Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition




Diagnostic trouble code (DTC) SUM-0204, SUM-0205 or SUM-0206 is stored if the suspension module (SUM) registers that internal circuits in the suspension module (SUM) are not working.

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 control is switched off.

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

Possible source
- Defective control module.

Fault symptom[s]
- General warning lamp lit
- Message in the display
- Four-C does not work.