Intrepid V6-3.5L VIN K (2003)
Technical Service Bulletin # 18-042-03
Date: 031128
Engine Controls - Rough Engine Idle on Cold Start-Up
NUMBER: 18-042-03
GROUP: Vehicle Performance
DATE: November 28, 2003
SUBJECT:
Flash - Rough Idle
THIS BULLETIN IS BEING PROVIDED IN ADVANCE. THE SOFTWARE WILL BE AVAILABLE ON TechCONNECT ON OR AFTER
DECEMBER 15, 2003.
OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software.
NOTE:
For some 2002 LH vehicles it may be necessary to replace the PCM, refer to the part table below.
MODELS:
2002 - 2004
(LH)
300M/Concorde/Intrepid/LHS (U.S. Market)
NOTE:
This bulletin applies to 2002 - 2004 LH vehicles equipped with a 3.5L engine.
NOTE:
This bulletin is complex, the entire bulletin must be read and understood before performing the flash/repair process.
SYMPTOM/CONDITION:
Vehicle will exhibit rough idle quality after a cold start in ambient temperatures range of between 4.4° C (40° F) and 29.4° C (85° F). The engine will
exhibit rough idle condition through several minutes during the engine warm up cycle. The engine will not exhibit rough idle quality when fully warm.
DIAGNOSIS:
Using a Scan Tool (DRBIII(R)) with the appropriate Diagnostic Procedures Manual, verify all other engine systems are functioning as designed. If DTCs
are present record them on the repair order and repair as necessary before proceeding further with this bulletin.
If the vehicle operator describes or the technician experiences the Symptom/Condition, perform the Repair Procedure.
PARTS REQUIRED:
