MS40/41/42/46/M5. 2: Inlet camshaft control system, end position - plausibility
BMW · engine
Data confidence62%
The control module detected that related sensor signals for MS40/41/42/46/M5. 2: Inlet camshaft control system, end position did not agree with each other (correlation/plausibility fault). This is the manufacturer-specific definition used by BMW.
IC Module CAM Pulse To 4X Reference Pulse Comparison
Chrysler · engine
Data confidence62%
The control module detected a fault associated with the IC Module CAM Pulse To 4X Reference Pulse Comparison circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.
Recommended checks
Perform a full module scan
Review freeze-frame and occurrence data
Confirm the exact vehicle, ECU and software context
Ignition coil/amplifier, cylinder 8 - short to positive
VAG · ignition
Data confidence62%
The control module detected a short circuit to battery voltage in the Ignition coil/amplifier, cylinder 8 circuit. This is the manufacturer-specific definition used by Audi.
Possible causes
Wiring short to positive
ignition coil/ amplifier
Applies toAudi
P1377
Cylinder 8 Ignition Circuit Short To B+
VAG · engine
Data confidence80%
The control module detected a short circuit to battery voltage in the Cylinder 8 Ignition circuit. This is the manufacturer-specific definition used by Volkswagen.
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
377
Specific fault index within the subsystem.
Frequently asked questions about P1377
What does P1377 mean?
Diagnostic Trouble Code (4 interpretations). The control module detected that related sensor signals for MS40/41/42/46/M5. 2: Inlet camshaft control system, end position did not agree with each other (correlation/plausibility fault). This is the manufacturer-specific definition used by BMW.
Is P1377 generic or manufacturer-specific?
P1377 is a manufacturer-specific code. In this database it is documented for: BMW, Chrysler, VAG. The same number can mean something different on other brands.
Can TuningBot remove P1377 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.
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