TSB 18-041-05: Engine Performance/White Smoke

[DOF Info]

Date: December 20, 2005   

Models: 2006 DH/D1 Ram Truck Heavy Duty

NOTE: This bulletin applies to Ram trucks equipped with the 5.9L Cummins 24-valve diesel engine (sales code ETH) built on or after June 9, 2005 through and including November 8, 2005 (MDH 0609XX and 1108XX).

Overview:
This bulletin involves programming the PCM (Cummins) with new software.

Symptom/Condition:
The vehicle operator may experience one or more of the following after the Repair Procedure is performed:

    * Reduced white smoke and improved engine performance after a cold start at ambient temperatures below 15.5° C (60° F).
    * Improved Oil Pressure Gauge Operation.

Diagnosis:
Operate the power door locks. Iif the rear door lock(s) is inoperative, perform the Repair Procedure.

Special Tools/Equipment Required:
NPN    Battery Charger
CH9401    StarSCAN Tool
CH9404    StarSCAN Vehicle Cable
CH9409    StarSCAN Documentation Kit
CH9410    StarSCAN Ethernet Cable, 12 ft.
CH9412    StarSCAN Software Update Device Kit
     TechCONNECT PC or equivalent
     Latest StarSCAN Software Update CD

Repair Procedure:
USING THE INTERNET TO RETRIEVE THE FLASH FILE:

NOTE: The StarSCANT diagnostic scan tool fully supports Internet connectivity. However, in order to take advantage of this feature you must first configure the StarSCANT for your dealership’s network. For instruction on setting up your StarSCANT for the dealer’s network; refer to the StarSCANT Quick Start Networking Guide available on the www.dcctools.com website under the "download center".

NOTE: If this flash process is interrupted/aborted, the flash should be restarted.

1. Open the hood, install a battery charger and verify that the charging rate provides approximately 13.5 volts.

2. Connect the CH9410 StarSCANT ethernet cable to the StarSCANT and the dealer’s network drop.

3. Connect the CH9404 StarSCANT vehicle cable to the StarSCANT and the vehicle.

4. Power ON the StarSCANT.

5. Retrieve the old ECU part number. Using the StarSCANT at the “Home” screen:

NOTE: If the ECM is not operational, the “ECM part number” can be obtained from the label on the controller. If the label on the controller is not legible, record the “Reference No.” for use later. The “Reference No.” is located in the Reference No. box at the top, center of the Engine Data Plate (Fig. 1). Do not use the reference number shown in the figure. The Engine Data Plate is located on the intake side of the breather cover or affixed to the APPS bracket.

     Fig 1 Engine data plate
Details of flash procedure not posted - The reprogramming procedure requires access to software and equipment that most owners do not have. The very long and involved programming procedure will not be posted here. To see the specific instructions, you can obtain or view a copy of this TSB at your dealership.

NOTE: Due to the ECU programming procedure, a DTC may be set in other modules (TCM, BCM, MIC, SKREEM, etc.) within the vehicle, if so equipped. Some DTC’s may cause the MIL to illuminate. From the “Home” screen select “System View”. Then select “All DTCs”. Press “Clear All Stored DTCs” if there are any DTCs shown on the list.

NOTE: The following step is required by law.

Type the necessary information on the “Authorized Modification Label” p/n 04275086AB and attach near the VECI label (Fig. 2).

FIGURE 2 - AUTHORIZED MODIFICATION LABEL

1 - POWERTRAIN CONTROL MODULE P/N (INSERT P/N) USED
2 - CHANGE AUTHORITY: TSB XX-XXX-XX
3 - DEALER CODE: XXXXX
4 - DATE: XX-XX-XX

Policy:    Reimbursable within the provisions of the warranty.

Failure Code:
ZZ           Service Action