No. 12 Torque Converter Clutch (TCC) Non-Operation: Notes
WARNING: This page is about a different variant/trim than selected.
DESCRIPTION AND POSSIBLE CAUSE
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Torque converter clutch (TCC) non-operation |
| DESCRIPTION |
- TCC does not operate when vehicle reaches TCC operation range.
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| POSSIBLE CAUSE |
- Basically the TCC does not operate when the fail-safe is operating. Verify the DTC fast.
CAUTION:
- If the TCC is stuck, inspect it. In addition, inspect the oil cooler for foreign particles which may have mixed in with the ATF.
- TCC burnt
- Input sensor system malfunction
- TFT sensor
- VSS
- Input/turbine speed sensor
- Sensor GND
- Output solenoid valve system malfunction (Sticking)
- Shift solenoid E malfunction
- Shift solenoid A malfunction
- Control valve body malfunction system (Poor operation, stuck)
- TCC hydraulic pressure system
- APP sensor malfunction (Not operating linear)
- CKP sensor malfunction
- Input/turbine speed sensor or vehicle speed sensor malfunction
- Brake switch malfunction (Always ON)
- ECT sensor malfunction
- Excessive amount of ATF
NOTE:
- Before following the troubleshooting steps, make sure that the Automatic Transaxle On-Board Diagnostic and Automatic Transaxle Basic Inspection are conducted.
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