Contents: Diagnostic Trouble Codes ↧ DTC C0393(0B) ↧ Description of the scheme ↧ Error code descriptions ↧ Conditions for setting DTC ↧ Actions taken when setting DTC ↧ Conditions for clearing DTC ↧ DTC C0393(0B) - Rear Axle Clutch… ↧ DTC C0393(06) ↧ Description of the scheme ↧ Error code descriptions ↧ Conditions for setting DTC ↧ Actions taken when setting DTC ↧ Conditions for clearing DTC ↧ DTC C0393(0B) - Rear Axle Clutch… ↧ DTC C0394(06) ↧ Description of the scheme ↧ Error code descriptions ↧ Conditions for setting DTC ↧ Actions taken when setting DTC ↧ Conditions for clearing DTC ↧ DTC C0394(06) - Rear Axle Clutch… ↧ DTC C0550(35) ↧ Description of the scheme ↧ Error code descriptions ↧ Conditions for setting DTC ↧ Actions taken when setting DTC ↧ Conditions for clearing DTC ↧ DTC C0550(35) - Electronic Control… ↧ DTC C0550(39) ↧ Description of the scheme ↧ Error code descriptions ↧ Conditions for setting DTC ↧ Actions taken when setting DTC ↧ Conditions for clearing DTC ↧ DTC C0550(39) - Electronic Control… ↧ DTC C0558(4B) ↧ Description of the scheme ↧ Error code descriptions ↧ Conditions for setting DTC ↧ Actions taken when setting DTC ↧ Conditions for clearing DTC ↧ DTC C0550(39) - Electronic Control… ↧ DTC C0561(71) ↧ Description of the scheme ↧ Error code descriptions ↧ Conditions for setting DTC ↧ Actions taken when setting DTC ↧ Conditions for clearing DTC ↧ DTC C0561(71) - System Permanent… ↧ DTC C0899(03) ↧ Description of the scheme ↧ Error code descriptions ↧ Conditions for setting DTC ↧ Actions taken when setting DTC ↧ Conditions for clearing DTC ↧ DTC C0899(03) - Device {single or 1}… ↧ DTC U0100(00) ↧ Description of the scheme ↧ Error code descriptions ↧ Conditions for setting DTC ↧ Actions taken when setting DTC ↧ Conditions for clearing DTC ↧ DTC U0100(00) - Lost Communication… ↧ DTC U0121(00) ↧ Description of the scheme ↧ Error code descriptions ↧ Conditions for setting DTC ↧ Actions taken when setting DTC ↧ Conditions for clearing DTC ↧ DTC U0121(00) - Communication Lost… ↧ DTC U0140(00) ↧ Description of the scheme ↧ Error code descriptions ↧ Conditions for setting DTC ↧ Actions taken when setting DTC ↧ Conditions for clearing DTC ↧ DTC U0140(00) - Communication Lost… ↧
Diagnostic Trouble Codes
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Diagnostic Trouble Code (DTC)
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Description
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C0393(0B)
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Rear Axle Clutch Solenoid Valve Control Circuit (overcurrent)
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C0393(06)
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Rear Axle Clutch Solenoid Valve Control Circuit (wiring)
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C0394(06)
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Rear Axle Clutch Solenoid Valve Temperature Sensor Circuit
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C0550(35)
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Functioning of the electronic control unit (ECU), ROM
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C0550(39)
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Electronic Control Unit (ECU) Function, Wiring
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C0558(4B)
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Calibration data not programmed/learned
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C0561(71)
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Permanent system shutdown, information saved
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C0899(03)
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Device {single or 1} Low Voltage
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U0100(00)
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Communication failure with the electronic engine management system controller
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U0121(00)
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Communication failure with the anti-lock braking system (ABS) controller
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U0140(00)
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Communication failure with body controller
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DTC C0393(0B)
Description of the scheme
If, when monitoring the shunt current on the coupling coil in the clutch assembly, it is detected that the current conductivity exceeds a specified value, the system is permanently disabled.
Error code descriptions
This diagnostic procedure addresses the following fault codes:
- DTC C0393(0B) Rear Axle Clutch Solenoid Valve Control Circuit (overcurrent)
Conditions for setting DTC
For DTC C0393(0B) to set, all of the following conditions must be met:
- The supply voltage is greater than 8 volts, the current in the winding is greater than 6 volts, and these conditions persist for more than 40 ms.
- The supply voltage is less than 8 volts, the current in the winding is more than 6 volts.
Actions taken when setting DTC
- DTC code C0393(0B) is written to memory.
- AWD system constantly disconnects, AWD indicator light is on.
Conditions for clearing DTC
- If the conditions that caused DTC C0393(0B) to be stored no longer exist, the diagnostic code can be cleared using the appropriate diagnostic tool.
