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P26A4
Engine Coolant Bypass Valve A Position Sensor Circuit
Generic · engine
Data confidence
65%
The control module detected improper operation of the Engine Coolant Bypass Valve A Position circuit.
TuningBot DTC Database · v4.37.15
P26A4 Engine Coolant Bypass Valve A Position Sensor Circuit
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P26A4 means
Related and nearby codes
How to read P26A4
P
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
6A4
Specific fault index within the subsystem.
Frequently asked questions about P26A4
What does P26A4 mean?
Engine Coolant Bypass Valve A Position Sensor Circuit. The control module detected improper operation of the Engine Coolant Bypass Valve A Position circuit.
Is P26A4 generic or manufacturer-specific?
P26A4 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P26A4 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