The control module detected a condition consistent with a leak affecting the Diagnostic Module Tank. This is the manufacturer-specific definition used by MINI.
TuningBot DTC Database · v4.37.15
P1434 MINI - Diagnostic Module Tank Leakage System Fault
Manufacturer-specific interpretation for MINI. All interpretations of P1434
What P1434 means
Related and nearby codes
How to read P1434
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 P1434
What does P1434 mean?
Diagnostic Module Tank Leakage System Fault. The control module detected a condition consistent with a leak affecting the Diagnostic Module Tank. This is the manufacturer-specific definition used by MINI.
Is P1434 generic or manufacturer-specific?
P1434 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 P1434 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
