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2018 Camry SE: Harsh Shifting and Hesitation

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Kevin B. · rep 0 · May 22, 2:15 AM · 1 replies · solved · Question

Vehicle: 2018 Toyota Camry SE

Hey everyone,

I've got a 2018 Toyota Camry SE with about 75,000 miles on it, and I've started noticing some really harsh shifting lately. It's most noticeable when going from 2nd to 3rd gear, but sometimes it feels like the transmission hesitates before engaging a gear, especially when accelerating from a stop.

There's no check engine light on, but the car just doesn't feel as smooth as it used to. I'm worried about potential transmission problems. Has anyone else experienced this with their Camry of a similar year? What could be causing this, and what should I look into first?

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 2:15 AM

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ClearTheCode admin answer:

Harsh shifting and hesitation in a 2018 Toyota Camry SE can be concerning, but there are several potential causes, some less severe than others. Here's a breakdown of what might be happening and what steps you should take:

  1. Check Transmission Fluid Level and Condition:

    • Action: This is the first and easiest step. Consult your owner's manual for the correct procedure to check your transmission fluid. Ensure it's at the proper level and examine its color and smell. Healthy fluid is typically reddish and doesn't smell burnt. Dark, murky, or burnt-smelling fluid indicates a problem.
    • Cause: Low fluid can cause pressure issues, leading to harsh shifts. Contaminated or degraded fluid loses its lubricating and hydraulic properties.

  2. Software Updates:

    • Action: Toyota often releases software updates for transmission control modules (TCMs) to address shifting anomalies. A dealership can check if your vehicle has any outstanding updates.
    • Cause: Minor glitches or unoptimized shift logic can sometimes be resolved with a software reflash.

  3. Transmission Solenoids:

    • Action: If fluid and software are ruled out, a failing shift solenoid could be the culprit. These electronic components control the flow of transmission fluid to engage gears. Diagnosis typically requires specialized equipment at a shop.
    • Cause: A stuck or failing solenoid can prevent proper gear engagement or disengagement, leading to harsh shifts or delays.

  4. Valve Body Issues:

    • Action: The valve body is the hydraulic control center of the transmission. Problems here are more complex and require professional diagnosis and repair.
    • Cause: Wear or blockages in the valve body can disrupt fluid pressure and flow, affecting shift quality.

When to See a Shop:

  • Immediately: If the problem worsens, you hear grinding noises, or a check engine light (potentially with codes like P0700 - Transmission Control System Malfunction) illuminates.
  • Soon: If checking the fluid doesn't resolve the issue, or if the fluid appears burnt or very dark. A professional diagnosis is crucial to prevent further damage. Ignoring transmission issues can lead to costly repairs or even replacement.
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