Electric Stability Control – Malfunction Indicator Lamp May Not Illuminate – the federal safety agency ID:...
Peterbilt technical service bulletin 21PBl for 2022 Peterbilt 579 and 2022 Peterbilt 567.
- Bulletin number
- 21PBl
- Component
- Electronic stability control: automatic (ASC)
- Summary
- Electric Stability Control – Malfunction Indicator Lamp May Not Illuminate – the federal safety agency ID: 21V‑719. An incorrectly programmed software parameter results in a failed signal from the electronic stability control (ESC) system to the dash lamp that indicates a malfunction. Updating the software parameter via Davie4 resolves the issue.
Vehicles covered
- Peterbilt 579 2022 2022
- Peterbilt 567 2022 2022
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