P0746
Sistema
Powertrain (Transmission)
Escáner necesario
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Pressure Control Solenoid Performance or Stuck Off

Understand P0746, common causes, and the right FOXWELL scanner to diagnose it.

Pressure control solenoid not achieving commanded pressure.

Síntomas habituales

  • No movement
  • Weak shifts
  • Trans slip

Causas típicas

  • Stuck solenoid
  • Internal leak
  • Low ATF pump output

¿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 P0746 with a basic code reader?
P0746 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 P0746?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.