Defect Code 23

Defect Code 23:

Explanation:

The ABS/ASC+T does not detect whether an EGS or a manual transmission is installed. Incorrect switch over of the transmission characteristic may result. This can cause less effective ASC operation when starting off.

Possible cause:

Short to positive or to ground at the option pin

Incorrect option pin coding is detected in the case of manual transmission with defect code 20

Troubleshooting:

EGS:

Connecting wire at ABS/ASC+T control unit from Pin 15 to Pin 34 (wire jumper) must be open.

Check wires (Pin 15, 34) for a short and repair if necessary.

Manual transmission:

Check connecting wire at ABS/ASC+T control unit from Pin 15 to Pin 34 for a short and repair if necessary.

Attention:

A break in this wire in vehicles with manual transmission is detected by way of defect code 20.

Other System Defects:
The system defect is not stored by the ABS/ASC+T control unit or the flash code cannot be read out.