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C0110 C0xxx · 底盘（C） 高严重度
ABS Pump Motor Circuit Malfunction
The ABS hydraulic pump motor does not run or draws wrong current. The system cannot build pressure for ABS or stability intervention.
严重程度说明： 高——立即停车诊断，继续行驶有扩大损坏的风险
你会注意到的故障现象
- ABS lamp on
- No ABS pulsation in an emergency stop
- Possible braking warning lamp
常见原因
按可能性从高到低排列——从最上面开始查。
- 1 Failed pump motor
- 2 Seized hydraulic modulator
- 3 Blown high-current fuse or failed relay
- 4 Corroded connector at the modulator
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 the high-current ABS fuses and relay first.
- ✓ Run the pump with a bidirectional tool and listen for operation.
- ✓ Measure current draw and supply voltage at the modulator connector while commanded.
- ✓ Inspect the connector for corrosion and overheating.
维修方案
- Replace the ABS modulator/pump assembly
- Repair the power supply or earth
- Replace the relay or fuse
C0110 —— 常见问题
Do brakes still work? +
Base braking remains, but without ABS and often without stability control. Treat it as urgent.
Can I repair just the motor? +
Most manufacturers supply the modulator as a complete unit. Check whether the motor is separately available for your model.