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DTC codes / P09xx · Transmission / P0996
P0996 indicates that the transmission control module detected an intermittent fault in the electrical circuit for transmission fluid pressure sensor or switch 'F'. The circuit's signal momentarily drops out or becomes erratic, which prevents the module from reliably monitoring hydraulic pressure at that location.
Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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