Vision V6-3.5L VIN F (1997)
Control Module: Customer Interest
Engine - Light Surge Between 42 & 50 MPH
NO: 18-15-98
GROUP: Vehicle Performance
DATE: Mar. 27, 1998
SUBJECT:
Light Surge Between 42 And 50 Miles Per Hour
MODELS:
1996-1997 (LH) Intrepid/Concorde/LHS/New Yorker
NOTE:
THIS INFORMATION APPLIES TO VEHICLES EQUIPPED WITH A 3.5L ENGINE.
SYMPTOM/CONDITION:
A light surge may be experienced between 42 and 50 miles per hour after/during electronically modulated clutch control (EMCC) operation. Generally,
this condition is only noticed on very smooth roads.
DIAGNOSIS:
Using the Mopar Diagnostic System (MDS) or the Diagnostic Scan Tool (DRB III (R)) with the appropriate Diagnostic Procedures Manual, verify all
engine/transmission systems are functioning as designed. If Diagnostic Trouble Codes (DTC's) are present, record them on the repair order and repair as
necessary before proceeding further with this bulletin. If no DTC's are present, perform the Repair Procedure.
NOTE:
WHENEVER A POWERTRAIN (PCM) OR TRANSMISSION (TCM) CONTROL MODULE IS REPLACED DUE TO FAILURE, THE
SOFTWARE OF THE REPLACEMENT CONTROLLER SHOULD BE VERIFIED FOR THE LATEST REVISION LEVEL. USE THE FLASH
PROCEDURE TO UPDATE REPLACED CONTROLLERS AS NECESSARY.
EQUIPMENT/PARTS REQUIRED:
1
CH6000
Scan Tool (DRB III)(R)
1
CH7035
General Purpose Interface Bus Cable (GPIB)
1
CH7000/7001
J1962 Cable
2
04669020
Label - Authorized Software Update
1
04275086
Label - Authorized Modification
NOTE:
THE MDS AND DRB III(R) ARE REQUIRED TO PERFORM THIS REPAIR AND THE SYSTEM MUST BE OPERATING WITH RELEASE
21 OR HIGHER AND TIL CD RELEASE 1155 OR HIGHER MUST BE INSTALLED.
REPAIR PROCEDURE:
This bulletin involves selectively erasing and reprogramming the Powertrain (PCM) and Transmission (TCM) Control Modules with new software
(calibration changes).
NOTE:
THE PCM AND TCM WILL REQUIRE A FLASH UPDATE TO CORRECT THIS CONDITION. THE INFORMATION THAT PERTAINS TO
THE TCM FLASH IS REFERENCED IN TECHNICAL SERVICE BULLETIN 21-02-98.
1.
Connect the MDS (Mopar Diagnostic System) and DRB III(R) (Scan Tool) to the vehicle and power them up.
2.
Use the arrow keys and select # 2 MDS DIAGNOSTICS on the DRB III(R) MAIN MENU Screen.
3.
Use the arrow keys and select DIAGNOSTIC MENU on the MDS, then press NEXT MENU.
4.
Use the arrow keys and select VEHICLE CONTROLLER PROGRAMMING on the MDS, then press NEXT MENU.
5.
Use the arrow keys and select PROGRAMMING OF ALL OTHER CONTROLLERS USING MDS & DRB III(R) on the MDS, then press NEXT
MENU.
