Ford Focus and Fiesta PowerShift Shudder and Jerking (Australia)

Ford Focus, Fiesta and EcoSport models with the six-speed PowerShift automatic, supplied in Australia from 2011 to 2016, are well known for shuddering and jerking. PowerShift is a dual-clutch gearbox that uses dry clutches, more like an automated manual than a traditional automatic. It saves fuel, but it's sensitive to wear, contamination and control faults. If yours shudders when pulling away, hesitates or clunks between gears, you're far from alone.

If you'd like a ranked list of likely causes for your exact car and symptoms, the DIY Mechanic app can help. Below is what the symptoms usually mean and what to do next.

Why does my Focus or Fiesta shudder when pulling away?

Shudder from a standstill is the classic PowerShift complaint. Because the clutches run dry, they have to slip smoothly to get you moving, and anything that upsets that slip shows up as a judder. Common causes include:

• Clutch contamination: leaking input shaft seals or the engine's rear main seal can let oil onto the dry clutches, which causes slipping and shudder.
• Worn clutches: the clutches wear like a manual clutch, and stop-start traffic speeds that up.
• Transmission control module (TCM) faults: the module that runs the gearbox has a history of failures, including connector and ground problems. A failing TCM can cause harsh shifts, loss of drive or a sudden shift to neutral.
• Clutch actuators or shift motors: the electric motors that operate the clutches and shifts can wear or fail.
• Out-of-date software: Ford released software updates aimed at improving how the clutches engage.

Is it safe to drive with a shuddering PowerShift?

A mild shudder when pulling away is more annoying than dangerous, but don't ignore it. Some PowerShift faults cause hesitation when you accelerate or a sudden loss of drive. Pulling out into traffic and having the car hesitate is a genuine risk. If you get a transmission malfunction message, the car drops into neutral, or it hesitates badly when you need to accelerate, get it checked before you rely on it in traffic.

What did the ACCC case find?

In April 2018 the Federal Court ordered Ford Australia to pay a 10 million dollar penalty for unconscionable conduct in how it handled complaints about PowerShift cars. The ACCC said Ford knew of quality issues, including excessive clutch shudder, transmission noise and delayed acceleration, yet often told customers the shuddering was caused by their driving style. The case covered more than 70,000 Fiesta, Focus and EcoSport vehicles supplied between 2011 and 2016.

If your car is affected, it's worth asking a Ford dealer about any updates or service actions that apply to your VIN. Under the Australian Consumer Law you may also have rights if a major fault was present. The ACCC and your state's consumer affairs office can explain your options. This isn't legal advice, just a starting point.

What can I check myself?

• When it happens: from a standstill, at low speed in traffic, on hills or only when warm. Write it down, because intermittent faults are easy to dismiss.
• Warning messages: note any transmission malfunction message or flashing gear indicator.
• Smell: a burning clutch smell after stop-start driving suggests the clutches are slipping.
• Service and repair records: check for previous clutch, TCM or seal repairs and software updates.
• Video it: a short phone video of the shudder, safely recorded by a passenger, helps a workshop see what you're feeling.

PowerShift symptoms and what they usually point to

When should I see a mechanic?

See someone if the shudder is getting worse, if you get warning messages, or if the car ever hesitates or loses drive in traffic. Choose a workshop that knows dual-clutch gearboxes, since PowerShift diagnosis needs a scan tool that can read the transmission module and run clutch relearns. Ask what they've found before agreeing to a full clutch replacement, because a TCM or seal fault can mimic worn clutches.

To get a clearer idea of what's going on with your Focus or Fiesta, try a free diagnosis preview below.