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2022 Eclipse Cross SEL - Transmission Limp Mode & P0700 Code

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Chris P. · rep 0 · May 22, 5:29 AM · 1 replies · solved · Question

Vehicle: 2022 Mitsubishi Eclipse Cross SEL

Hello everyone,

My 2022 Mitsubishi Eclipse Cross SEL has been acting up lately. The transmission feels really sluggish, and a couple of times now, it's gone into 'limp mode' where it barely shifts and feels like it's stuck in a high gear. When this happens, the Check Engine Light comes on.

I managed to get the code, and it's P0700, which points to a 'Transmission Control System Malfunction'. I know the Eclipse Cross uses a CVT, and I'm worried about potential CVT issues. The car only has about 30,000 miles on it.

Has anyone else experienced this with their Eclipse Cross or other Mitsubishi CVT? What was the outcome? Is this something that's usually covered under warranty, or am I looking at a major repair? Any advice on next steps would be greatly appreciated.

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 5:29 AM

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ClearTheCode admin answer:

The P0700 code on your 2022 Mitsubishi Eclipse Cross SEL indicates a general fault within the Transmission Control System (TCS). This code is a generic indicator that the Transmission Control Module (TCM) has detected an issue and has illuminated the Check Engine Light. It usually means there are more specific transmission-related codes stored in the TCM that need to be retrieved with a specialized scan tool.

Given that your vehicle is going into 'limp mode,' this is a protective measure taken by the TCM to prevent further damage to the transmission when a serious fault is detected.

Here are common causes associated with P0700 and CVT issues:

  1. Low or Contaminated CVT Fluid: Incorrect fluid levels or degraded CVT fluid can cause pressure issues and lead to improper operation. CVT fluid is highly specialized and requires specific types.
  2. Transmission Sensors: Faulty speed sensors (input or output), pressure sensors, or temperature sensors within the CVT can send incorrect data to the TCM, causing it to misinterpret operating conditions.
  3. Valve Body Issues: The valve body controls the flow of fluid within the transmission. Malfunctions here can lead to shifting problems and limp mode.
  4. Internal CVT Component Wear: While less common at 30,000 miles, excessive wear on the belt, pulleys, or other internal components can cause performance issues.
  5. TCM Malfunction: In rare cases, the Transmission Control Module itself can fail.

What to do next:

  • Do Not Drive Extensively: Driving in limp mode can potentially cause more damage. Limit driving to getting it to a service center.
  • Check CVT Fluid (if accessible and you know the procedure): Some CVTs have a dipstick, others are sealed. If you can check, ensure it's at the correct level and doesn't appear burnt or excessively dark.

When to see a shop:

Given the P0700 code and the vehicle entering limp mode, it is highly recommended to have your Eclipse Cross towed to a Mitsubishi dealership or a reputable transmission specialist as soon as possible. A standard OBD-II scanner will only show P0700. A professional shop will have the diagnostic tools to communicate directly with the TCM and retrieve the specific fault codes (e.g., P07xx series codes) that pinpoint the exact nature of the transmission problem. Since your vehicle is a 2022 model with 30,000 miles, it is very likely still under the factory powertrain warranty, which typically covers major transmission components. Be sure to inquire about warranty coverage when you contact the dealership.

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