Vehicles manufactured with a cummins engine and predictive cruise control (PCC) are experiencing an...
Peterbilt technical service bulletin 416-1 for 2016-2017 Peterbilt 579.
- Bulletin number
- 416-1
- Component
- Engine
- Summary
- Vehicles manufactured with a cummins engine and predictive cruise control (pcc) are experiencing an improper message. The cecu sends an incorrect signal "pcc negative speed offset of -2.5 MPH (-4km/h), negating the fuel economy benefit of predictive cruise control.
Vehicles covered
- Peterbilt 579 2016-2017 20162017
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