| #35 | SPN 97 FMI 3 — Water In Fuel Indicator 1 — Voltage Above Normal | 5102023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #34 | SPN 3610 FMI 4 — Aftertreatment 1 Diesel Particulate Filter Outlet Pressure — Voltage Below Normal | 5102023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #33 | SPN 241 FMI 2 — Tire Pressure — Erratic, Intermittent, or Incorrect | 5102023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #32 | SPN 241 FMI 18 — Tire Pressure — Low—moderate severity | 5102023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #31 | SPN 929 FMI 12 — Tire Location — Failure | 5102023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #30 | SPN 241 FMI 1 — Tire Pressure — Low—most severe | 5102023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #29 | SPN 242 FMI 2 — Tire Temperature — Erratic, Intermittent, or Incorrect | 5102023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #28 | SPN 520425 FMI 5 — Manufacturer Assignable SPN — Current Below Normal | 5102023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #27 | SPN 520517 FMI 5 — Manufacturer Assignable SPN — Current Below Normal | 5102023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #26 | SPN 520518 FMI 5 — Manufacturer Assignable SPN — Current Below Normal | 5102023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #25 | SPN 520433 FMI 5 — Manufacturer Assignable SPN — Current Below Normal | 5102023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #24 | SPN 520561 FMI 5 — Manufacturer Assignable SPN — Current Below Normal | 5102023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #23 | SPN 520422 FMI 5 — Manufacturer Assignable SPN — Current Below Normal | 5102023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #22 | SPN 520423 FMI 5 — Manufacturer Assignable SPN — Current Below Normal | 5102023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #21 | SPN 520429 FMI 5 — Manufacturer Assignable SPN — Current Below Normal | 5102023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #20 | SPN 520428 FMI 5 — Manufacturer Assignable SPN — Current Below Normal | 5102023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #19 | SPN 973 FMI 19 — Engine Retarder Selection — Data Error | 5052023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #18 | SPN 929 FMI 12 — Tire Location — Failure | 5052023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #17 | SPN 241 FMI 1 — Tire Pressure — Low—most severe | 5052023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #16 | SPN 241 FMI 18 — Tire Pressure — Low—moderate severity | 5052023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #15 | SPN 520433 FMI 5 — Manufacturer Assignable SPN — Current Below Normal | 5052023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #14 | SPN 3610 FMI 2 — Aftertreatment 1 Diesel Particulate Filter Outlet Pressure — Erratic, Intermittent, or Incorrect | 5052023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #13 | SPN 3251 FMI 2 — Aftertreatment 1 Diesel Particulate Filter Differential Pressure — Erratic, Intermittent, or Incorrect | 5052023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #12 | SPN 241 FMI 18 — Tire Pressure — Low—moderate severity | 5152023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #11 | SPN 929 FMI 12 — Tire Location — Failure | 5152023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #10 | SPN 241 FMI 1 — Tire Pressure — Low—most severe | 5152023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #9 | SPN 97 FMI 3 — Water In Fuel Indicator 1 — Voltage Above Normal | 5152023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #8 | SPN 520424 FMI 5 — Manufacturer Assignable SPN — Current Below Normal | 5152023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #7 | SPN 520425 FMI 5 — Manufacturer Assignable SPN — Current Below Normal | 5152023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |
| #6 | SPN 525 FMI 12 — Transmission Requested Gear — Failure | 5152023 PETERBILT 579 | Open | High | Fault Code | Aug 4, 2026 | — |