Defect Code 15

Defect Code 15:

Defect symptom:

MSR mode although handbrake is applied

Possible causes:

Handbrake switch defective

Short or break on the wire to the hand brake switch or from the handbrake switch to the ABS/ASC control unit or to the instrument cluster

Troubleshooting:

Switch on ignition

Measure voltage at ABS/ASC control unit Pin 3 and Pin 52; nominal value: approx. 12 V;

Nominal value not OK:

Check wire to instrument cluster and indicator lamp and repair or replace as necessary

Nominal value OK:

Apply handbrake and measure voltage once again: nominal value < 0.5 V:

Check handbrake switch, wire and ground connection and repair or renew as required