The control module detected that the signal in the Charge Air Cooler Bypass Control "A" circuit stayed below the expected operating range.
TuningBot DTC Database · v4.37.15
P022B Charge Air Cooler Bypass Control "A" Circuit Low
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P022B means
Related and nearby codes
How to read P022B
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 P022B
What does P022B mean?
Charge Air Cooler Bypass Control "A" Circuit Low. The control module detected that the signal in the Charge Air Cooler Bypass Control "A" circuit stayed below the expected operating range.
Is P022B generic or manufacturer-specific?
P022B is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P022B 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
