Power Supply
â–¶ How to fix
Check vehicle power supply system. Erase fault memory
What you'll see
No driver-visible symptom recorded.
System reaction
No influence on functionality. The system still trys to regulate the pressure and do regenerations as long as the solenoid valves can be activated. Some plausibility faults are disabled.
Diagnostic depth
Detection
Voltage measurement detected that the ECU supply voltage has fallen below 11,8 V. This undervoltage failure will be deactivated when the ECU supply voltage exeeds 12,2 V.
Possible cause
Failure of charger voltage regulator, empty battery, high contact resistance in any connector or broken wire.