| 20% |
This duty cycle indicates the fuel pump control module is receiving an invalid duty cycle from the PCM. |
| 40% |
For vehicles with event notification signal, this duty cycle indicates the fuel pump control module is receiving an invalid event notification signal from the RCM. For vehicles without event notification signal, this duty cycle indicates the fuel pump control module is functioning normally. |
| 60% |
For vehicles with event notification signal, this duty cycle indicates the fuel pump control module is functioning normally. |
| 80% |
This duty cycle indicates the fuel pump control module is detecting a concern with the secondary circuits. |