Defect Code 20

Defect Code 20:

Explanation:

Defect on connecting link (interlace) to the EGS (transmission intervention)

Possible cause:

Short or break on the wire to the EGS control unit

Troubleshooting:

Switch on ignition and measure voltage at control unit connector (X11) Pin 54;
Nominal value: Approx. 12 V

Nominal value OK.:

- Check wire from control unit connector (X11) Pin 54 to the EGS for continuity and repair if necessary.

- Simulate control mode.

- Voltage must drop to approx. 0 V, if necessary, renew ABS/ASC+T control unit

Nominal value not OK.:

- Repair wire, if necessary renew ABS/ASC+T control unit.