DTC codes / Chrysler codes / P1527
P1527 on Chrysler vehicles means the transmission control module (TCM) has detected a mismatch between the hydraulic pressure switch readings and the gear range it expects from the transmission range sensor. The TCM compares the pressure switch states for each clutch pack against the commanded gear and sets this code when the two do not agree.
Guidance is general and written for Chrysler vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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