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P26D8
Engine Coolant Pump Clutch Stuck On
Generic · thermal_management
Data confidence
65%
The control module determined that the Engine Coolant Pump Clutch did not change state as commanded and appears stuck.
TuningBot DTC Database · v4.37.15
P26D8 Engine Coolant Pump Clutch Stuck On
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P26D8 means
Related and nearby codes
How to read P26D8
P
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
6D8
Specific fault index within the subsystem.
Frequently asked questions about P26D8
What does P26D8 mean?
Engine Coolant Pump Clutch Stuck On. The control module determined that the Engine Coolant Pump Clutch did not change state as commanded and appears stuck.
Is P26D8 generic or manufacturer-specific?
P26D8 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P26D8 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