MIL ON - Erroneously, DTC Hex #2E Set
NO: 18-01-97GROUP: Vehicle Performance
DATE: Jan. 17, 1997
SUBJECT:
Erroneous MIL Illumination
With Hex Code $2e - EGR
SYSTEM FAILURE
NOTE:
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 18-21-95, DATED JUL. 14, 1995, WHICH SHOULD BE REMOVED FROM YOUR FILES AND NOTED IN THE 1995 TECHNICAL SERVICE BULLETIN MANUAL (PUBLICATION NO. 81-699-96084). THE ENGINE APPLICATIONS HAVE BEEN REVISED.
MODELS:
1993 - 1995 (AA) Spirit/Acclaim/LeBaron Sedan
1993 (AC) Dynasty/New Yorker/New Yorker Salon
1993 (AG) Daytona
1993 - 1995 (AJ) LeBaron Coupe/LeBaron Convertible
1993 - 1994 (AP) Shadow/Shadow Convertible/Sundance
1993 - 1995 (AS) Town & Country/Caravan/Voyager
1993 (AY) Imperial/New Yorker Fifth Avenue
1994 - 1995 (ES) Chrysler Voyager (European Market)
NOTE:
THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH A 3.0L, 3.3L, OR 3.8L ENGINE APPLICATION.
SYMPTOM/CONDITION:
1. Erroneous MIL illumination with DTC Hex $2e - EGR SYSTEM FAILURE - in ambient temperatures below 40° F.
DIAGNOSIS:
Using the Mopar Diagnostic System (MDS) or the Diagnostic Scan Tool (DRB III) with the appropriate Diagnostic Procedures Manual, verify all engine 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 other than those listed above are present, perform the Repair Procedure.
EQUIPMENT REQUIRED:
All Symptoms (Flash Programming)
1 CH6OOO Scan Tool (DRB III)
1 CH7035 General Purpose Interface Bus Cable (GPIB)
1 CH7OOO/7001 J1962 Cable
1 4669020 Label - Authorized Software Update
1 4275086 Label - Authorized Modification
NOTE:
THE MDS AND DRBIII ARE REQUIRED TO PERFORM THIS REPAIR AND THE SYSTEM MUST BE OPERATING WITH RELEASE 21 OR HIGHER AND TIL CD RELEASE 1124 OR HIGHER MUST BE INSTALLED.
REPAIR PROCEDURE:
This repair involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software (calibration changes) for all conditions listed.
1. Connect the MDS (Mopar Diagnostic System) and DRB III (Scan Tool) to the vehicle and power them up.
2. Use the arrow keys and select # 2 MDS DIAGNOSTICS on the DRB III MAIN MENU Screen.
3. Use the arrow keys and select DIAGNOSTIC MENU on the MDS, then press NEXT MENU.
4. Use the arrow keys and select VEHICLE CONTROLLER PROGRAMMING on the MDS, then press NEXT MENU.
5. Use the arrow keys and select PROGRAMMING OF ALL OTHER CONTROLLERS USING MDS & DRBIII on the MDS, then press NEXT MENU.
6. Follow the steps presented on the MDS and DRB III which will allow the DRB III to obtain the current part number of the PCM.
7. The MDS will display the part number of the PCM on the vehicle and the appropriate replacement part number, then press NEXT MENU to begin programming.
If the PCM on the vehicle has already been updated or programmed, a NO UPDATES AVAILABLE message will be displayed. Check the part number of the PCM on the vehicle and compare it to the part number displayed. If the PCM has already been updated, then another condition exists that will require further diagnosis and repair.
8. The MDS and DRB III will prompt for any operator action needed during the remainder of the programming process.
NOTE:
THE FOLLOWING STEPS ARE REQUIRED BY LAW.
9. Type the necessary information on the "Authorized Software Update Label" p/n 4669020. Attach the label to the PCM and cover the label with the clear plastic overlay.
10. Type the necessary information on the Authorized Modification Label and attach the label near the VECI Label.
POLICY: Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation No: 08-19-47-93 0.5 Hrs.
FAILURE CODE: FM - Flash Module