Engine Controls - MAP Sensor Causing DTC's
NUMBER: 18-012-06 REV. AGROUP: Vehicle Performance
DATE: December 19, 2006
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 18-012-06, DATED MARCH 30,2006, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDE ADDITIONAL MODELS.
SUBJECT:
MAP Sensor causing DTC's P0652, P0340, C121C and P2127
OVERVIEW:
This bulletin involves replacing the MAP sensor with an improved part.
MODELS:
**2006 - 2007** (**LX**) 300, Charger, Magnum
**2006 - 2007** (LE) 300, Charger, Magnum
NOTE:
This information applies to LX models (Built In Canada) equipped with a 3.5L engine (Sales Code EGG), built prior to January 31, 2006, (MDH 0131XX) and to LE models (Built In Europe) equipped with a 3.5L engine (Sales Code EGG), built prior to March 8, 2006 (MDH0308XX).
SYMPTOM/CONDITION:
Electrical noise from windshield wiper operation may cause the MAP sensor draw excessive current from the 5 volt supply. This may cause DTC's P0652, P0340, C121C and P2127. None of these DTC's would lead to diagnosing the MAP sensor as the fault. In addition, when this occurs it may cause an engine "limp in" condition which limits the engine RPM.
DIAGNOSIS:
Using a Scan Tool (StarSCAN(R)) with the appropriate Diagnostic Procedures available in TechCONNECT, verify all engine systems are functioning as designed. If the any of the listed DTCs are present, inspect the MAP sensor (Fig. 1). If the MAP sensor is the new style, further diagnosis will be required. If the MAP sensor is the old style, perform the repair procedure.
PARTS REQUIRED:
SPECIAL TOOLS / EQUIPMENT REQUIRED:
REPAIR PROCEDURE
1. Replace the MAP sensor with p/n 05033310AC. Refer to the detailed service information available in TechCONNECT, under: Service Info, 14-Fuel System, Fuel Injection, MAP Sensor, Removal and Installation.
2. Clear any DTC's.
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
FAILURE CODE:
Disclaimer:
This bulletin is supplied as technical information only and is not an authorization for repair.