Modulator Front Left
â–¶ How to fix
- Check wiring and the relating electric connectors of the left front Modulator Valve ( IV/OV short circuit to GND? ) - Check left front Modulator Valve (internal short circuit to GND?). Replace as required. - Replace the ABS-ECU module, if the wiring of the left front Modulator Valve is faultless (this is the last thing to do !)
What you'll see
No driver-visible symptom recorded.
System reaction
ABS wheel disabled ESC/RSC disabled Hillhold Function disabled
Diagnostic depth
Detection
current above normal or grounded circuit
Possible cause
ABS Modulator IV-Valve Short Circuit to GND Detection (FA left) ABS Modulator OV-Valve Short Circuit to GND Detection (FA left)