Table 1 shows one common power train related problems of the 2012 Toyota Corolla.
| Problem Category | Number of Problems |
|---|---|
| Power Train problems |
Corrosion to the automatic transmission oil cooler hose occurred in the metal pipe portion of the cooler line, specifically the top line, (not sure if that's �in� or �out�) causing a leak in atf. Not only that, but corrosion to both bolts that hold this line in place and caused the bolts to snap when trying to replace this line.
Power control valve gets stuck closed check engine light and track light comes on this has been a problem when I got the call new it has 30 times t cant use my cruz control after 50 miles it is reset itself all goes back to normal or I put a scan tool on and reset it.
The contact owns a 2012 Toyota Corolla. The contact stated when she tried to drive in reverse, the parking gear failed. The vehicle was not taken to an dealer for diagnostic testing because she was unable drive the vehicle. The manufacturer was made aware of the failure. The VIN was not available. The approximate failure mileage was 37,000.
The contact owns a 2012 Toyota Corolla. The contact stated that while stopped at a stop light, he depressed the accelerator pedal but the vehicle would not accelerate. The vehicle was taken to the dealer for diagnosis. The technician was unable to diagnose the failure. The manufacturer was not made aware of the failure. The vehicle was repaired. The approximate failure mileage was 10,000.
While making a left hand turn off of a busy street, the car slowed to an unsafe speed and was dangerously slow to accelerate. This has happened several times since then with the most recent on February 11, 2014. Toyota maintains there is nothing wrong because it happens at intermittent times and can't be duplicated in the four times it has been taken in.