DTC codes / P28xx · Transmission / P2826
P2826 indicates that the transmission control module (TCM) has detected an abnormally low voltage or current on the control circuit for pressure control solenoid J, which is one of several solenoids used to regulate hydraulic pressure inside the automatic transmission. The TCM monitors the circuit and sets this code when the signal falls below the expected range, typically due to a short to ground, an open circuit, or a faulty solenoid.
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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