Conditions for Setting the DTC
WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
C0393 01
- At initialization, the rear differential clutch solenoid valve has a duty cycle of 0 for 10 ms.
- The low side voltage monitor signal is greater than 86% of battery voltage.
- The high side voltage monitor signal is greater than 85% of battery voltage.
OR
- The low side of the field-effect transistor current is greater than 18.6 A.
OR
- The low side of the field-effect transistor duty cycle is greater than 20% for 10 ms.
- The low side voltage monitor is greater than 85% of battery voltage.
C0393 02
- At initialization, the rear differential clutch solenoid valve has a duty cycle of 0 for 10 ms.
- The low and high side voltage monitor signal is less than 5% of battery voltage.
OR
- The rear differential clutch solenoid valve has a duty cycle less than 80%.
- The low side voltage monitor signal is less than 15% of battery voltage.
- The high side hardware status voltage monitor signal is greater than 4.76 V.
- The duty cycle is stable for 10 ms.
C0393 04
- The rear differential clutch solenoid valve has a constant duty cycle of 20-80% for 10 ms.
- The low side voltage monitor signal is less than 15% of battery voltage.
- The high side status signal is less than 0.30 V.
- The solenoid valve current is less than 0.423 A.
C0393 61
- A stuck solenoid valve is detected.