2015 Toyota Camry - Shuddering During Acceleration - No Codes

Question

I have a 2015 Camry with about 110k miles. Under light acceleration, usually between 25 and 45 miles per hour, the whole car feels like it's driving over rumble strips for a split second. If I give it more gas, it goes away.

There are no check engine lights or stored codes. I've had the wheels balanced and an alignment done, but the vibration persists. It feels like it's coming from the drivetrain rather than the tires. It’s most noticeable when the car is cruising and I just barely tip into the throttle.

RustBeltRandy · Answer

✅ Confirmed fix: This is the torque converter shudder, which is very common on this generation of Camry. The torque converter clutch pulses instead of locking smoothly. Toyota released a software update and a TSB (T-SB-0034-14) for this. The fix is to perform a triple transmission fluid flush to remove degraded fluid and update the TCM software. In severe cases, the torque converter itself must be replaced.

RustBeltRandy · Answer

This sounds like a standard engine misfire under load. Even if no codes are present, you could have a weak ignition coil. Try inducing the failure and watching 'Mode $06' data on a scanner to see which cylinder is racking up counts.

2015 Toyota Camry - Shuddering During Acceleration - No Codes

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