Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition




Diagnostic trouble code (DTC) is stored if the suspension module (SUM) registers that there is no control of the circuit for power supply to the solenoids. The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.

Note! The test is carried out every other operating cycle. The Suspension module (SUM) defines an operating cycle as ignition on and ignition off.

Substitute value
- Four-C (Continuously Controlled Chassis Concept) control is switched off.

Hint: For information about abbreviations, see Suspension system, abbreviations Description and Operation.

Possible source
- Short-circuit to ground in the power supply cable for one of the solenoids
- Short-circuit to ground in one of the solenoids
- Damaged control module.

Fault symptom[s]
- General warning lamp lit
- Message in the display
- Four-C (Continuously Controlled Chassis Concept) does not work.