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B1000 B0xxx · 车身（B） 中严重度
Body Control Module Internal Fault
A generic body-module self-check failure. Manufacturer-specific above the SAE range — read the module's own extended data before acting.
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
- Multiple body functions out
- Lighting, locking or windows behaving oddly
- Scan tool communication problems
常见原因
按可能性从高到低排列——从最上面开始查。
- 1 Software or configuration fault
- 2 Power supply or earth problem
- 3 Water ingress in the module
- 4 True hardware failure (least common)
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。
- ✓ Check battery voltage, fuses and all body-module earths first.
- ✓ Inspect the module and its connectors for water damage.
- ✓ Check whether coding/configuration was lost after a battery disconnect.
- ✓ Look for a software update before replacing hardware.
维修方案
- Repair power or water-ingress faults and reconfigure
- Reflash or replace the module as a last resort
B1000 —— 常见问题
Is the module dead? +
Rarely. Most of these are power, earth or water problems that disappear once the supply is restored.
Can a flat battery cause it? +
Yes — low voltage during cranking corrupts configuration and sets internal faults.