Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition
Diagnostic trouble code (DTC) SUM-0332 is stored if there is a fault in the communication between the Suspension Module (SUM) and the central electronic module (CEM).

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.

Possible source
- Communication problems in the CAN network
- Defective Suspension Module (SUM)
- Defective central electronic module (CEM).

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