The left cylinder is faulty (CYLINDER_LEFT_ERROR)
Check the angle sensor and the left pressure sensor. If the sensor data is valid replace the left cylinder.
What you'll see
No driver-visible symptom recorded.
System reaction
When the DTC is active an amber ACS malfunction warning will be show in the instrument cluster and the vehicle will enter limp home mode.
Diagnostic depth
The DTC becomes active if the expected pressure based on the angle sensor information differs from the pressure based on the left pressure sensor information during 7 right turns. The DTC can only become active when the vehicle is moving and not when the following DTCs are active: PRESSURE_SENSOR_LEFT_ERROR ANGLE_SENSOR_OUT_OF_RANGE The DTC is deactivated if the expected pressure does not differ from the actual pressure during 7 right turns.
The left cylinder is leaking oil.