Ignition system diagnostic monitor, cylinder 3 - duration too short
BMW · engine
Data confidence62%
The control module detected a fault associated with the Ignition system diagnostic monitor, cylinder 3 - duration too short circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by BMW.
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
12B
Specific fault index within the subsystem.
Frequently asked questions about P112B
What does P112B mean?
Ignition system diagnostic monitor, cylinder 3 - duration too short. The control module detected a fault associated with the Ignition system diagnostic monitor, cylinder 3 - duration too short circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by BMW.
Is P112B generic or manufacturer-specific?
P112B is a manufacturer-specific code. In this database it is documented for: BMW. The same number can mean something different on other brands.
Can TuningBot remove P112B 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.
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