The control module detected an interruption (open circuit) in the Shift Fork B Actuator circuit, so the expected electrical continuity was not present.
TuningBot DTC Database · v4.37.15
P285F Shift Fork B Actuator Circuit/Open
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P285F means
Related and nearby codes
How to read P285F
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 P285F
What does P285F mean?
Shift Fork B Actuator Circuit/Open. The control module detected an interruption (open circuit) in the Shift Fork B Actuator circuit, so the expected electrical continuity was not present.
Is P285F generic or manufacturer-specific?
P285F is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P285F 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
