ItalianoIT
DeutschDE
EspañolES
PortuguêsPT
FrançaisFR
РусскийRU
P03FC
Ignition K Control Signal Circuit High
Generic · engine
Data confidence
65%
The control module detected that the signal in the Ignition K Control circuit stayed above the expected operating range.
TuningBot DTC Database · v4.37.15
P03FC Ignition K Control Signal Circuit High
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P03FC means
Related and nearby codes
How to read P03FC
P
Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
3FC
Specific fault index within the subsystem.
Frequently asked questions about P03FC
What does P03FC mean?
Ignition K Control Signal Circuit High. The control module detected that the signal in the Ignition K Control circuit stayed above the expected operating range.
Is P03FC generic or manufacturer-specific?
P03FC is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P03FC 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
Understand the system behind this code: Diagnostic Strategy and DTC Logic