Concorde V6-215 3.5L SOHC (1996)
Technical Service Bulletin # 18-35-96
Date: 961227
PCM - False MIL With Hex Code #58
NO: 18-35-96
GROUP: Vehicle Performance
DATE: Dec. 27, 1996
SUBJECT:
Erroneous MIL Illumination With Hex Code $58,
Elimination of Erroneous PCM Reset
MODELS:
1996 - 1997 (LH) Concorde/Intrepid/Vision/LHS/New Yorker
NOTE:
THIS BULLETIN APPLIES TO ALL 1996 VEHICLES WITH 3.5L ENGINES AND 1997 VEHICLES WITH 3.5L ENGINES BUILT PRIOR TO
NOVEMBER 29, 1996 (MDH 11-29-XX).
SYMPTOM/CONDITION:
1.
Erroneous MIL illumination with DTCs MANIFOLD TUNE VALVE SOLENOID CIRCUIT - Hex $58.
2.
Engine stumble or miss at idle or open throttle at 2 minute intervals. This condition can only occur after a fuel system (rich/lean) fault (MIL) has
been set and the condition corrects itself after 3 good OBD II trips or a technician makes repairs and does not erase the faults. The stumble occurs
after 3 good OBD II defined trips at which time the engine control module does a reset every 2 minutes during a drive cycle.
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 and any of the above symptoms have been experienced,
perform the Repair Procedure.
EQUIPMENT REQUIRED
All Symptoms (Flash Programming)
1
CH6000
Scan Tool (DRB III)
1
CH7035
General Purpose Interface Bus Cable (GPIB)
1
CH7000
J1962 Cable
1
4669020
Label - Authorized Software Update
1
4275086
Label - Authorized Modification
1
5234217
Solenoid, Manifold Tuning Valve (if required)
NOTE:
THE MDS AND DRB III ARE REQUIRED TO PERFORM THIS REPAIR AND THE SYSTEM MUST BE OPERATING WITH RELEASE 21
OR HIGHER AND TIL CD RELEASE 1123 OR HIGHER MUST BE INSTALLED.
POLICY: Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation No:
08-19-46-99
0.5 Hrs.
25-01-49-90
0.2 Hrs.
FAILURE CODE:
FM - Flash Module
P8 - New Part
Repair Procedure
This repair involves testing the manifold tuning valve solenoid, replacing it if necessary and selectively erasing and reprogramming the Powertrain
Control Module (PCM) with new software (calibration changes) for all conditions listed.
