The control module detected that the signal in the Engine Coolant Bypass Valve B Position circuit stayed above the expected operating range.
TuningBot DTC Database · v4.37.14
P2AAA Engine Coolant Bypass Valve B Position Sensor Circuit High
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P2AAA means
Related and nearby codes
How to read P2AAA
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 P2AAA
What does P2AAA mean?
Engine Coolant Bypass Valve B Position Sensor Circuit High. The control module detected that the signal in the Engine Coolant Bypass Valve B Position circuit stayed above the expected operating range.
Is P2AAA generic or manufacturer-specific?
P2AAA is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2AAA 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
