Voyager L4-2.4L VIN B (2001)
PROM - Programmable Read Only Memory: Customer Interest
Engine - Moderate To Severe Highway Speed Surge
NUMBER: 18-027-01
GROUP: Vehicle Performance
DATE: Nov. 23, 2001
THIS BULLETIN IS BEING PROVIDED IN ADVANCE. DO NOT PERFORM ANY ACTIONS RELATED TO THIS BULLETIN UNTIL
DECEMBER 10, 2001. THE MDS2 MUST BE OPERATING WITH CIS CD2097 OR HIGHER.
SUBJECT:
Highway Speed Surge
OVERVIEW:
This bulletin involves reprogramming the Powertrain Control Module (PCM) with new software.
MODELS:
2001-2002
(JR)
Sebring Sedan/Stratus Sedan/Sebring Convertible
2001-2002
(PT)
PT Cruiser
2001-2002
(RS)
Caravan/Voyager
2001-2002
(RG)
Chrysler Voyager (International Markets)
NOTE:
THIS BULLETIN APPLIES TO VEHICLES WITH A 2.4L ENGINE.
SYMPTOM/CONDITION:
Moderate to severe highway speed 72-97 kph (45-60 mph) vehicle surge.
More prevalent on smooth flat roads or roads with a slight grade in warmer ambient temperatures above 24° C. ( 75° F).
NOTE:
THIS PCM SOFTWARE UPDATE WILL PROVIDE A SURGE IMPROVEMENT FOR THOSE VEHICLES EXHIBITING A MODERATE TO
SEVERE SURGE. THE IMPROVEMENT MAY BE NEGLIGIBLE FOR THOSE VEHICLES EXHIBITING A LIGHT SURGE.
DIAGNOSIS:
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
the condition(s) can be duplicated or are described by the customer, perform the Repair Procedure.
PARTS REQUIRED:
EQUIPMENT REQUIRED: