Engine Controls - MIL ON/DTC P2173 Stored In Memory
NUMBER: 18-019-08 REV. AGROUP: Vehicle Performance
DATE: September 11, 2008
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 18-019-08, DATED April 25, 2008, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDE THE ADDITION OF 2007 MODEL YEAR.
THE StarSCAN(R) FLASH FILES FOR THIS BULLETIN MUST BE RETRIEVED FROM THE INTERNET.
StarSCAN(R) SOFTWARE LEVEL MUST BE AT RELEASE 9.02 OR HIGHER.
StarMOBILE DESKTOP CLIENT -OR- StarMOBILE STANDALONE MODE MAY ALSO BE USED TO PERFORM THE FLASH.
SUBJECT:
Flash: MIL Illumination with DTC P2173
OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM).
NOTE:
Vehicles equipped with a CVT transmission must have the transmission control module (TCM) checked for the latest software level whenever the PCM software is updated. If newer TCM software is available, it must be installed. Failure to maintain software coordination may result in MIL illumination or driveability concerns.
MODELS:
**2007** - 2008 (MK49) Compass
**2007** - 2008 (MK74) Patriot
**2007** - 2008 (PM) Caliber
NOTE:
**This Bulletin applies to:
^ 2007 models equipped with a 1.8L, 2.0L or 2.4L (Sales Code EBA, ECN or ED3)
^ **2008 models equipped with a 2.0L or 2.4L engine & automatic CVI2 transmission (Sales Code ECN or ED3 with DAV or DAW) built prior to April 2, 2008 (MDH 0402XX) or 1.8L/2.4L Engine with Manual transmission (Sales Code EBA or ED3 with DD7) built prior to February 3, 2008 (MDHO2O3XX).**
SYMPTOM/CONDITION:
Some customers may experience intermittent MIL illumination with electronic throttle control (ETC) lamp Illumination. This may occur during high vehicle speeds or load conditions. Limp in may occur. If the vehicle ignition is "Keyed off and the vehicle restarted, the vehicle will operate normally. Further investigation by the technician may find DIG P2173 - High Airflow/Vacuum Leak Detected (Slow Accumulation).
DIAGNOSIS:
Using a Scan Tool (StarSCAN(R)) with the appropriate Diagnostic Procedures available in TechCONNECT, verify all engine systems are functioning as designed. If DTC's other than P2173 are present record them on the repair order and repair as necessary before proceeding further with this bulletin.
If the above symptom/condition is experienced and the cause for the condition cannot be determined, perform the Repair Procedure.
PARTS REQUIRED:
SPECIAL TOOLS / EQUIPMENT REQUIRED:
REPAIR PROCEDURE - USING THE INTERNET TO RETRIEVE THE FLASH FILE:
NOTE:
If this flash process is interrupted/aborted, the flash should be restarted.
1. Reprogram the PCM with the latest software. Follow the detailed service procedures available in DealerCONNECT/TechCONNECT, Refer To Group 8 - Electrical > Electronic Control Modules - Service Information > Module - Powertrain Control > Standard Procedures > PCM/ECM Programming - Gas.
2. Type the necessary information on the "Authorized Modification Label" and attach it near the VECI label.
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.