- A diagnostic trouble code that has not been stored in memory for 100 driving cycles is cleared from the history data.
DTC C0393(0B) - Rear Axle Clutch Solenoid Control Circuit (overcurrent)
| Step | Operation | Values | Yes | No |
| 1 |
Check the wiring harness, connector and terminals between the clutch controller and the clutch assembly.
Are there any physical damages found?
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-
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Go to Step 2
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Go to Step 3
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| 2 |
Repair the damage and check the system with a diagnostic tool.
Are any diagnostic codes found?
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-
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Go to Step 3
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The system is fine
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| 3 |
Replace the clutch assembly. Calibrate the system and check the system with a diagnostic tool.
Are any diagnostic codes found?
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-
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Go to Step 1
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The system is normal
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DTC C0393(06)
Description of the scheme
When an error is detected in the output pulse width modulation (PWM) duty cycle and the shunt current on the coupling coil in the clutch assembly, a permanent shutdown of the system occurs.
Error code descriptions
This diagnostic procedure addresses the following fault codes:
- DTC C0393(06) Rear Axle Clutch Solenoid Valve Control Circuit (wiring)
Conditions for setting DTC
For DTC C0393(06) to set, all of the following conditions must be met:
- The output duty cycle is greater than 90% and the winding current is less than 0.1 A.
- The output duty cycle is less than 10% and the winding current is greater than 3.0 A.
- The supply voltage is greater than 8 volts, there is no overcurrent error, and these conditions persist for more than 2 seconds.
Actions taken when setting DTC
- DTC code C0393(06) is written to memory.
- AWD system constantly disconnects, AWD indicator light is on.
Conditions for clearing DTC
- If the conditions that caused DTC C0393(06) to be stored no longer exist, the diagnostic code can be cleared using the appropriate diagnostic tool.
- A diagnostic trouble code that has not been stored in memory for 100 driving cycles is cleared from the history data.
DTC C0393(0B) - Rear Axle Clutch Solenoid Control Circuit (overcurrent)
| Step | Operation | Values | Yes | No |
| 1 |
Check the wiring harness, connector and terminals between the clutch controller and the clutch assembly.
Are there any physical damages found?
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-
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Go to Step 2
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Go to Step 3
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| 2 |
Repair the damage and check the system with a diagnostic tool.
Are any diagnostic codes found?
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-
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Go to Step 3
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The system is fine
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| 3 |
Replace the clutch controller. Calibrate the system and check the system with a scan tool.
Are any diagnostic codes found?
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-
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Go to Step 1
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The system is normal
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DTC C0394(06)
Description of the scheme
In case of error in the clutch assembly temperature signal, a substitute value is used for control (-20 degrees Celsius), and the DTC code is written into the memory.
Error code descriptions
This diagnostic procedure addresses the following fault codes:
- DTC C0394(06) Rear Axle Clutch Solenoid Temperature Sensor Circuit
Conditions for setting DTC
For DTC C0394(06) to set, all of the following conditions must be met:
- The clutch temperature sensor voltage is greater than 4.5 volts and remains constant for more than 10 seconds.
- The clutch temperature sensor voltage is less than 0.015 volts and it persists for more than 10 seconds.
Actions taken when setting DTC
- DTC code C0394(06) is written to memory.
- AWD system constantly disconnects, AWD indicator light is on.
Conditions for clearing DTC
- If the conditions that caused DTC C0394(06) to be stored no longer exist, the diagnostic code can be cleared using the appropriate diagnostic tool.
- A diagnostic trouble code that has not been stored in memory for 100 driving cycles is cleared from the history data.
DTC C0394(06) - Rear Axle Clutch Solenoid Temperature Sensor Circuit
| Step | Operation | Values | Yes | No |
| 1 |
Check the wiring harness, connector and terminals (pin 4.2 of the clutch controller) between the clutch controller and the clutch assembly.
Are there any physical damages found?
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-
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Go to Step 2
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Go to Step 3
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| 2 |
Repair the damage and check the system with a diagnostic tool.
Are any diagnostic codes found?
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-
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Go to Step 3
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The system is fine
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| 3 |
Replace the clutch assembly. Calibrate the system and check the system with a diagnostic tool.
Are any diagnostic codes found?
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-
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Go to Step 1
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The system is normal
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DTC C0550(35)
Description of the scheme
Add all ROM values to check if the result is the low byte "A5H".
The process when any of these errors occurs: The Clutch Controller (CCM) immediately goes into Stop Mode.
Error code descriptions
This diagnostic procedure addresses the following fault codes:
- DTC C0550(35) Electronic Control Unit (ECU) Functionality, ROM
Conditions for setting DTC
- CCM ROM failure, low byte result is not "A5H".
