FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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General Information





Power Steering
C1603 Derating (EPS Thermal Protection) - General Information

Component Location





General Description

EPS(MDPS=Motor Driving Power Steering) uses an electric motor to provide directional contol to the driver. An electric mortor consumes much current during operating. It can be overheat under excessive use, at that time EPS CM (Control Module) restricts motor current for protecting EPS from unexpected problem.

DTC Description

This code appears when EPS(MDPS=Motor Driving Power Steering) Control Module Temperature is raised over 85°C due to the hurried steering results.
In this case, EPS steering assistant will be limited and reduces the electric current in the motor.
If the temperature is raised over 120°C, then steering assistant will be stopped.

DTC Detecting Condition