filed 2 complaints in the electrical category.

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