Transmission Control System
NameCode No. 43, 44, 84 - Shift control solenoid valve B (SCSV-B) system
Description
If the resistance value of shift control solenoid valve B is high, there is an open circuit in shift control solenoid valve B and diagnostic trouble code No. 43 is output. If the resistance value is low, there is a short circuit in shift control solenoid valve B and diagnostic trouble code No. 44 is output. In addition, if diagnostic trouble code No. 43 or 44 is output 4 times, there is an open or short circuit in shift control solenoid valve B, fail-safe code No. 84 is output and the vehicle is locked in 3rd gear (D) as a fall-safe measure.
Probable cause
- Malfunction of shift control solenoid valve B
- Malfunction of connector
- Malfunction of TCM
Diagnosis