| Bulletin Date: | Feb. 20, 2019 |
| Component: | Gasoline fuel system |
| Bulletin Summary: | Certain c7 and c9 truck engines are having fuel injectors fail with the check engine light for -7 injector codes at very early hours. The fuel injector -7 not responding properly codes are incorrectly triggered by the software, based on fue |
| Vehicles covered in this TSB: |
Caterpillar C7,
Caterpillar C9.
|
| Bulletin Date: | Jan. 16, 2019 |
| Component: | Electrical system |
| Bulletin Summary: | A new fuel injector solenoid for parts service is now used which has silver coating for the contacts to match the harness pin coating to help prevent electrical faults. |
| Vehicles covered in this TSB: |
Caterpillar C7,
Caterpillar C9.
|
| Bulletin Date: | Oct. 22, 2018 |
| Component: | Electrical system wiring |
| Bulletin Summary: | The wiring harness can have an open circuit, which may result in low power, misfire, etc. Previously submitted as cpi383726; resubmitted because there are additional serial numbers. |
| Vehicles covered in this TSB: |
Caterpillar C9.
|