Dif Valves 1 and 2
â–¶ How to fix
Check wiring and the relating electric connectors of the rear 3/2 solenoid valve DIF1 ( Output shorted to UB? Output shorted coil? )
What you'll see
No driver-visible symptom recorded.
System reaction
ASR Diff. Brake disabled ESC/RSC disabled Hillhold Function disabled
Diagnostic depth
Detection
voltage above normal or shorted high
Possible cause
Diff. Brake Valve, shorted to UBATT Diff. Brake Valve, short circuit