SOME OWNERS MAY COMMENT ON HARSH TRANSMISSION UPSHIFTS FROM FIRST TO SECOND GEAR OR HARSH TRANSMISSION UPSHIFTS IN ALL GEARS.
CONDITION MAY BE DUE TO SOFTWARE CALIBRATION THAT ALLOWS THE SHIFT ADAPTS TO MODIFY LINE PRESSURE AND MAINTAIN THE MAXIMUM ADAPTABLE LINE PRESSURE.
IF NORMAL DIAGNOSIS DOES NOT PROVIDE A CORRECTION, REPROGRAM THE PCM/VCM WITH THE APPROPRIATE CALIBRATION LISTED BELOW.
SERVICE INFORMATION - DO NOT ATTEMPT TO ORDER THE SOFTWARE/CALIBRATIONS FROM GMSPO. THEY ARE PROGRAMMED INTO THE VEHICLE'S PCM/VCM VIA A TECHLINE TOOL DEVICE.
NEW CALIBRATION VERSION BROADCAST CODE FILE NUMBER
16268055 1998 CD ROM DISC 6 CFXZ 16268065 1998 CD ROM DISC 6 CFYA 9353135 1998 CD ROM DISC 6 CKCJ 9353145 1998 CD ROM DISC 6 CKCK 9353165 1998 CD ROM DISC 6 CKCM 9352795 1998 CD ROM DISC 6 CJRY 9352805 1998 CD ROM DISC 6 CJRZ 9353195 1998 CD ROM DISC 6 CKCR 9353225 1998 CD ROM DISC 6 CKCS 9353255 1998 CD ROM DISC 6 CKCW 9353275 1998 CD ROM DISC 6 CKCY 9353285 1998 CD ROM DISC 6 CKCZ 9352265 1998 CD ROM DISC 6 CJDR 9353175 1998 CD ROM DISC 6 CKCN 9353185 1998 CD ROM DISC 6 CKCP 9353245 1998 CD ROM DISC 6 CKCU 9361785 1998 CD ROM DISC 6 CLTH 9353235 1998 CD ROM DISC 6 CKYT 9354995 1998 CD ROM DISC 6 CLDX 9355005 1998 CD ROM DISC 6 CLDY 9355015 1998 CD ROM DISC 6 CLDZ 9355045 1998 CD ROM DISC 6 CLFC 9355145 1998 CD ROM DISC 6 CLFR 9355055 1998 CD ROM DISC 6 CLFD 9355065 1998 CD ROM DISC 6 CLFF 9355075 1998 CD ROM DISC 6 CLFH 9355085 1998 CD ROM DISC 6 CLFJ 9355115 1998 CD ROM DISC 6 CLFM 9355125 1998 CD ROM DISC 6 CLFN
THE NEW CALIBRATIONS ARE AVAILABLE STARTING WITH THE CD ROM 1998 DISC 6 UPDATE.
FOR VEHICLES REPAIRED UNDER WARRANTY, USE:
LABOR OPERATION: J6355 ON-CAR
USE PUBLISHED LABOR OPERATION TIME.
FIGURES: 00 ATTACHMENTS: 00
GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.
COPYRIGHT 1998. GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.