The control module detected a condition consistent with a leak affecting the Leakage Diagnostic Pump Reed Switch Did Not Open. This is the manufacturer-specific definition used by MINI.
TuningBot DTC Database · v4.37.14
P1477 MINI - Leakage Diagnostic Pump Reed Switch Did Not Open
Manufacturer-specific interpretation for MINI. All interpretations of P1477
What P1477 means
Related and nearby codes
How to read P1477
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 P1477
What does P1477 mean?
Leakage Diagnostic Pump Reed Switch Did Not Open. The control module detected a condition consistent with a leak affecting the Leakage Diagnostic Pump Reed Switch Did Not Open. This is the manufacturer-specific definition used by MINI.
Is P1477 generic or manufacturer-specific?
P1477 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 P1477 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. 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