Actions taken when setting DTC
- DTC code C0550(35) is written to memory.
- AWD system constantly disconnects, AWD indicator light is on.
Conditions for clearing DTC
- If the conditions that caused DTC C0550(35) to be stored no longer exist, the diagnostic code can be cleared using the appropriate diagnostic tool.
- A diagnostic trouble code that has not been stored in memory for 100 driving cycles is cleared from the history data.
DTC C0550(35) - Electronic Control Unit (ECU) Functionality, ROM
| Step | Operation | Values | Yes | No |
| 1 |
Check the wiring harness, connector and terminals between the clutch controller and the clutch assembly.
Are there any physical damages found?
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-
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Go to Step 2
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Go to Step 3
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| 2 |
Repair the damage and check the system with a diagnostic tool.
Are any diagnostic codes found?
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-
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Go to Step 3
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The system is fine
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| 3 |
Replace the clutch controller. Calibrate the system and check the system with a scan tool.
Are any diagnostic codes found?
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-
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Go to Step 1
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The system is normal
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DTC C0550(39)
Description of the scheme
If, when monitoring the supply voltage before/after the relay command to turn on, a relay transition welding defect or a relay transition contact defect is detected, then a permanent shutdown of the system occurs.
Error code descriptions
This diagnostic procedure addresses the following fault codes:
- DTC C0550(39) Electronic Control Unit (ECU) Function, Wiring
Conditions for setting DTC
- During the initial check, the relay output power supply voltage for shutdown is greater than 9 volts, there is no overcurrent error, and these conditions persist for more than 1 second.
- During the initial check, the relay output turn-on supply voltage is greater than 2 volts, there is no overcurrent error, and these conditions persist for more than 5 seconds.
Actions taken when setting DTC
- DTC code C0550(39) is written to memory.
- AWD system constantly disconnects, AWD indicator light is on.
Conditions for clearing DTC
- If the conditions that caused DTC C0550(39) to be stored no longer exist, the diagnostic code can be cleared using the appropriate diagnostic tool.
- A diagnostic trouble code that has not been stored in memory for 100 driving cycles is cleared from the history data.
DTC C0550(39) - Electronic Control Unit (ECU) Function, Wiring
| Step | Operation | Values | Yes | No |
| 1 |
Check the wiring harness, connector and terminals between the clutch controller and the clutch assembly.
Are there any physical damages found?
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-
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Go to Step 2
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Go to Step 3
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| 2 |
Repair the damage and check the system with a diagnostic tool.
Are any diagnostic codes found?
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-
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Go to Step 3
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The system is fine
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| 3 |
Replace the clutch controller. Calibrate the system and check the system with a scan tool.
Are any diagnostic codes found?
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-
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Go to Step 1
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The system is normal
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DTC C0558(4B)
Description of the scheme
When the ECU controller does not have IT characteristic adjustment data (current - torque) for each clutch, the maximum torque will be limited.
Error code descriptions
This diagnostic procedure addresses the following fault codes:
- DTC C0558(4B) Calibration data not programmed/learned
Conditions for setting DTC
- The Clutch Controller Module (CCM) calibration process is not performed at the factory.
Actions taken when setting DTC
- DTC code C0558(4B) is written into memory.
- AWD system constantly disconnects, AWD indicator light is on.
Conditions for clearing DTC
- If the conditions that caused DTC C0558(4B) to be stored no longer exist, the diagnostic code can be cleared using the appropriate diagnostic tool.
- A diagnostic trouble code that has not been stored in memory for 100 driving cycles is cleared from the history data.
DTC C0550(39) - Electronic Control Unit (ECU) Function, Wiring
| Step | Operation | Values | Yes | No |
| 1 |
If replacing the clutch controller or replacing the clutch assembly, calibrate the system and check the system with a diagnostic tool.
Are any diagnostic codes found?
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Go to Step 2
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The system is normal
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| 2 |
Perform the diagnostic procedure corresponding to the fault code.
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DTC C0561(71)
Description of the scheme
If the accelerator signal fails, torque control will be performed based on wheel speed signals and a DTC will be stored in the memory.
Error code descriptions
This diagnostic procedure addresses the following fault codes:
- DTC C0561(71) System Permanent Disable, Information Stored
Conditions for setting DTC
- When the ECU controller receives an invalid signal and this condition persists for 500ms.
Actions taken when setting DTC
- DTC code C0561(71) is written to memory.
- Temporary deactivation of the AWD system, the AWD indicator lamp flashes.
Conditions for clearing DTC
- If the conditions that caused DTC C0561(71) to be stored no longer exist, the diagnostic code can be cleared using the appropriate diagnostic tool.
- A diagnostic trouble code that has not been stored in memory for 100 driving cycles is cleared from the history data.
