Body
generic / SAE
B0425
Audio Amplifier Internal Failure
The audio amplifier reports an internal self-test failure. Sound output may be distorted, missing on some channels, or the amplifier enters a protection mode.
SystemBody
Typegeneric / SAE
GroupB0
Range / number4 / 25
Possible causes
- Amplifier internal fault high
- Power supply or ground fault medium
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 0.5–2.5 h
- Component: audio amplifier
- Component: infotainment module
Sources
References
sae:J2012