DTC codes / P28xx · Transmission / P2848
P2848 means the transmission control module (TCM) has compared the signal from the shift fork D position sensor against the expected value for neutral and found a mismatch, so it cannot confirm that fork D is actually in the neutral position. The sensor is reporting a position that does not agree with the neutral window the computer expects, which sets the code and typically forces a limp or default shift strategy.
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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