The control module registered the fault condition described as "Engine Coolant Bypass Valve B Stuck/Open".
TuningBot DTC Database · v4.37.14
P26AF Engine Coolant Bypass Valve B Stuck/Open
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P26AF means
Related and nearby codes
How to read P26AF
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 P26AF
What does P26AF mean?
Engine Coolant Bypass Valve B Stuck/Open. The control module registered the fault condition described as "Engine Coolant Bypass Valve B Stuck/Open".
Is P26AF generic or manufacturer-specific?
P26AF is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P26AF 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
