Neon L4-2.0L VIN F HO (2003)
PROM - Programmable Read Only Memory: Customer Interest
Engine Controls - Hard Start/Idle Fluctuation/RPM Sag
NUMBER: 18-024-05
GROUP: Vehicle Performance
DATE: May 17, 2005
THE DRBIII(R) FLASH FILES FOR THIS BULLETIN ARE AVAILABLE ON DealerCONNECT.
FOR MARKETS OUTSIDE OF THE UNITED STATES AND CANADA, THE FLASH FILES AND REPROGRAMMING INSTRUCTIONS WILL
BE AVAILABLE ON ITIL/ISIS DVD JULY, 2005.
SUBJECT:
Flash: Driveability Improvements
OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software.
MODELS:
2003
(PL)
Neon
2003
(PT)
PT Cruiser
2003
(RS)
Town & Country/Caravan/Voyager
2003
(RG)
Chrysler Voyager
This bulletin applies to:
^
PL vehicles equipped with a 2.0L engine (sales code ECB or ECH).
^
PT vehicles equipped with a 2.0L or 2.4L engine (sales code ECC or EDZ).
^
RS vehicles equipped with a 2.4L engine (sales code EDZ).
^
RG vehicles equipped with a 2.4L engine (sales code EDZ).
SYMPTOM/CONDITION:
All Vehicles
The vehicle operator may experience idle fluctuation.
PL Vehicles with a 2.0L Engine (sales codes ECH) or a 2.0L engine and manual transmission (sales code ECB and DD5 or DDR)
The vehicle operator may experience one or more of the following:
^
Hard start at temperatures between 9° (48.2° F) and 65° C (149° F).
^
RPM bump while driving when the A/C is turned on.
^
RPM sag on throttle tip-in or tip-out.
DIAGNOSIS:
Using a Scan Tool (DRBIII(R)) with the appropriate diagnostic procedures on TechCONNECT, verify all 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 customer describes the Symptom/Condition is present, perform the Repair Procedure.