2012–2014 Toyota Camry: Shudder at 25–50 mph (torque converter)
Likely causes, ranked
- Torque converter flex lock-up shudder (ECM update; converter replaced if needed)Shop
Real-owner fix counts will appear here as reports come in.
DIY or shop: See DIY or shop section
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Symptom: A shudder like driving over rumble strips at light throttle between about 25 and 50 mph.
Likely causes
- Torque converter lock-up. Toyota's bulletin and service campaign reprogram the engine computer and replace the converter if needed.
DIY or shop?
Dealer.
Useful steps
- Ask for the bulletin.
- Check for any remaining coverage.
Vehicle focus: 2012–2014 Toyota Camry.
Safety / mechanic note
Mostly a drivability issue.
Related trouble codes
Recalls & service bulletins
Technical service bulletins
- Toyota torque converter shudder bulletin 2012–2014 Camry shudder at light throttle around 25–50 mph: ECM software update, plus torque converter and ATF service if needed. Details
NHTSA complaints: 195 keyword-matched complaints (of 958 unique complaints filed under NHTSA model names CAMRY, 2012–2014; NHTSA complaints API by model year, queried 2026-10-15).
Always check your VIN for open recalls at nhtsa.gov/recalls.
Sources
What actually fixed it?
Had this problem? Tell other owners what the real fix was. Reports are counted above; we never show made-up numbers.