The control module detected that the Secondary Upstream Manifold Air Pressure value was above the expected limit. This is the manufacturer-specific definition used by MINI.
TuningBot DTC Database · v4.37.15
P1242 MINI - Secondary Upstream Manifold Air Pressure Sensor Too High in Deceleration
Manufacturer-specific interpretation for MINI. All interpretations of P1242
What P1242 means
Related and nearby codes
How to read P1242
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 P1242
What does P1242 mean?
Secondary Upstream Manifold Air Pressure Sensor Too High in Deceleration. The control module detected that the Secondary Upstream Manifold Air Pressure value was above the expected limit. This is the manufacturer-specific definition used by MINI.
Is P1242 generic or manufacturer-specific?
P1242 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 P1242 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
