The control module determined that the Engine Coolant Flow Control Valve did not change state as commanded and appears stuck.
TuningBot DTC Database · v4.37.15
P2B61 Engine Coolant Flow Control Valve Stuck Closed
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P2B61 means
Related and nearby codes
How to read P2B61
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 P2B61
What does P2B61 mean?
Engine Coolant Flow Control Valve Stuck Closed. The control module determined that the Engine Coolant Flow Control Valve did not change state as commanded and appears stuck.
Is P2B61 generic or manufacturer-specific?
P2B61 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2B61 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
