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TSB 18-036-02

Note: Superseded by Recall C17.  Left for reference only

SUBJECT: Flash: Update to Transmission OBDII calibrations

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Date: Dec. 6, 2002

THIS BULLETIN IS BEING PROVIDED IN ADVANCE. THE MDS2 MUST BE OPERATING WITH CIS CD2123 OR HIGHER, AVAILABLE DECEMBER 23, 2002.

Models: 2003 (DR) Ram Pickup

NOTE: THE BULLETIN APPLIES TO VEHICLES EQUIPPED WITH A 5.9L 24-VALVE DIESEL ENGINE (SALES CODES ETC, OR ETH) AND 47RE AUTOMATIC TRANSMISSION (SALES CODE DGP) AND BUILT BEFORE SEPTEMBER 25, 2002.

Overview:

This bulletin involves selectively erasing and reprogramming the JTEC Powertrain Control Module (PCM) with new software (03CAL17A).

Symptom/Condition:
Customers with California emission vehicles may complain the vehicle will not shift out of 1st gear or is stuck in 3rd gear. No Diagnostic Trouble Code (DTC) will be generated and no MIL illumination will occur.

Diagnosis:
If the vehicle is equipped with a Cummins Diesel engine, 47RE Automatic Transmission, and was built before September 25, 2002, perform the Repair Procedure.

Parts Required:

Qty.	Part No.	Description
1	04669020	Label,   Authorized Software Update
1	04275086AB	Label,   Authorized Modification

Equipment Required:

NPN	Battery Charger
CH6000	Scan Tool (DRB III)
CH7035	General Purpose Interface Bus Cable (GPIB)
CH7000/7001	J1962 Cable
	MDS2 (Mopar DiagnosticSystem)

Repair Procedure:

NOTE: WHENEVER A PCM/TCM IS REPLACED OR REPROGRAMMED, THE SOFTWARE IN THE CONTROLLER AND DRBIII® MUST BE VERIFIED AS HAVING THE LATEST REVISION LEVEL.

1.    Connect the battery to a charger and set as close to 14 volts as possible.

2.    Flash the controller using the MDS2 (Mopar Diagnostic System) and DRBIII.

NOTE: DUE TO THE PCM REPROGRAMMING PROCEDURE, A DTC MAY BE SET IN OTHER MODULES (EATX, BCM, MIC, SKIM, ETC.) WITHIN THE VEHICLE, IF SO EQUIPPED. SOME DTC'S MAY CAUSE THE MIL TO ILLUMINATE. ALL DTC'S RELATE TO A LOSS OF COMMUNICATIONS WITH THE MODULE THAT IS BEING REPROGRAMMED. CHECK ALL MODULES, RECORD THE FAULTS, AND ERASE THESE FAULTS PRIOR TO RETURNING THE VEHICLE TO THE CUSTOMER. ERASE ANY FAULTS IN THE PCM ONLY AFTER ALL OTHER MODULES HAVE HAD THEIR FAULTS ERASED.

NOTE: THE FOLLOWING STEPS ARE REQUIRED BY LAW.

3.    Type the necessary information on the "Authorized Software Update Label" p/n 04669020 (Figure 1). Attach the label to the PCM and cover the label with the clear plastic overlay.

 4.  Type or print the following information on the "Authorized Modification Label" P/N 04275086AB and attach the label near the VECI label (Fig 2).

Policy:    Reimbursable within the provisions of the warranty.

Time Allowance:
Labor Operation No:  08-19-46-96   Reprogram Powertrain Control Module ...............0.5 Hrs.

Failure Code:  FM - Flash Module

Note: Superseded by Recall C17.  Left for reference only

This page was edited on: May 3, 2004