P090D: Clutch B Actuator Control Circuit High

What does P090D mean?

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.

The code tells you which monitor failed, not which part is broken. Test before replacing parts.

Symptoms

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

Common causes

• High Failed clutch B actuator motor (Ford program 20B23)
• Medium Motor or control wire shorted to a supply line
• Low Faulty motor driver in the TCM

Likelihood is a general estimate across vehicles; your make and model may differ.