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2018 Camry rough shifting and hesitation, especially at low speeds

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Mike T. · rep 0 · May 25, 1:30 AM · 1 replies · solved · Question

Vehicle: 2018 Toyota Camry SE

My 2018 Toyota Camry SE, with about 75,000 miles, has started shifting really rough, especially from 1st to 2nd gear. Sometimes it hesitates pretty badly when accelerating from a stop, almost like it's confused about which gear to be in. It feels like the transmission is slipping or just not engaging smoothly.

I haven't seen any warning lights on the dash yet, but this behavior is concerning me. It's been happening more frequently over the last few weeks. Is this a known issue with this model year, or could it be a sign of a bigger problem? What should I be looking out for?

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 25, 1:30 AM

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ClearTheCode admin answer:

Rough shifting and hesitation in a 2018 Toyota Camry can be caused by several factors, ranging from minor issues to more significant transmission concerns. It's good that you're addressing it proactively.

  1. Check Transmission Fluid: Start by checking your transmission fluid level and condition. Low fluid, or fluid that is old and burnt, can lead to poor shifting. While many modern transmissions are 'sealed for life,' fluid degradation can still occur and affect performance. Consult your owner's manual for the correct procedure or have a shop do it.
  2. Transmission Software Updates: Modern transmissions rely heavily on software. Toyota may have released Technical Service Bulletins (TSBs) for transmission control module (TCM) software updates to address shifting complaints. A dealership can check for and apply these updates.
  3. Valve Body Issues: The valve body controls the flow of transmission fluid to engage gears. Issues with the solenoids or internal components of the valve body can cause erratic shifting. This often requires professional diagnosis.
  4. Clutch Pack Wear: While less common at 75k miles for a well-maintained vehicle, wear in the clutch packs within the transmission can lead to slipping and harsh shifts. This is a more serious issue requiring transmission repair or replacement.

When to See a Shop:

  • Immediately if you notice any warning lights (like a Check Engine Light), hear grinding noises, or experience complete loss of power.
  • If checking the fluid doesn't reveal an obvious issue, or if the problem persists after a software update, it's crucial to have a qualified transmission specialist or Toyota dealership diagnose the vehicle. They can perform a diagnostic scan for any pending or stored trouble codes (even if no light is on) and conduct a road test to pinpoint the exact cause. Early diagnosis can often prevent more costly repairs down the line.
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