The control module detected a fault associated with the Transmission input shaft speed sensor/turbine shaft speed (TSS) sensor A/8 - correlation circuit or function; the stored code identifies the affected component rather than a single failure mode.
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
784
Specific fault index within the subsystem.
Frequently asked questions about P2784
What does P2784 mean?
Transmission input shaft speed sensor/turbine shaft speed (TSS) sensor A/8 - correlation. The control module detected a fault associated with the Transmission input shaft speed sensor/turbine shaft speed (TSS) sensor A/8 - correlation circuit or function; the stored code identifies the affected component rather than a single failure mode.
Is P2784 generic or manufacturer-specific?
P2784 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2784 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.