1, 2 and 3 Digit Codes: 47

Name
Code No. 47, 48, 49 - Torque converter clutch solenoid

Description
If the resistance value of the torque converter clutch solenoid is high, there is an open circuit in the torque converter clutch solenoid and diagnostic trouble code No. 47 is output. If the resistance value is low, there is a short circuit in the torque converter clutch solenoid and diagnostic trouble code No. 48 is output. In addition, if torque converter clutch solenoid drive duty continues at 100% for 10 seconds or more,there is an abnormality in the torque converter clutch control system and diagnostic trouble code No.49 is output.

Probable cause
- Malfunction of torque converter clutch solenoid
- Malfunction of connector
- Malfunction of TCM





Diagnosis