The control module detected an interruption (open circuit) in the Camshaft Position Actuator 'A' Control circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by BMW.
TuningBot DTC Database · v4.37.15
P1423 BMW - Camshaft Position Actuator 'A' Control Open Circuit Bank 1
Manufacturer-specific interpretation for BMW. All interpretations of P1423
What P1423 means
Related and nearby codes
How to read P1423
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 P1423
What does P1423 mean?
Camshaft Position Actuator 'A' Control Open Circuit Bank 1. The control module detected an interruption (open circuit) in the Camshaft Position Actuator 'A' Control circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by BMW.
Is P1423 generic or manufacturer-specific?
P1423 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 P1423 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
