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2020 Renegade 2.4L Transmission acting up, P0700 code

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David L. · rep 0 · May 22, 3:21 AM · 1 replies · solved · Question

Vehicle: 2020 Jeep Renegade Latitude

I own a 2020 Jeep Renegade Latitude, equipped with the 2.4L engine and the 9-speed automatic transmission. Recently, I've been experiencing some concerning issues with the transmission. It's been shifting really hard, especially noticeable when going from 1st to 2nd gear, and sometimes it feels like it's slipping or hesitating.

To make matters worse, the Check Engine Light is on, and when I scanned it, I pulled a P0700 code. I understand that P0700 is a generic code indicating a fault within the Transmission Control System, which means there are more specific transmission codes stored in the TCM.

What's the typical next step for diagnosing this on a Renegade? Is this a common problem with the 9-speed automatic transmission in these vehicles? I'm quite worried about the potential for a costly transmission repair.

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 3:21 AM

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ClearTheCode admin answer: The P0700 code on your 2020 Jeep Renegade indicates that the Powertrain Control Module (PCM) has detected a fault within the Transmission Control Module (TCM) and has illuminated the Check Engine Light. This code is a general indicator, and more specific transmission-related codes are stored directly in the TCM.

Here's what to do:

  1. Retrieve TCM Codes: The first and most crucial step is to get a more advanced scan tool (not just a basic OBD-II reader) that can communicate with the TCM and retrieve the specific 'P' codes stored there. These codes (e.g., P07xx, P08xx) will pinpoint the exact nature of the transmission fault.
  2. Check Transmission Fluid Level and Condition: While the 9-speed transmission is a sealed unit, it's possible to check the fluid level and condition (though it requires a specific procedure and temperature). Low or degraded fluid can cause shifting issues. This should ideally be done by a professional.
  3. Software Updates: The 9-speed automatic transmission (ZF 9HP) used in many FCA vehicles, including the Renegade, has been known to have software-related shifting issues. Check with a Jeep dealership if there are any outstanding Transmission Control Module (TCM) software updates or Technical Service Bulletins (TSBs) for your specific model year and VIN. These updates often resolve harsh shifting or hesitation problems.
  4. Valve Body Issues: In some cases, issues with the transmission valve body (which directs fluid pressure to engage gears) can cause hard shifts or slipping. This is a more involved repair.
  5. Internal Transmission Wear: While less common on a 2020 model, severe slipping could indicate internal wear, but this is usually accompanied by more specific codes.

When to See a Shop: Given the P0700 code and the noticeable shifting problems, it's highly recommended to take your Renegade to a qualified transmission specialist or a Jeep dealership as soon as possible. They have the necessary diagnostic equipment to read the specific TCM codes, perform proper fluid level checks, and determine if a software update, valve body replacement, or more extensive transmission repair is needed. Driving with significant transmission issues can lead to further, more costly damage.

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