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P2840
Shift Fork "D" Position Circuit
Generic · engine
Data confidence
78%
The control module detected improper operation of the Shift Fork "D" Position circuit.
TuningBot DTC Database · v4.37.15
P2840 Shift Fork "D" Position Circuit
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P2840 means
Related and nearby codes
How to read P2840
P
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
840
Specific fault index within the subsystem.
Frequently asked questions about P2840
What does P2840 mean?
Shift Fork "D" Position Circuit. The control module detected improper operation of the Shift Fork "D" Position circuit.
Is P2840 generic or manufacturer-specific?
P2840 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2840 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