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DTC codes / Chrysler codes / P1559

P1559 · ChryslerCruise Control Power Management Mode

P1559 on Chrysler vehicles indicates that the powertrain control module (PCM) has detected an abnormal condition within the cruise control power management circuit, meaning the system cannot properly supply or regulate voltage to the cruise control servo or module. The PCM monitors the power feed and ground paths for the cruise control system and sets this code when the expected voltage or current is outside the programmed range.

SystemPowertrain
Code typeChrysler specific
SeverityLow
Fix difficultyIntermediate
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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