The torque converter clutch (TCC) inside the torque converter, also referred
to as the "damper clutch" or "lockup clutch", functions to lock the input and
output sections of the torque converter together to provide improved fuel
If you are servicing a transaxle with either of the following conditions,
follow the repair procedure shown below:
Torque converter clutch does not engage when driving at steady speed on the
Engine stalls when coming to a stop or when shifting into Drive or Reverse
Check the ATF level when the engine is idling in "N" according to TSB
01-40-013. Adjust the ATF level as needed.
Attach the Hi-Scan Pro and check for Diagnostic Trouble Codes (DTC) in both
the "ENGINE" and "AUTOMATIC TRANSAXLE" menus. If the DTC shown are found, follow
the repair procedure shown. If no DTC are found, go to Step 3.
Using the Hi-Scan Pro, select "HYUNDAI VEHICLE DIAGNOSIS", "AUTOMATIC
TRANSAXLE" and "CURRENT DATA" menus, then "OIL TEMPERATURE" or "FLUID
TEMPERATURE". Confirm the oil temperature readout is correct as shown. If not,
replace the oil temperature sensor.
Using the Hi-Scan Pro, select:
"HYUNDAI VEHICLE DIAGNOSIS" menu
"AUTOMATIC TRANSAXLE" menu
"CURRENT DATA" menu
THROTTLE P. SENSOR, "TCC SOLENOID DUTY", "TCC SLIP" and "OIL TEMPERATURE"
F2 - "SCRN". This will isolate the top four data to allow a quicker refresh
rate for the data.
Check the TCC data under the conditions shown in the table. If the TCC data
indicate as shown, the torque converter and damper clutch are operating
correctly. If not, go to Step 5.
If the TCC data does not indicate as shown or the engine stalls, follow the
repair procedure shown.
If the engine stalls when shifting into Reverse or Drive, the oil cooler may
be restricted. Disconnect the oil cooler hoses to the oil cooler in the
radiator. Bypass the oil cooler as shown. It the condition:
Does not recur, replace the radiatorRecommend finding a certified Transmission mechanic if you are unable to complete these test using a scanner.