The control module judged the Clutch "A" Pressure Disengagement behaviour implausible for the current operating conditions.
TuningBot DTC Database · v4.37.15
P2859 Clutch "A" Pressure Disengagement Performance
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P2859 means
Related and nearby codes
How to read P2859
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 P2859
What does P2859 mean?
Clutch "A" Pressure Disengagement Performance. The control module judged the Clutch "A" Pressure Disengagement behaviour implausible for the current operating conditions.
Is P2859 generic or manufacturer-specific?
P2859 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2859 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
