Code
C0277
Brakes / ABS
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Most likely causes
- مضخة تالفة
- مرحل
Symptoms you may notice
- ABS light
- Longer stopping distances
Checks to run
- Check pump motor relay and fuse
- Test the motor
- Inspect wiring
Tools you may need
Multimeter
Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.