The control module detected an interruption (open circuit) in the Charge Air Cooler Coolant Pump Control circuit, so the expected electrical continuity was not present.
TuningBot DTC Database · v4.37.15
P023A Charge Air Cooler Coolant Pump Control Circuit/Open
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P023A means
Related and nearby codes
How to read P023A
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about P023A
What does P023A mean?
Charge Air Cooler Coolant Pump Control Circuit/Open. The control module detected an interruption (open circuit) in the Charge Air Cooler Coolant Pump Control circuit, so the expected electrical continuity was not present.
Is P023A generic or manufacturer-specific?
P023A is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P023A 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
