C0220
Sistema
Chassis (ABS / Stability)
Escáner necesario
Full-system scanner (engine, ABS, SRS, transmission, service resets)

ABS Pump Motor Circuit Open

Understand C0220, common causes, and the right FOXWELL scanner to diagnose it.

Open circuit to ABS pump motor — no hydraulic pressure build for ABS modulation.

Síntomas habituales

  • ABS light
  • No ABS function

Causas típicas

  • Cut wire to pump
  • Unplugged connector at ABS module
  • Failed pump motor windings

¿Qué escáner necesita?

Full-system scanner (engine, ABS, SRS, transmission, service resets)

Use datos en vivo y freeze frame antes de cambiar piezas. Códigos ABS, SRS y U suelen requerir un escáner de todos los sistemas.

Consejos de diagnóstico

  • Registre el freeze frame cuando se active el código
  • Borre el código solo tras corregir la causa
  • Revise códigos pendientes relacionados
  • Verifique que la batería esté por encima de 12,4 V antes de sospechar sensores

Escáneres FOXWELL recomendados

Preguntas frecuentes

Can I diagnose C0220 with a basic code reader?
C0220 may set in the engine module, but related diagnostics often benefit from an enhanced or full-system scanner with live data and freeze frame.
Is it safe to drive with C0220?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.