The control module detected that the signal in the Charge Air Cooler Coolant Pump Control circuit stayed below the expected operating range.
TuningBot DTC Database · v4.37.14
P023B Charge Air Cooler Coolant Pump Control Circuit Low
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P023B means
Related and nearby codes
How to read P023B
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 P023B
What does P023B mean?
Charge Air Cooler Coolant Pump Control Circuit Low. The control module detected that the signal in the Charge Air Cooler Coolant Pump Control circuit stayed below the expected operating range.
Is P023B generic or manufacturer-specific?
P023B is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P023B at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. 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
