VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC C0041 PARAMETER SELECTION ERROR

DTC DETECTING CONDITION:

VDCCM parameter selection error

TROUBLE SYMPTOM:

• ABS does not operate.

• EBD does not operate.

• VDC does not operate.

NOTE:

When the VDCCM or VDCCM&H/U is replaced, this DTC may be stored.

STEPCHECKYESNO

1.CHECK VDCCM&H/U REPLACEMENT HISTORY.

Is there history of VDCCM replacement by itself?

2.CHECK VDCCM IDENTIFICATION SYMBOL.

Check the identification symbol of the seal attached on the side of the VDCCM.

AT:

S1

MT:

S2 (2.0R and WRX)

S5 (1.5R, WRX-SS, diesel engine model)

Is the identification symbol correct?

Replace the VDCCM only.

3.CHECK VDCCM&H/U IDENTIFICATION SYMBOL.

Check the identification symbol stamped on the upper part of the H/U.

AT:

S1

MT:

S2 (2.0R and WRX)

S5 (1.5R, WRX-SS, diesel engine model)

Is the identification symbol correct?

Replace the VDCCM&H/U.

4.CHECK PARAMETER SELECTED IN VDCCM.

Does the parameter registered in the VDCCM match the relevant vehicle?

Replace the VDCCM only.

Select and register the correct parameter.