Operation CHARM: Car repair manuals for everyone.

General Information





Electronic Hydraulic Power Steering System
C1604 ECU Hardware Error - General Information

Component Location





General Description

The MPU(Motor Pump Unit) checks the inner circuit of MPU ECU itself in order to prevent it from malfunction.
This test includes the hard-ware check for RAM, ROM, EEPROM, ALU and PLL in the MPU.

DTC Description

The MPU sets this code if there is a hard-ware error in MPU.

DTC Detecting Condition