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TSB 18-011-02 Rev A

Flash: Cold Engine Hesitation

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Date: July 22, 2002

THIS BULLETIN IS BEING PROVIDED IN ADVANCE. THE MDS2 MUST BE OPERATING WITH CIS CD2114 OR HIGHER, AVAILABLE AUGUST 19, 2002.

THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETINS 18-023-01, DATED SEPTEMBER 17, 2001 AND TSB 18-011-02 DATED FEBRUARY 25, 2002, BOTH OF WHICH SHOULD BE REMOVED FROM YOUR FILES.

Models: 2000 - 2001 (BR) Ram Truck 1500

NOTE: THIS BULLETIN APPLIES TO 2000-2001 (BR) RAM TRUCKS EQUIPPED WITH A 5.2L ENGINE AND MANUAL TRANSMISSION (ELF).

Overview:
This bulletin involves selectively erasing and reprogramming the JTEC Powertrain Control Module (PCM) with new software (00Cal17A, 01Cal02, and 01Cal14D).

Symptom/Condition:
Some engines may exhibit a hesitation upon acceleration after a cold start up (vehicle at ambient temperature.)

NOTE: CUSTOMERS SHOULD BE MADE AWARE THAT THIS ACTION REQUIRES ELIMINATION OF THE SHIFT INDICATOR LIGHT (SIL). THERE WILL BE NO OTHER EFFECT ON VEHICLE OPERATION OR PERFORMANCE OTHER THAN THE ELIMINATION OF THE COLD HESITATION CONDITION. THE SIL WILL STILL BE VISIBLE DURING THE IGNITION START UP BULB CHECK SEQUENCE.

Equipment Required:
CH6000 Scan Tool (DRB III)
CH7035 General Purpose Interface Bus Cable (GPIB)
CH7000/7001 J1962 Cable
  MDS2

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

Repair Procedure: 

1.    Connect the battery to a charger and charge to 14 volts.

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:  08-19-47-91  Preprogram Powertrain Control Module ....................0.5 Hrs.

Failure Code:  FM - Flash Module


I would like to thank Bob Bergevin, Arthur Cantrall, Barry Drodge, David Lovell, Bill Maurits, and Steve for supplying the information for these bulletins. And a big thank you goes to Geno's Garage for making DodgeRam.info possible.

 

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This page was edited on: May 3, 2004