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P26B2
Engine Coolant Bypass Valve B Stuck Closed
Generic · engine
Data confidence
65%
The control module determined that the Engine Coolant Bypass Valve B did not change state as commanded and appears stuck.
TuningBot DTC Database · v4.37.15
P26B2 Engine Coolant Bypass Valve B Stuck Closed
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P26B2 means
Related and nearby codes
How to read P26B2
P
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
6B2
Specific fault index within the subsystem.
Frequently asked questions about P26B2
What does P26B2 mean?
Engine Coolant Bypass Valve B Stuck Closed. The control module determined that the Engine Coolant Bypass Valve B did not change state as commanded and appears stuck.
Is P26B2 generic or manufacturer-specific?
P26B2 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P26B2 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