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P0E79
Coolant Bypass Valve A Control Stuck/Open
Generic · engine
Data confidence
65%
The control module registered the fault condition described as "Coolant Bypass Valve A Control Stuck/Open".
TuningBot DTC Database · v4.37.15
P0E79 Coolant Bypass Valve A Control Stuck/Open
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P0E79 means
Related and nearby codes
How to read P0E79
P
Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
E79
Specific fault index within the subsystem.
Frequently asked questions about P0E79
What does P0E79 mean?
Coolant Bypass Valve A Control Stuck/Open. The control module registered the fault condition described as "Coolant Bypass Valve A Control Stuck/Open".
Is P0E79 generic or manufacturer-specific?
P0E79 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P0E79 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