P0023Exhaust Camshaft Position Actuator Circuit / Open (Bank 2)
Generic (OBD-II) interpretation in the TuningBot DTC database.
P · PowertrainEngineOBD2
What P0023 means
P0023
Exhaust Camshaft Position Actuator Circuit / Open (Bank 2)
Generic · engine
Data confidence90%
The control module detected an interruption (open circuit) in the Exhaust Camshaft Position Actuator circuit, so the expected electrical continuity was not present.
Symptoms
MIL illuminated
Possible rough idle or reduced power
Possible causes
Wiring
CMP actuator
ECM
Recommended checks
Check oil level and condition first
Read specified vs actual cam timing with live data
Actuate the VVT solenoid and verify response
Check timing marks/chain condition if deviation persists
Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
023
Specific fault index within the subsystem.
Frequently asked questions about P0023
What does P0023 mean?
Exhaust Camshaft Position Actuator Circuit / Open (Bank 2). The control module detected an interruption (open circuit) in the Exhaust Camshaft Position Actuator circuit, so the expected electrical continuity was not present.
Is P0023 generic or manufacturer-specific?
P0023 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P0023 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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