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2018 Pacifica Transmission Shifting Rough - Reliability Concerns?

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Kim L. · rep 0 · May 22, 5:59 AM · 1 replies · solved · Question

Vehicle: 2018 Chrysler Pacifica Touring L

Hey everyone,

I'm experiencing some really rough shifting in my 2018 Chrysler Pacifica Touring L, especially between 2nd and 3rd gear, and sometimes when downshifting. It feels like it's hesitating or clunking into gear.

This started happening around 60,000 miles. I'm worried about the long-term reliability of the transmission. Is this a common issue with the Pacifica?

Are there any known Technical Service Bulletins (TSBs) or recalls related to transmission problems for this model year? I'm trying to figure out if this is something I should be seriously concerned about or if it's a minor fix. Any advice or shared experiences would be greatly appreciated!

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 5:59 AM

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ClearTheCode admin answer:

  1. Initial Diagnosis: Rough shifting in your 2018 Chrysler Pacifica can stem from several issues. The first step is to have a qualified technician perform a diagnostic scan for any stored trouble codes, even if the check engine light isn't on. Codes like P0700 (Transmission Control System Malfunction) or specific gear ratio errors can point to the problem.

  2. Common Causes:

    • Software Glitch: Sometimes, the 9-speed ZF transmission in the Pacifica can benefit from a software update. These updates often address shifting logic and smoothness.
    • Transmission Fluid Issues: Low or degraded transmission fluid can cause rough shifts. While 'sealed for life' transmissions are common, fluid can still degrade or leak. A fluid level check and condition assessment are crucial.
    • Valve Body Problems: The valve body controls the flow of transmission fluid to engage gears. Malfunctions here can lead to erratic shifting.
    • Clutch Pack Wear: Less commonly at 60,000 miles, but excessive wear in specific clutch packs can cause hesitation or slipping.

  3. Technical Service Bulletins (TSBs): There have been TSBs related to the 9-speed transmission in earlier Pacifica models, often addressing software updates for shifting performance. It's worth checking with a Chrysler dealership if your VIN is covered by any active TSBs for transmission recalibration or component inspection.

  4. When to See a Shop: You should schedule an appointment with a reputable automotive shop specializing in transmissions or a Chrysler dealership as soon as possible. Ignoring rough shifting can lead to more severe and costly transmission damage. Be prepared to describe the exact conditions when the rough shifting occurs (e.g., cold engine, specific gears, acceleration/deceleration).

  5. What to Expect: The shop will likely start with a diagnostic scan, check transmission fluid, and potentially perform a road test to replicate the issue. They may recommend a software update, valve body replacement, or in more severe cases, a transmission overhaul or replacement. Early intervention can often prevent the need for a full replacement.

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