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DTC codes / Chrysler codes / P1520

P1520 · ChryslerGear Indicator System

P1520 on Chrysler vehicles indicates that the Transmission Control Module (TCM) has detected a fault within the gear indicator system, which is responsible for communicating the selected gear range to the driver and other modules. The TCM monitors the electrical circuits of the gear selector and the instrument cluster display, and it sets this code when the feedback signal does not match the expected state for the current gear.

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