SW1 L4-1.9L SOHC VIN 8 (1996)
Torque Converter Clutch: Customer Interest
MIL ON - DTC P0741, TCC Actuator
BULLETIN NO.: 96-T-61
ISSUE DATE: November, 1996
GROUP/SEQ. NO.: Transaxle-10
CORPORATION NO.: 687108
SUBJECT:
MIL (SERVICE ENGINE SOON Lamp) On with Only DTC P0741 in PCM Memory (Replace TCC Actuator or Input Shaft Converter O - Ring Seal)
MODELS AFFECTED:
1996-1997 Saturns equipped with MP6/MP7 automatic transaxles
CONDITION:
The malfunction indicator lamp (MIL) (SERVICE ENGINE SOON telltale lamp) On with only DTC P0741 (Transaxle TCC Actuator - No TCC) in
PCM memory. This condition frequently occurs at low mileage (less than 1600 km [1000 miles]).
CAUSE:
This condition may be caused by a malfunctioning TCC actuator or a damaged input shaft converter O-ring seal.
CORRECTION:
When diagnosing DTC P0741, refer to the following procedure.
PROCEDURE
1.
Connect scan tool and retrieve diagnostic trouble code(s).
^
If DTCs other than DTC P0741 are present, refer to the diagnostic chart for DTCs retrieved in the appropriate year "Automatic Transaxle
Service Manual."
^
If only DTC PO741 is present, proceed to next step.
2.
Perform an actuator quick check to verify proper TCC actuator operation. (Refer to appropriate year "Automatic Transaxle Service Manual" for
actuator quick check procedure.)
^
If TCC actuator is stuck/no tone, or muffled/low tone, replace TCC actuator and/or check for terminal tightness.
^
If TCC actuator functions properly, remove the transaxle from the vehicle according to procedures in the appropriate year 'Automatic
Transaxle Service Manual," and proceed to next step.
