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B1325 B0xxx · 车身（B） 中严重度
System Voltage Out of Range
The body module has seen voltage either too low or too high. Check the charging system in both directions before replacing anything.
严重程度说明： 中——已影响行驶或排放，请本周内安排检修
你会注意到的故障现象
- Random warning lamps
- Modules dropping off the bus
- Dimming or flickering lights
常见原因
按可能性从高到低排列——从最上面开始查。
- 1 Charging system fault (under- or over-charging)
- 2 Loose battery terminal
- 3 Faulty earth
- 4 Jump-start voltage spike
如何排查
先做花钱最少、侵入最小的检查——大多数这类码不是零件问题。
- ✓ Measure charging voltage at idle and at 2,000 rpm with loads on.
- ✓ Check battery terminals for tightness and corrosion.
- ✓ Look at the vehicle history for recent jump starts.
- ✓ Read the same fault across other modules to see how widespread it is.
维修方案
- Repair the charging system
- Clean and tighten terminals
- Replace a damaged battery
B1325 —— 常见问题
Multiple modules have the same code — what does that mean? +
A vehicle-wide supply problem, not a module fault. Start at the battery and alternator.
Can jump-starting damage modules? +
Yes if polarity is reversed or voltage spikes. Always connect a stable supply when boosting modern vehicles.