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P090D code meaning

Clutch B Actuator Control Circuit High

Powertrain system Generic code P09xx codes Check engine light

What P090D means

Set when the control circuit of the clutch B actuator shows a high state, i.e. a motor or control line is shorted to battery voltage. Ford documents P090D as the short-to-power check of the clutch B motor in the DPS6 PowerShift transmission of the Fiesta and Focus. Ford customer satisfaction program 20B23, covering some 2016-2017 Focus cars, names P090D together with P0900 and several hall and driver codes as signs of failed clutch actuator motors, with erratic shifting, vibration and a lit check engine light; dealers replaced both motors. P090A and P090C are the open and ground faults of the same circuit, P0903 the clutch A equivalent. CARB requires circuit checks on such transmission outputs.

P090D at a glance

  • Check engine lightYes, usually on
  • Emissions testCan fail
  • Limp modePossible
  • Repair difficultyMedium
  • Typical labor1 to 3 hours
  • Clears after repairWhen cleared with a scanner

Symptoms of P090D

  • Check engine light on
  • Erratic or missed shifts and vibration
  • Limp mode, possibly no drive

Common causes of P090D

  • Most likelyFailed clutch B actuator motor (Ford program 20B23)
  • PossibleMotor or control wire shorted to a supply line
  • Less likelyFaulty motor driver in the TCM

Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.

Parts involved

Clutch b actuatorWiring harnessTCM

What each part of P090D means

PPowertrain system: engine, fuel system, ignition, emissions and transmission.
0Generic code: it means the same on every make (SAE standard).
9Area: transmission.
0DThe exact fault in that area.

What to do next

  • Note P090D and any other codes stored with it: several codes together often point to one cause.
  • Check for loose connectors and damaged wiring around the parts the code names.
  • Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
  • Clear the code only after the repair. If it comes back, the fault is still there.

Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.

Questions about P090D

What does P090D mean?

P090D means "Clutch B Actuator Control Circuit High". Set when the control circuit of the clutch B actuator shows a high state, i.e. It is a generic code, so it means the same on every make.

Is it safe to drive with P090D?

Drive gently and only to a workshop. With P090D the car can go into limp mode (reduced power) to protect itself.

Will P090D fail an emissions test?

Yes, it can. P090D is emissions-related, so most inspection programs fail a car while it is stored or while the check engine light is on.

How hard is P090D to fix?

Difficulty: medium. A typical repair takes 1 to 3 hours of work. This is a job for a workshop.

Will P090D clear itself after the repair?

Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.

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Technical content: OBDex open OBD-II database (public domain, CC0), checked 13 Oct 2026, edited for US drivers by the VinGear team.
Technical sources for P090D