The control module detected that the Idle Speed Control Valve Closing Solenoid Control signal stayed below the expected range. This is the manufacturer-specific definition used by MINI.
TuningBot DTC Database · v4.38.5
P1503 MINI - Idle Speed Control Valve Closing Solenoid Control Circuit Signal Low
Manufacturer-specific interpretation for MINI. All interpretations of P1503
What P1503 means
Related and nearby codes
How to read P1503
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Frequently asked questions about P1503
What does P1503 mean?
Idle Speed Control Valve Closing Solenoid Control Circuit Signal Low. The control module detected that the Idle Speed Control Valve Closing Solenoid Control signal stayed below the expected range. This is the manufacturer-specific definition used by MINI.
Is P1503 generic or manufacturer-specific?
P1503 is a manufacturer-specific code. In this database it is documented for: MINI. The same number can mean something different on other brands.
Can TuningBot remove P1503 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
