PCM - Erroneous EGR System Codes Set
NO: 18-19-96GROUP: Vehicle Performance
DATE: Jul. 12, 1996
SUBJECT:
Erroneous "EGR System Monitor"
or "No EATX CCD Messages"
Diagnostic Trouble Code (DTC)
MODELS:
1996 (FJ) Avenger/Sebring Coupe
1996 (JA) Breeze/Cirrus/Stratus
1996 (JX) Sebring Convertible
1996 (LH) Concorde/Intrepid/Vision/LHS/ New Yorker
NOTE:
THIS BULLETIN APPLIES TO VEHICLES AS INDICATED:
FJ: ALL 1996 EQUIPPED WITH 2.5L ENGINE
JA: BUILT BEFORE MAY 23, 1996 (MDH 05-23-XX)
JX: BUILT BEFORE JUN. 18, 1996 (MDH 06-18-XX)
LH: BUILT BEFORE MAY 28, 1996 (MDH 05-28-XX)
SYMPTOM/CONDITION:
Some vehicles may develop erroneous On Board Diagnostics TI (OBDII) "EGR System Monitor" DTC (Hex Code 2E) when ambient temperature is less than 320 F. or "No EATX CCD Messages" DTC (Hex Code 60).
DIAGNOSIS:
Using the Mopar Diagnostic System (MDS) or the DRB TI (Scan Tool) and appropriate Diagnostic Procedure Manual, verify that all engine systems are functioning correctly. If Diagnostic Trouble Codes (DTC's) are present, record them on the repair order and repair as necessary before proceeding with this bulletin. If any of the above conditions exist, perform the Repair Procedure.
NOTE:
THIS BULLETIN WILL NOT CORRECT "EGR SYSTEM MONITOR" DTC's (HEX CODE 2E) IN AMBIENT TEMPERATURES ABOVE FREEZING.
EQUIPMENT/PARTS REQUIRED:
1 CH6OOO Scan Tool (DRB III
1 CH7035 General Purpose Interface Bus Cable (GPIB)
1 CH7OOO J1962 Cable
1 4669020 Label - Authorized Software Update
1 4275086 Label - Authorized Modification
REPAIR PROCEDURE:
This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software (calibration change).
NOTE:
MDS AND DRBIII ARE REQUIRED TO PERFORM THE FOLLOWING REPAIR. MDS MUST BE OPERATING WITH RELEASE 20 OR HIGHER AND TIL 1111 OR HIGHER INSTALLED.
1. Connect the MDS to the DRBIII and connect the DRBIII to the vehicle 16-way Data Link Connector (DLC) and power them up.
2. Use the arrow keys and select # 2 MDS DIAGNOSTICS on the DRBIII 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 WITH MDS AND DRBIII on the MDS, then press NEXT MENU.
6. Follow the steps presented on the MDS and DRBIII which will allow the DRBIII 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 a system problem exists and should be corrected.
8. The MDS and DRBIII 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 a clear plastic overlay.
10. Type the necessary information on the Authorized Modification Label and attach the label near the under hood Vehicle Emission Control Information (VECI) Label.
POLICY: Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation No: 08-19-45-93 0.5 Hrs.
FAILURE CODE: FM - Flash Module