ABS Modulator IV-Valve Short Circuit to GND Detection (FA left)
- Check wiring of the relevant ABS-valve (short to GND ?) - Check relevant actuator (internal short circuit to GND ?). - Replace the ABS-ECU module, if the wiring and the relevant ABS-valve is faultless
What you'll see
No driver-visible symptom recorded.
System reaction
ABS function at relevant wheel is switched off ABS function at other wheels is still available ATC brake and engine control is still available HSA is deactivated EBL is not deactivated Drag Torque Control is not deactivated
Diagnostic depth
A short circuit to GND of the inlet valve line on the left front ABS Modulator was detected.
- wiring of the relevant ABS-valve has short to GND - relevant actuator has internal short circuit to GND - ABS-ECU defective