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C1604 ECU(Brake System) Hardware error
AutoHex Online Help: Hyundai MATRIX(FC) 2002
INSPECTION PROCEDURE FOR DIAGNOSTIC TROUBLE CODES
DTC No. C1604 ECU Hardware (EEPROM and ECU failure) | Probable cause |
The HECU always monitors the solenoid valve drive circuit. It determinesthat there is an open or short-circuit in the solenoid coil or in a harnesseven if no current flows in the solenoid or through the HECU. | Malfunction of wiring harness Malfunction of hydraulic unit Malfunction of HECU
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