Calais L4-138 2.3L VIN A FI HP (1989)
Memory Calibration Unit: Customer Interest
Engine - Chuggle Between Speeds of 28 - 37 MPH
NUMBER:90-T-194
CORP.REF.NO: 076503
DATE: January 1991
SECTION: 6E3
SUBJECT
CHUGGLE AT LOW SPEED (28-37 MPH)/INACCURATE DRIVER INFO SYSTEM MILEAGE-NEW MEM-CAL
MODELS/YEARS
89-90 CUTLASS CALAIS W/2.3L (VIN N) ENGINE AND 3T40 TRANSAXLE
If concerns about chuggle between speeds of 28 - 37 mph are received and thorough diagnosis of the engine control system does not resolve the concern,
you may need to install a revised Mem-Cal.
A condition of inaccurate fuel economy, on vehicles equipped with the Driver Information System (DIS) option may also be corrected by the installation
of one of these Mem-Cals.
PARTS INFORMATION:
Part
Scan
Broadcast
Model
Transaxle
Emissions
Number
I.D.
Code
1989
Auto
Federal
16156388
6353
AWNB
1989
Auto
California
16156393
6363
AWNC
1990
Auto
Federal
16156310
5993
AWLU
1990
Auto
California
16156315
6003
AWLW
These Mem-Cals raise the TCC engagement speed to 37 mph and reduce the throttle position, crowd release of TCC. However, vehicle fuel economy
may be affected. Be sure to advise the owner of this.
NOTICE:
This Mem-Cal is intended to be used on a as needed basis. The part number will be in GMSPO but as a field fix only. This will not be
published in the GMSPO catalog.
Parts are currently available from GMSPO.
WARRANTY INFORMATION:
Labor Operation Number:
T0500
Labor Time:
0.4 hour
Trouble Code:
92