Powertrain
generic / SAE
P25FF
Electrical System Voltage Stabilizer Control Module Performance
The voltage stabiliser module (DC/DC converter for stop-start engine cranking events) does not maintain the regulated 12 V output during high transient loads. Sensitive electronics may reset during cranking.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / FF
Possible causes
- Aged smoothing capacitors lose capacitance high
- Battery condition causes input voltage to drop too far medium
- Internal fault in the converter switching stage medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1200 €
- Estimated time: 1–3.5 h
- Component: voltage stabilizer module
- Component: dc dc converter
- MIL / check engine light
Sources
References
sae:J2012