The Toyota Corolla was equipped with the A245E transmission in earlier models. First introduced in 1966, the Toyota Corolla was a no-frills transportation device that was as reliable as death & taxes. In the half-century that followed, over 40 million people bought a Corolla, making it one of the best selling cars of all time. The current Corolla is considerably larger than the original, but it packs more features than the finest luxury car of 1966. It’s also a lot safer, thanks to 8 standard airbags, a high-strength steel body structure, and Toyota’s Star Safety System. A new CVT transmission is also being offered in the E170 Corolla, and they say it’s the most advanced gear-less gearbox to date. Dubbed CVTi-S (Continuously Variable Transmission intelligent-shift), it comes with an ATF warmer to bring the transmission up to temperature faster, reducing harsh operation after a cold start. The transmission pump has also been carefully thought out, and now provides the optimum amount of fluid pressure to avoid drive belt slippage, while using 25% less torque to operate. But on a more interesting note, Toyota gave the new CVTi-S a Sport Mode which creates 7 simulated shift points as you accelerate. A manual gate allows you to change the imaginary gears yourself, and the sporty Corolla S even gets paddle shifters to do the deed. Does something seem wrong with your Corolla? Let’s look at some of the most common Toyota Corolla transmission problems, and see what you can do to get your car back on the road.
What Transmission Do I Have?
Toyota Corolla Transmission Models
Toyota Corolla: A245E Transmission
Toyota Corolla: CVT transmission
Toyota Corolla Transmission Replacement Cost Estimate
Pricing varies by model. To be 100% sure on pricing, have your VIN# handy and use our Get An Estimate feature to look up your transmission by VIN#.
What are the DTC codes related to Toyota Corolla transmission problems?
| Trouble Code | Description |
|---|---|
| P0724 | Torque Converter/Brake Switch B Circuit High |
| P0741 | Torque Converter Clutch Circuit |
| P0751 | Shift Solenoid 'A' Performance or Stuck Off |
| P0756 | Shift Solenoid 'B' Performance or Stuck Off |
| P0973 | Shift Solenoid A Control Circuit Low |
| P0974 | Shift Solenoid A Control Circuit High |
| P0976 | Shift Solenoid B Control Circuit Low |
| P0977 | Shift Solenoid B Control Circuit High |
| P2715 | Pressure Control Solenoid D Stuck On |
| P2716 | Pressure Control Solenoid D Electrical |
| P2769 | Torque Converter Clutch Circuit Low |
| P2770 | Torque Converter Clutch Circuit High |
Common Toyota Corolla Transmission Problems
Lack of Response
Leaking Fluid
Low Fluid
Burning Smell
Grinding or Shaking
Whining, Clunking or Humming
Refuses to Go Into Gear
Torque Converter Issues
Valve Body Issues
Transmission Noisy in Neutral
Gears Slipping
No 3rd or 4th Gear
No 1st or 2nd Gear
No Reverse
Dragging Clutch
Trouble Codes / Check Engine Light
Toyota Corolla Transmission Recalls
No transmission-related recalls.
Toyota Corolla Technical Service Bulletins (TSB)
TSB TC015-07 – Harsh shifting with a P2715 DTC
2005 – 2007 Toyota Corolla – 2005 – 2007 Toyota Matrix
Problem – Some drivers can experience unusually harsh gear changes, accompanied by a P2715 diagnostic trouble code.
Solution – A revised ECU will need to be installed.
TSB TC012-05 – ‘Whistle’ or ‘hoot’ sound coming from the transmission – A245E / A246E transmission
2003 – 2006 Toyota Corolla
Problem – Vehicles equipped with the Toyota 1ZZ-FE engine may experience an unusual whistle or ‘hoot’ sound coming from the transmission while the vehicle is accelerating between 35 – 40 mph.
Solution – Redesigned transmission cooler lines will need to be installed.
What Transmission Do I Have?
How to Diagnose & Fix
- Check the OBD Codes
- Check the fluid level
- Test transmission pressure
- Drop the transmission pan
- Repair, replace or rebuild
What to Read Next
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