RAM 1500 Truck 4WD V8-4.7L VIN N (2003)

Catalytic Converter: All Technical Service Bulletins
Engine Controls - ECM Update For Catalyst Monitor
NUMBER: 18-032-10
GROUP: Vehicle Performance
DATE: December 10, 2010
THIS BULLETIN SUPERSEDES SERVICE BULLETIN 18-022-09, DATED JULY 31, 2009 WHICH SHOULD BE REMOVED FROM YOUR
FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDE THE ADDITION OF NAS EMISSION CODE FOR 2003
AN VEHICLES.
WHENEVER A MODULE IS REPROGRAMMED, THE SOFTWARE IN THE DRBIII(R); MUST BE PROGRAMMED WITH THE LATEST
REVISION LEVEL AVAILABLE.
SUBJECT:
Flash: PCM To Allow The Generic Scan Tool To Properly Report Catalyst Monitor
OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software.
MODELS:
2003
(DN)
Durango
2003
(DR)
Ram Truck
2003
(AN)
Dakota
NOTE:
This bulletin applies to DN or DR vehicles equipped with a 4.7L engine (sales code EVA) and California Emissions (sales code NAE).
NOTE:
This bulletin applies to AN vehicles equipped with a 4.7L engine (sales code EVA) and California emissions or U.S 50 State Emissions (sales code
NAE **or NAS**).
SYMPTOM/CONDITION:
The Customer may be rejected or failed at an I/M Test Station because the Generic Scan Tool does not show Catalyst Monitor as "supported".
Flashing the PCM will allow the Generic Scan Tool to properly report that the Catalyst Monitor is a supported monitor on these packages.
DIAGNOSIS:
Using a Scan Tool (DRBIII(R)) with the appropriate Diagnostic Procedures available in 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 vehicle operator describes or experiences the Symptom/Condition, perform the Repair Procedure.
PARTS REQUIRED: