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P0752: Shift solenoid A stuck on

Shift solenoid A in the automatic gearbox is stuck on, so it picks the wrong gears or stays in one. Dirt jamming the valve is common.

Code P0752 at a glance
CodeP0752
SystemEngine and transmission
GroupP07xx, Transmission
TypeGeneric: it means the same on every make
Can you keep driving?With care

What P0752 means

Shift solenoids route fluid inside the automatic gearbox to move from one gear to the next. Exactly which job solenoid A does is up to each manufacturer. The control unit sees the valve still acting when it shouldn’t, as if it had jammed in the on position.

Most common causes

  • Dirty gearbox fluid holding the valve in place
  • Shift solenoid A mechanically jammed
  • Control wire shorted to earth, keeping it switched on
  • Dirty or worn valve body
  • Transmission control unit (uncommon)

Symptoms

  • Engine warning light on
  • Gearbox selects the wrong gear
  • Pulls away in a high gear with little power
  • Stays in one fixed gear (limp mode)

Can you drive with P0752?

With care You can drive, but the gearbox often sticks in a single gear, so the car feels weak or over-revs. Drive calmly to a garage and avoid fast roads if it won’t change up.

How to check it

Note when it happens: cold or hot, when stopping or moving off. With a scanner, see if the code returns straight after clearing it: instantly usually means electrical, later on more likely mechanical.

How to read and clear P0752 with Final OBD

Plug an OBD2 scanner in under the steering wheel, switch the ignition on and open Final OBD. Under Faults you’ll see P0752 with this same explanation and whether it’s confirmed, pending or permanent.

This code is usually stored by the gearbox control unit. With Free you read it for nothing with its short description, because Free reads every control unit; with Pro you also get the full explanation, how the car was running when it was logged and clearing.

Clearing the code only turns the light off: if the cause is still there, it comes back. Clear it once it’s fixed, and not right before the ITV. It’s all in how to read and clear fault codes and in the ITV and OBD.

Similar codes

P0752 is a generic code, so it means the same on any make, for example on Abarth, Citroën, Cupra, Hyundai, Mini, Seat. See what Final OBD does on your car in makes and models.

What does code P0752 mean?

Shift solenoids route fluid inside the automatic gearbox to move from one gear to the next. Exactly which job solenoid A does is up to each manufacturer. The control unit sees the valve still acting when it shouldn’t, as if it had jammed in the on position.

Can you drive with P0752?

You can drive, but the gearbox often sticks in a single gear, so the car feels weak or over-revs. Drive calmly to a garage and avoid fast roads if it won’t change up.

How do you clear P0752?

With an OBD2 scanner and an app like Final OBD, which clears it for free if it’s stored by the engine control unit. But clearing it only turns the light off: if the cause isn’t fixed, P0752 comes back.