Engine Controls - False MIL ON/False DTC's Set
NUMBER: 18-032-02GROUP: Vehicle Performance
DATE: Oct. 21, 2002
THIS BULLETIN IS BEING PROVIDED IN ADVANCE. THE MDS2 MUST BE OPERATING WITH CIS CD2120 OR HIGHER, AVAILABLE NOVEMBER 11, 2002.
SUBJECT:
Flash: Erroneous MIL Illumination - Erroneous Diagnostic Trouble Codes (DTC's)
OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with revised software.
MODELS:
2003 (LH) 300M/Concorde/Intrepid
NOTE:
THIS INFORMATION APPLIES TO VEHICLES EQUIPPED WITH A NEXT GENERATION CONTROLLER (NGC) POWERTRAIN CONTROL MODULE (PCM) BUILT PRIOR TO OCTOBER 15, 2002 (MDH1015XX).
SYMPTOM/CONDITION:
The Malfunction Indicator Lamp (MIL) may illuminate due to erroneous detection DTCs. DTCs that may or may not be present are shown.
DIAGNOSIS:
Using a Scan Tool (DRB III(R)) with the appropriate Diagnostic Procedures Manual, verify all engine systems are functioning as designed. If DTCs are present, other than those listed above, record them on the repair order and repair as necessary before proceeding further with this bulletin. If the Symptom/Condition is present, perform the Repair Procedure.
PARTS REQUIRED
EQUIPMENT REQUIRED
REPAIR PROCEDURE:
1. Connect a battery charger and set as close to 14 volts as possible.
2. Flash the PCM using the MDS2(R) and DRB III(R) (Scan Tool).
NOTE:
DUE TO THE PCM REPROGRAMMING PROCEDURE, A DTC MAY BE SET IN OTHER MODULES (TCM, 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 p/n 04669020 (Fig. 1) Attach the label to the PCM and cover the label with the clear plastic overlay.
4. Type the necessary information on the 1tAuthorized Modification Label" p/n 04275086AB (Fig. 2), and attach the label near the VECI label.
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE
FAILURE CODE