Post catalytic convertor fuel trim (FT), bank 2 - too lean
BMW · emissions
Data confidence62%
The control module detected that the air-fuel mixture stayed leaner than the target despite full corrective control (Post catalytic convertor fuel trim (FT), bank 2). This is the manufacturer-specific definition used by BMW.
MAP Sens Out Of Limits
Dodge · engine
Data confidence62%
The control module detected a fault associated with the MAP Sens Out Of Limits circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Dodge.
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
059
Specific fault index within the subsystem.
Frequently asked questions about P1059
What does P1059 mean?
Diagnostic Trouble Code (2 interpretations). The control module detected that the air-fuel mixture stayed leaner than the target despite full corrective control (Post catalytic convertor fuel trim (FT), bank 2). This is the manufacturer-specific definition used by BMW.
Is P1059 generic or manufacturer-specific?
P1059 is a manufacturer-specific code. In this database it is documented for: BMW, Dodge. The same number can mean something different on other brands.
Can TuningBot remove P1059 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.