Fix-As-Fail – The Master Switch Module (MSM) may lose dash switch memory and functionality when the...
Kenworth technical service bulletin 37-001 for 2017-2020 Kenworth T680, 2017-2018 Peterbilt 579 and 2017-2020 Kenworth T880 and others.
- Bulletin number
- 37-001
- Component
- Engine and engine cooling
- Summary
- Fix-As-Fail – The Master Switch Module (MSM) may lose dash switch memory and functionality when the battery disconnect switch is cycled. An improved MSM is available to resolve the issue.
Owners of these vehicles have filed 4 complaints in the engine category.
Vehicles covered
- Kenworth T680 2017-2020 2017201820192020
- Peterbilt 579 2017-2018 20172018
- Kenworth T880 2017-2020 2017201820192020
- Peterbilt 567 2017-2018 20172018
- Kenworth W990 2019-2020 20192020
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