Neon R/T L4-2.0L VIN F HO (2001)
PROM - Programmable Read Only Memory: Customer Interest
Engine - Tip In Hesitation
NUMBER: 18-020-00
GROUP: Vehicle Performance
DATE: Oct. 6, 2000
SUBJECT:
Tip In Hesitation Caused By High DI Fuel
OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software.
MODELS:
2001
(PL)
Neon
NOTE:
THIS INFORMATION APPLIES TO VEHICLES EQUIPPED WITH AN AUTOMATIC TRANSAXLE BUILT PRIOR TO SEPT. 26, 2000
(MDH0926XX).
SYMPTOM/CONDITION:
Some vehicles may exhibit a cold start tip in hesitation when accelerating from a stop in ambient temperatures between 10° and 27°C (50° and 80°F).
This condition will disappear in approximately 45 seconds after the start. See TSB 14-08-97 dated Nov. 21, 1997 for a detailed explanation of high DI
fuel.
DIAGNOSIS:
Using the Mopar Diagnostic System (MDS2) and or the Diagnostic Scan Tool (DRB III(R)) with the appropriate Diagnostic Procedures, verify all
engine/transmission systems are functioning as designed. If other Diagnostic Trouble Codes (DTC's) are present, record them on the repair order and
repair as necessary before proceeding further with this bulletin. If the condition(s) can be duplicated or is described by the customer, perform the Repair
Procedure.
NOTE:
WHENEVER A POWERTRAIN CONTROL MODULE (PCM) IS REPLACED, THE SOFTWARE OF THE REPLACEMENT CONTROLLER
MUST BE VERIFIED FOR THE LATEST REVISION LEVEL. USE THE FLASH PROCEDURE TO UPDATE REPLACED CONTROLLERS
AS NECESSARY.
PARTS REQUIRED:
EQUIPMENT REQUIRED:
NOTE:
THE MDS2 AND DRB III(R) ARE REQUIRED TO PERFORM PART OF THIS REPAIR. THE MDS2 SYSTEM MUST BE OPERATING WITH
CIS CD2069 OR HIGHER.
REPAIR PROCEDURE:
1.
Log onto the MDS2 System.
2.
Connect the MDS2 (Mopar Diagnostic System) and DRB III(R) (Scan Tool) to the vehicle and switch the ignition to "ON".
