| Bulletin Date: | Feb. 4, 2014 |
| Component: | Electrical system |
| Bulletin Summary: | This technical service bulletin describes the verification and resolution of fault codes 1921, 1922, 1981, 3375 and 3376 being set on certain engines installed in paccar chassis due to incorrect ground wiring in the diesel exhaust fluid (DE |
| Vehicles covered in this TSB: |
Cummins ISX12,
Cummins ISX15,
Paccar PX7,
Paccar PX9.
|