RAM 3500 HD Truck 2WD L6-6.7L DSL Turbo (2008)
Engine Control Module: All Technical Service Bulletins
Engine Controls - Engine Systems/Exhaust Enhancements
NUMBER: 18-020-10
GROUP: Vehicle Performance
DATE: June 10, 2010
THIS BULLETIN SUPERSEDES SERVICE BULLETIN 18-038-06, DATED DECEMBER 05, 2006 AND 18-001-09, DATED JANUARY 21, 2009,
WHICH SHOULD BE REMOVED FROM YOUR FILES. THIS IS A COMPLETE REVISION AND NO ASTERISKS HAVE BEEN USED TO
HIGHLIGHT REVISIONS.
Either wiTECH OR StarMOBILE DESKTOP CLIENT can be used to perform this bulletin. FLASH FILES FOR THIS BULLETIN ARE AVAILABLE
VIA THE INTERNET.
WiTECH(R) SOFTWARE LEVEL MUST BE AT RELEASE 10.04 OR HIGHER. StarMOBILE® SOFTWARE LEVEL MUST BE AT RELEASE
10.02 OR HIGHER.
SUBJECT:
FLASH: Engine Systems And Exhaust Aftertreatment Systems Enhancements
OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Engine Control Module (ECM) with new software.
It is recommended to discuss with the customer any required necessary maintenance as suggested in the owners manual. Inform the customer the
importance of properly maintaining their vehicle. Possible required maintenance items may include (not limited to) lube, oil change and filter service, air
filter replacement, fuel filter replacement, and crankcase ventilation filter replacement based on customer use and mileage accumulation.
This bulletin involves:
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Selectively erasing and reprogramming the Engine Control Module (PCM), 2007 - 2010 MY.
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Selectively erasing and reprogramming the Cab Compartment Node (CCN), 2007 & 2008 MY.
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If CCN is updated; provide a Customer Information Sheet explaining the overhead display messages.
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One of several software changes allows for "Net Zero" and "Net Reduction" which will cause noticeable changes in idle speeds. Customers should be
informed of these changes. They are explained in DISCUSSION,
Improvements that address erroneous MIL illumination for DTC P0106, P0191, P2262 and P2299 DTC's, (spelled out in DISCUSSION below).
CUSTOMER INFORMATION SHEET INCLUDED:
Please print the last page of this bulletin for customer reference.
MODELS:
2007 - 2010
(DC)
Ram Truck (3500 Cab Chassis)
2008 - 2010
(DM)
Ram Truck (4500/5500 Cab Chassis)
NOTE:
This bulletin applies to vehicles equipped with a Cummins 6.7L engine (sales code ETJ).
NOTE:
For some 2007 MY vehicles, the ECM flash is addressed in Recall K01, Dated May, 2010. Where applicable. please use the Recall to update the
ECM and this bulletin to update the CCN software.
DISCUSSION:
Cab chassis trucks equipped with a 6.7L Cummins diesel have a number of software improvements available. This latest Service Bulletin (SB) will
include improvements to prevent erroneous Malfunction Indicator Lamp (MIL) illumination:
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P000F - Fuel System Over Pressure Relief Valve Activated
