Dif-OV (LD1), Shorted to UB Detection
â–¶ How to fix
- Check wiring of all actuators, that are connected to lowsidedriver #1 (lowside has short to UB ?) - Replace the ABS-ECU module, if the wiring is faultless
What you'll see
No driver-visible symptom recorded.
System reaction
ABS function is still available. ATC engine control is still available ATC brake control is switched off HSA is deactivated EBL is deactivated Drag Torque Control is not deactivated
Diagnostic depth
Detection
A short circuit to UB on the lowside driver output line (LD1/Dif-OV) was detected
Possible cause
- faulty wiring of actuators, that are connected to lowsidedriver #1 - ABS-ECU defective