CCU-222 Rear Lock Arm Position Sensor

Condition:
If the voltage level from the rear lock arm position sensor to the control unit is too low, the diagnostic trouble code CCU-222 is displayed.

Possible Source:
- The excitation voltage to the rear lock arm position sensor (potentiometer) is too low.
- Open circuits in the excitation wire to the potentiometer.

Fault Symptom(s):
Power roof (hood) mechanism not working.