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ENRUDEPLES

P0750 — Shift Solenoid A Malfunction

serious

What it means

The transmission control module detects an electrical fault in shift solenoid A, which directs hydraulic pressure to the clutch packs for a specific gear. An open winding, a short or a wrong current draw makes the solenoid unable to switch, so one or more gears become unavailable. The car typically shifts harshly, skips a gear or stays in limp mode with third gear only.

Likely causes (most common first)

  1. Electrically failed shift solenoid, open or shorted winding
  2. Solenoid mechanically stuck by varnish or metal debris in dirty fluid
  3. Damaged wiring or corroded case connector between TCM and solenoid pack
  4. Low transmission fluid level or a clogged filter
  5. Worn valve body bore around the solenoid
  6. Faulty output driver in the transmission control module

Can you drive with it?

Drive only as far as the workshop and gently: gear engagement is unreliable and hard shifts damage the clutches.

This is the generic meaning. What about your car?

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