03-123
3110-00
9) Torque Converter Control
The torque converter lock-up clutch is engaged and released via the hydraulic control system.
Pressure at the torque converter lock-up clutch piston is determined by an electronic variable
bleed solenoid (VBS). During operation, the TCU evaluates torque converter slip speed and
compares this against what is expected. If torque converter slip is not within predefined
parameters, a DTC will set to indicate a torque converter lock-up problem.
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DTC Description
DSI M78 6-SPEED A/T
KYRON 2010.01