DTC codes / P28xx · Transmission / P2808
P2808 indicates that the transmission control module has detected a performance fault with pressure control solenoid G, often described as stuck off, meaning the solenoid is not responding to commands or is failing to regulate hydraulic pressure as expected. The computer monitors the solenoid's electrical circuit and the resulting hydraulic pressure, and it sets this code when the actual pressure does not match the commanded pressure within a calibrated threshold.
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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