| Bulletin Number | Vehicle Make | Vehicle Model | Model Year | Summary |
|---|---|---|---|---|
| 34-085 | PETERBILT | 320 | 2013 | Information Only ⿿ Vehicles may have the connector seals on the wheel speed sensor incorrectly installed, which may lead to water intrusion and corr |
| TSB-130140 | PETERBILT | 320 | 2013 | CUMMINS: THE FAULT CODE 3911 AND CHECK ENGINE LAMPS ILLUMINATES DUE TO VOLTAGE TO AMMONIUM HYDROXIDE NH3 SENSOR AND IS DIPPING BELOW 9 VOLT SPECIFIC |
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