TuningBot DTC Database · v4.37.14
Generic (OBD-II) interpretation in the TuningBot DTC database.
The control module stopped receiving expected network messages from the fuel pump (FP) control module node on the vehicle communication bus.
Network: communication between control units.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Lost Communication With fuel pump (FP) control module. The control module stopped receiving expected network messages from the fuel pump (FP) control module node on the vehicle communication bus.
U0109 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Not guaranteed. Powertrain (P) codes can be reliably disabled in the ECU calibration, but body, chassis and network codes depend on the specific control unit and how the fault is implemented - some can be handled, some cannot. Ask for a quote and our engineers will check your file and tell you, free of charge, whether U0109 is removable in your case.
Understand the system behind this code: Diagnostic Strategy and DTC Logic
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