DTC C0561(71) - System Permanent Disable, Information Stored
| Step | Operation | Values | Yes | No |
| 1 |
Are any diagnostic codes found?
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-
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Go to Step 2
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The system is fine
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| 2 |
Are any diagnostic codes found?
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-
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Go to Step 3
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The system is fine
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| 3 |
Replace the clutch controller. Calibrate the system and check the system with a scan tool.
Are any diagnostic codes found?
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-
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Go to Step 1
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The system is normal
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DTC C0899(03)
Description of the scheme
If, when monitoring the supply voltage after installing the relay, low battery voltage and a defective relay transition contact are detected, the system is switched off.
Error code descriptions
This diagnostic procedure addresses the following fault codes:
- DTC C0899(03) Device {single or 1} Low Voltage
Conditions for setting DTC
- After the system is installed, the supply voltage of the relay output signal on is less than 5 volts, there is no overcurrent error, and these conditions persist for more than 30 seconds.
Actions taken when setting DTC
- DTC code C0899(03) is written to memory.
- Temporary deactivation of the AWD system, the AWD indicator lamp flashes.
Conditions for clearing DTC
- If the conditions that caused DTC C0899(03) to be stored no longer exist, the diagnostic code can be cleared using the appropriate diagnostic tool.
DTC C0899(03) - Device {single or 1} Low Voltage
| Step | Operation | Values | Yes | No |
| 1 |
Are any diagnostic codes found?
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-
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Go to Step 2
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The system is fine
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| 2 |
Are any diagnostic codes found?
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-
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Go to Step 3
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The system is fine
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| 3 |
Are any diagnostic codes found?
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-
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Go to Step 1
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The system is normal
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DTC U0100(00)
Description of the scheme
If there is no signal from the ECM, torque control will be performed based on wheel speed signals and a DTC will be stored in the memory.
Error code descriptions
This diagnostic procedure addresses the following fault codes:
- DTC U0100(00) Communication Lost With Engine Control Module (ECM)
Conditions for setting DTC
- Unable to receive Engine Speed signal within 500ms.
Actions taken when setting DTC
- DTC code U0100(00) is written to memory.
- Temporary deactivation of the AWD system, the AWD indicator lamp flashes.
Conditions for clearing DTC
- If the conditions that caused DTC U0100(00) to be stored no longer exist, the diagnostic code can be cleared using the appropriate diagnostic tool.
DTC U0100(00) - Lost Communication With Engine Control Module (ECM)
| Step | Operation | Values | Yes | No |
| 1 |
Are any diagnostic codes found?
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-
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Go to Step 2
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The system is fine
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| 2 |
Are any diagnostic codes found?
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-
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Go to Step 1
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The system is normal
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DTC U0121(00)
Description of the scheme
If the transfer case clutch request signal is faulty, ABS/VSES control will not be allowed.
Error code descriptions
This diagnostic procedure addresses the following fault codes:
- DTC U0121(00) Communication Lost with Anti-Lock Brake System (ABS) Controller
Conditions for setting DTC
- Unable to receive Transfer Case Clutch Request signal within 500 ms.
Actions taken when setting DTC
- DTC code U0121(00) is written to memory.
- Temporary deactivation of the AWD system, the AWD indicator lamp flashes.
Conditions for clearing DTC
- If the conditions that caused DTC U0121(00) to be stored no longer exist, the diagnostic code can be cleared using the appropriate diagnostic tool.
DTC U0121(00) - Communication Lost With Anti-Lock Brake System (ABS) Controller
| Step | Operation | Values | Yes | No |
| 1 |
Are any diagnostic codes found?
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-
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Go to Step 2
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The system is fine
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| 2 |
Are any diagnostic codes found?
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-
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Go to Step 1
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The system is normal
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DTC U0140(00)
Description of the scheme
If there is no signal from the Body Control Module (BCM), control of the Clutch Control Module (CCM) will not be allowed.
Error code descriptions
This diagnostic procedure addresses the following fault codes:
- DTC U0140(00) Communication Lost With Body Control Module
Conditions for setting DTC
- Unable to receive System Power Mode signal within 500ms.
Actions taken when setting DTC
- DTC code U0140(00) is written to memory.
- Temporary deactivation of the AWD system, the AWD indicator lamp flashes.
Conditions for clearing DTC
- If the conditions that caused DTC U0140(00) to be stored no longer exist, the diagnostic code can be cleared using the appropriate diagnostic tool.
DTC U0140(00) - Communication Lost With Body Controller
| Step | Operation | Values | Yes | No |
| 1 |
Are any diagnostic codes found?
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-
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Go to Step 2
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The system is fine
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| 2 |
Are any diagnostic codes found?
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-
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Go to Step 1
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The system is normal
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