Why does my 2014–2020 Mitsubishi Outlander shudder or slip when I accelerate?

Short answer: Outlander owners report the CVT (a transmission with a belt instead of gears) shuddering, slipping or feeling slow to pick up, often starting at low speed. A fluid service sometimes helps but doesn't always cure it, and some cars end up needing a new transmission. 2016 models also have a software recall for delayed acceleration.

Symptom: A vibration or shudder when pulling away or at low speed, revs rising without the car speeding up, hesitation, or a transmission warning light.

What to check first

1. Run your VIN for recall 16V563 (2016 Outlander CVT software).
2. Check when the CVT fluid was last changed and use only Mitsubishi's specified CVT fluid.
3. Have a dealer read transmission data before agreeing to a replacement.
4. Ask whether your powertrain warranty still covers the CVT, especially if you're the original owner.

Likely causes

1. Worn or degraded CVT fluid / internal wear. A 2016 Outlander owner on r/mitsubishi had shudder, slipping and poor acceleration. New lines, pan and fluid helped, but the shudder stayed.
2. CVT control software (2016 recall). Recall 16V563 reprograms the CVT computer on 2016 Outlanders that may be slow to accelerate.
3. Failing CVT. Owners on Mitsubishi Forum describe CVTs that kept getting worse until replaced.

What it usually costs

I couldn't find a reliable published price for an Outlander CVT replacement. Fluid service is the cheap first step, and recall software is free. If a dealer says the CVT needs replacing, get a written quote and check the warranty first.

Is it safe to keep driving?

Mild shudder is usually drivable short-term, but slipping or delayed acceleration is risky when you pull into traffic. Get it checked soon, and don't wait until it won't move. Verify with a mechanic.

DIY or shop?

Shop. CVT fluid service needs the right fluid and a level check procedure; diagnosis needs a scan tool.

Recalls, bulletins and complaints in plain words

• Recall 16V563 (2016 Outlander, plus 2015–2016 Outlander Sport and 2016 Lancer): the CVT can be slow to accelerate in some conditions. If your car is part of this recall, the dealer reprograms the CVT computer for free.
• NHTSA complaints: 237 keyword-matched complaints for Mitsubishi OUTLANDER 2014–2020 (of 619 unique complaints queried, NHTSA complaints API by model year, queried 2026-10-17; keywords: CVT, transmission, shudder, judder, slip, hesitat).

What owners report

• A 2016 Outlander owner on r/mitsubishi had bad shudder, slipping and poor acceleration. The shop replaced the lines and pan and changed the fluid. It improved, but the shudder kept coming back.
• An owner on Mitsubishi Forum posted about a CVT problem on a 2015 Outlander 2.4.

My take

My advice as a former car salesman: test drive a used Outlander from a full stop several times and at 20 to 40 mph with light throttle. That's where a tired CVT shows itself. Ask for CVT fluid service records.

Vehicle focus: 2014–2020 Mitsubishi Outlander with the CVT (gas models).

Safety / mechanic note

Slipping or delayed acceleration can be dangerous in traffic. Verify with a mechanic.