The control module detected improper operation of the Camshaft position (CMP) actuator/position sensor, circuit B, bank 2. This is the manufacturer-specific definition used by Lexus.
Possible causes
CMP actuator/position sensor
TuningBot DTC Database · v4.37.15
Manufacturer-specific interpretation for Lexus. All interpretations of P1023
The control module detected improper operation of the Camshaft position (CMP) actuator/position sensor, circuit B, bank 2. This is the manufacturer-specific definition used by Lexus.
CMP actuator/position sensor
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Camshaft position (CMP) actuator/position sensor, circuit B, bank 2 - malfunction. The control module detected improper operation of the Camshaft position (CMP) actuator/position sensor, circuit B, bank 2. This is the manufacturer-specific definition used by Lexus.
P1023 is a manufacturer-specific code. In this database it is documented for: Lexus. The same number can mean something different on other brands.
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Understand the system behind this code: Diagnostic Strategy and DTC Logic