C1251 (blink 51) on Toyota Passo (KGC10): Motor pump non-rotation
Short answer: C1251 means “Motor pump non-rotation”. The car’s computer has found a fault in the ABS system and turns on the ABS warning light. First check: follow manual.
- Code
- C1251 · blink 51
- System
- ABS
- Dashboard light
- ABS warning light
- Also sold as
- Daihatsu Boon, Daihatsu Sirion (M300)
- Applies to
- M300/M301 export
- Confidence
- high (factory chart)
- Source
- carmanualsclub.com
Symptoms and when it is set
- Warning lamp per chart
Likely causes
- Motor pump non-rotation
What to check, in order
- Follow manual
Related on this car
Same code on other cars
Clearing the code does not fix the fault. If it comes back, the problem is still there. For brakes, airbags and steering, see a trained mechanic.

