Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P030B Ignition A Control Signal Circuit Low

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEngineOBD2

What P030B means

P030B
Ignition A Control Signal Circuit Low Generic · engine Data confidence 65%

The control module detected that the signal in the Ignition A Control circuit stayed below the expected operating range.

Related and nearby codes

How to read P030B

P

Powertrain: engine, transmission and driveline systems.

0

Generic SAE-standard code: same meaning on every make.

30B

Specific fault index within the subsystem.

Frequently asked questions about P030B

What does P030B mean?

Ignition A Control Signal Circuit Low. The control module detected that the signal in the Ignition A Control circuit stayed below the expected operating range.

Is P030B generic or manufacturer-specific?

P030B is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P030B at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

ECU tuningDyno-tested results by model and engine See the results →

← Search the full DTC database