4WD Control System DTCS

2017 Hyundai Santa Fe SE, FWDSECTION 4WD Control System DTCS
4WD CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE IDENTIFICATION

DTC Description
DTC P0602 Control Module Programming Error
DTC P1779 Supply Voltage Missing
DTC P1780 Battery Voltage High
DTC P1781 Battery Voltage Low
DTC P1820 Pump for 4WD Motor High Overcurrent Detected
DTC P1821 Pump for 4WD Motor Wire Short to Battery
DTC P1822 Pump for 4WD Motor Wire Open Load
DTC P1823 Pump for 4WD Motor Wire Short to GND
DTC P1824 Pump for 4WD Slow Thermal Overload
DTC P1825 Pressure Sensor for 4WD Supply Short to Battery
DTC P1826 Pressure Sensor for 4WD Supply Short to Ground
DTC P1827 Pressure Sensor for 4WD Signal Wire Short to Battery
DTC P1828 Pressure Sensor for 4WD Signal Wire Short to Ground
DTC P1829 Clutch Torque Tolerance Upper Limit
DTC P1830 Clutch Torque Tolerance Lower Limit
DTC P1831 Clutch Thermal Overstress Warning
DTC P1832 Clutch Thermal Overstress Shutdown
DTC P1833 Actuator Thermal Overstress Warning
DTC P1834 Actuator Thermal Overstress Shutdown
DTC P1835 Pressure Sensor for 4WD Supply Offset Failure
DTC P1836 Bleed Pressure Line Test Error
DTC P1837 Vehicle Variant Can Not Be Detected
DTC U0001 High Speed CAN Communication Bus off
DTC U0100 Lost Communication With ECM/PCM 'A'
DTC U0101 Lost Communication with TCM (C-CAN)
DTC U0121 Lost Communication With Anti-Lock Brake System (ABS) Control Module
DTC U0122 Lost Communication With Vehicle Dynamics Control Module
DTC U0126 Lost Communication With Steering Angle Sensor Module
DTC U1121 Lost Communication With Electric Stability Program Module
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.