RAM 2500 Truck 4WD V8-5.7L VIN D (2005)
PROM - Programmable Read Only Memory: All Technical Service Bulletins
Engine Controls - MIL ON/DTC's P0430/P0420 Set
NUMBER: 18-028-05 REV. A
GROUP: Vehicle Performance
DATE: July 20, 2005
THIS BULLETIN REVISES SERVICE BULLETIN 18-028-05, DATED JUNE 14, 2005 WHICH SHOULD BE REMOVED FROM YOUR FILES.
THIS REVISIONS ADDS A NEW PART NUMBER FOR AN OXYGEN SENSOR OMITTED FROM THE ORIGINAL BULLETIN. 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
AUGUST, 2005.
SUBJECT:
Flash: Diagnostic Trouble Code P0430, P0420 - Catalyst Efficiency
OVERVIEW:
This bulletin involves reprogramming the Powertrain Control Module (PCM) and replacing the downstream oxygen sensor.
MODELS:
2005
(DR/DH) Ram Truck
NOTE:
This Bulletin Applies To Vehicle Equipped With 5.7L engines (Sales Code EZA) built on or before June 1, 2005 (MDH 0601XX).
SYMPTOM/CONDITION:
Customers may experience a MIL light with Diagnostic Trouble Code (DTC) - P0430 or P0420 - Catalyst Efficiency.
DIAGNOSIS:
If the DTC is present, perform the Repair Procedure.
PARTS REQUIRED
SPECIAL TOOLS/EQUIPMENT REQUIRE
NOTE:
An updated J1962 cable has been released. This cable has a red colored connector at the DRBIII(R) connection. Use this cable whenever a flash is
being performed.
REPAIR PROCEDURE:
Using the procedure outlined on TeChCONNECT, remove the down stream oxygen sensor and install the appropriate part number listed above.