Hyundai Tiburon (2003 year). Manual - part 88
DTC No. C2112 Valve relay
(Including fuse failure)
Probable cause
When the ignition switch is turned ON, the HECU switches the valve relay
on and off during its initial check. During this time, voltage sent to the
valve relay is compared to the voltage in the valve power monitor line. If
no current is detected in the valve power monitor line, the HECU
determines that there is an open circuit and DTC C2112 is recorded.
• Faulty wiring harness or connector
• Faulty HECU
DTC No. C1605 CAN hardware error
Probable cause
Replace the HECU.
• Interference by means of electronic wave
• Mismatching of the calculation between main
and sub processor
• Defects of the valve coil and valve coil
operating circuit element
DTC No. C1611 CAN timeout EMS, C1612 CAN timeout TCU, C1613
CAN wrong matched transmission
Probable cause
Inspect the EMS or TCU according to the instructions of Engine or T/M
group.
• No message from EMS or TCU for 500ms
• Message from A/T or M/T signal mismatch
the message from ECM or TCU
DTC No. C1610 bus off error
Probable cause
Check CAN bus wiring.
Check E37, C33, C133-4 or M42 connectors
• CAN bus cable open, or short to ground or
battery
DTC No. C2402 motor pump failure
(Motor relay, motor)
Probable cause
When the motor power line is normal but no signal is in detected in the
motor monitor line.
• Faulty wiring harness
• Faulty HECU
Powering the motor with the Hi-Scan (Pro) will discharge the battery. Start and run the engine for a while after testingis
complete.