Troubleshooting the DPF Warning Lights

The warning lights on the dashboard alert the operator of malfunctions or service requirements. Depending on the light, you will have to act accordingly. Follow the steps below to determine what you need to do next.

1. Select the type of DPF device installed on your vehicle:

2. Select the type of warning light on your system




For additional troubleshooting & diagnostics assistance submit a service ticket to FleetCrew or contact us at 1-866-668-4738.