General Information

C1603 Derating (EPS Thermal Protection)

General Information

Component Location





General Description

EPS uses an electric motor to provide directional control to the driver. An electric mortor consumes much current during operating. It can be overheat under excessive use, at that time EPS CM restricts motor current for protecting EPS from unexpected problem.

DTC Description

EPS CM sets this code If temperature of EPS CM is higher than 85 °C (185 °F) due to excessive use.
EPS CM restricts assist steering function to decrease motor current.
EPS CM inhibits assist steering if temperature of EPS CM is higher than 120 °C (248 °F).

DTC Detecting Condition