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DTC codes / Chrysler codes / P1527

P1527 · ChryslerTransmission Range Pressure Switch Comparison

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.

SystemPowertrain
Code typeChrysler specific
SeverityMedium
Fix difficultyProfessional
AreaVehicle speed, idle control and auxiliary inputs

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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