Engine - Idle Roughness
NUMBER: 18-028-01GROUP: 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:
Engine Idle Roughness
OVERVIEW:
This bulletin involves reprogramming the Powertrain Control Module (PCM) with new software.
MODELS:
2001 (JR) Sebring Convertible/Sebring Sedan/Stratus
NOTE:
THIS INFORMATION APPLIES TO VEHICLES EQUIPPED WITH A 2.7L ENGINE (SALES CODE EES).
SYMPTOM/CONDITION:
^ Rough idle following a cold start. More prevalent in ambient temperatures of 10°C. to 21°C. (50°F. to 70°F.).
^ Engine speed flares or rough idle while slowing to a stop. May be attributed to an accessory load (power steering, A/C, or generator).
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:
REPAIR PROCEDURE:
1. Flash the PCM using the MDS2 (Mopar Diagnostic System) and DRB III(R) (Scan Tool).
NOTE:
THE FOLLOWING STEPS ARE REQUIRED BY LAW.
2. Type the necessary information on the "authorized Software Update Label" p/n 04669020 (Fig. 1). Attach the label to the PCM and cover the label with the clear plastic overlay. Type the necessary information on the "Authorized Modification Label" p/n 04275086 (Fig. 2) and attach the label near the VECI label.
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
FAILURE CODE: