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No wheel speed sensor output signal. • Malfunction of wheel speed sensor • Improper installation of wheel speed sensor • Malfunction of rotor (excitor) • Malfunction of wiring harness or connector • Malfunction of HECU DTC No. C1101, C1102 Voltage out of range Probable cause The voltage of the HECU power supply drops lower than or • Malfunction of wiring harness or connector • Malfunction of HECU. If battery voltage drops or rises during inspection, this code will be output as well. If the voltage returns to the standard DTC No. C1604 HECU Hardware Probable cause The HECU always monitors the solenoid valve drive circuit. It • Malfunction of wiring harness • Malfunction of HECU |