RAM 1500 Van V8-5.2L VIN Y (1999)
PROM - Programmable Read Only Memory: Customer Interest
PCM - Addition of A Clear Flood Feature
NO: 18-37-98
GROUP: Vehicle Performance
DATE: Dec. 18, 1998
SUBJECT:
Addition Of A Clear
Flood Feature
MODELS:
1999
(AB)
Ram Van
1999
(AN)
Dakota
1999
(BR/BE)
Ram Truck
1999
(DN)
Durango
1999
(TJ)
Wrangler
1999
(WJ)
Grand Cherokee
1999
(XJ)
Cherokee
NOTE:
THIS INFORMATION APPLIES TO VEHICLES EQUIPPED WITH GASOLINE ENGINES BUILT PRIOR TO DEC. 18, 1998 (MDH 1218XX).
DISCUSSION:
Some customers that inadvertently flood their engines during starting may try to perform a clear flood (WOT) procedure to help start their vehicle.
Currently this feature is not operational on the above models and if used may worsen the flooded condition.
DIAGNOSIS:
Using the Mopar Diagnostic System (MDS/MDS2) or the Diagnostic Scan Tool (DRB III(R)) with the appropriate Diagnostic Procedures Manual, verify
all engine/transmission systems are functioning as designed. If Diagnostic Trouble Codes (DTC's) are present, record them on the repair order and repair
as necessary before proceeding further with this bulletin. If no DTC's are present and the vehicle was brought in for a flooded condition, perform the
Repair Procedure.
NOTE:
WHENEVER A POWERTRAIN CONTROL MODULE (PCM) IS REPLACED DUE TO FAILURE, THE SOFTWARE OF THE
REPLACEMENT CONTROLLER SHOULD BE VERIFIED FOR THE LATEST REVISION LEVEL. USE THE FLASH PROCEDURE TO
UPDATE REPLACED CONTROLLERS AS NECESSARY.
EQUIPMENT/PARTS REQUIRED:
1
CH6OOO
Scan Tool (DRB III(R))
1
CH7035
General Purpose Interface Bus Cable (GPIB)
1
CH7OOO/7001
J1962 Cable
1
04669020
Label Authorized Software Update
1
04275086
Label - Authorized Modification
NOTE:
THE MDS AND DRB III(R) ARE REQUIRED TO PERFORM THIS REPAIR AND THE SYSTEM MUST BE OPERATING WITH RELEASE
21 OR HIGHER AND TIL CD RELEASE 1175 OR HIGHER MUST BE INSTALLED.
REPAIR PROCEDURE:
This procedure involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software (99cal14 calibration change).
1.
Connect the MDS (Mopar Diagnostic System) and DRB III(R) (Scan Tool) to the vehicle and power them up.
2.
Use the arrow keys and select # 2 CONNECT TO MDS 1 OR MDS 2 on the DRB III(R) MAIN MENU Screen.
3.
Select # 1 MDS DIAGNOSTICS OR DRB UPDATE on the DRB III(R).
4.
Use the arrow keys and select DIAGNOSTIC MENU on the MDS, then press NEXT MENU.