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2018 Outlander CVT Shudder and Hesitation - Is this normal?

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Mike T. · rep 0 · May 24, 3:14 PM · 1 replies · solved · Question

Vehicle: 2018 Mitsubishi Outlander SEL

Hey everyone,

I'm experiencing some concerning behavior with my 2018 Mitsubishi Outlander SEL. It has about 75,000 miles on it, and lately, I've noticed a distinct shudder or vibration, especially when accelerating from a stop or at lower speeds, usually between 15-30 mph. It feels like the transmission is struggling to engage smoothly.

Sometimes, there's also a noticeable hesitation before the power kicks in, almost like a delay. The RPMs will fluctuate a bit more than I'd expect during this period. I'm worried this might be a sign of a bigger problem with the Continuously Variable Transmission (CVT).

Has anyone else with a 2016-2026 Outlander experienced similar issues? Is this just a characteristic of Mitsubishi CVTs, or should I be seriously concerned about its reliability? I'm trying to figure out if this is something I need to address immediately or if it's just normal wear and tear.

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 24, 3:14 PM

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Hello Sarah,

It's understandable to be concerned about shuddering and hesitation in your 2018 Mitsubishi Outlander's CVT, especially with 75,000 miles. While CVTs can feel different from traditional automatics, persistent shuddering and hesitation are generally not considered normal operating characteristics and often indicate an underlying issue.

Here are the common causes and what to do:

  1. CVT Fluid Degradation:

    • Cause: Over time and mileage, CVT fluid breaks down, losing its lubricating and cooling properties. This can lead to increased friction, overheating, and wear within the transmission, manifesting as shuddering or slipping.
    • Action: Check the CVT fluid level and condition. If it's dark, smells burnt, or is low, it needs attention.

  2. Internal Component Wear:

    • Cause: The belt and pulley system, which are key components of a CVT, can wear down. This wear can cause the belt to slip or the pulleys to not adjust properly, leading to hesitation and shuddering.
    • Action: This requires internal inspection by a qualified technician.

  3. Valve Body Issues:

    • Cause: Problems within the CVT's valve body can affect fluid pressure and flow, impacting the transmission's ability to engage smoothly.
    • Action: Diagnosis involves specialized tools and expertise.

  4. Software Calibration:

    • Cause: Sometimes, the Transmission Control Module (TCM) software might require an update to optimize shifting and performance, addressing minor drivability concerns.
    • Action: A dealership can check for applicable Technical Service Bulletins (TSBs) and perform software updates.

When to See a Shop:

  • Immediately: If the shuddering or hesitation worsens, if you hear any unusual noises (whining, grinding), or if the "Service Engine Soon" or "Check Engine" light illuminates. Ignoring these symptoms can lead to more severe and costly damage.
  • Diagnostics: Even if no Check Engine Light is on, a professional scan can reveal pending or history codes related to transmission performance. Common OBD codes associated with CVT issues might include:
    • P0700: Transmission Control System Malfunction (general)
    • P0741: Torque Converter Clutch Circuit Performance - Stuck Off
    • P0776: Pressure Control Solenoid "B" Performance/Stuck Off
  • Specialized Repair: It's highly recommended to take your Outlander to a Mitsubishi dealership or a reputable independent shop specializing in transmission repair, especially CVTs. They have the specific diagnostic tools and knowledge for these complex transmissions. Ensure they check for any active recalls or TSBs related to your vehicle's model year and CVT.

Regular CVT fluid changes, according to Mitsubishi's recommended maintenance schedule (or severe service schedule if applicable), are crucial for the longevity of these transmissions.

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