The control module detected an interruption (open circuit) in the Ignition B Control circuit, so the expected electrical continuity was not present.
TuningBot DTC Database · v4.37.14
P030D Ignition B Control Signal Circuit/Open
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P030D means
Related and nearby codes
How to read P030D
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about P030D
What does P030D mean?
Ignition B Control Signal Circuit/Open. The control module detected an interruption (open circuit) in the Ignition B Control circuit, so the expected electrical continuity was not present.
Is P030D generic or manufacturer-specific?
P030D is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P030D at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
