ItalianoIT
DeutschDE
EspañolES
PortuguêsPT
FrançaisFR
РусскийRU
P25B7
Auxiliary Ignition Switch On/Start Position Circuit
Generic · battery
Data confidence
65%
The control module detected improper operation of the Auxiliary Ignition Switch On/Start Position circuit.
TuningBot DTC Database · v4.37.15
P25B7 Auxiliary Ignition Switch On/Start Position Circuit
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P25B7 means
Related and nearby codes
How to read P25B7
P
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
5B7
Specific fault index within the subsystem.
Frequently asked questions about P25B7
What does P25B7 mean?
Auxiliary Ignition Switch On/Start Position Circuit. The control module detected improper operation of the Auxiliary Ignition Switch On/Start Position circuit.
Is P25B7 generic or manufacturer-specific?
P25B7 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P25B7 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