Control unit
â–¶ How to fix
Rectify the fault as follows: 1. Calibrate all levels, follow the calibration description in SDP3. Erase the fault code and check that it does not recur.2. If calibration failed, check the cable harness for damage and prohibited connections and make sure the solenoid valves and level sensors are intact.If the fault remains, and all components have been checked and are in perfect condition, renew the control unit.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
Incorrect or unreliable data.
Possible cause
Internal fault in the control unit.