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Jeep TSB #18-064-16
2012 Jeep Compass
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- Flash: Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set: · **U0140 - Lost Communication With Body Control Module (TIPM).** · P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1. **The following software enhancements are also available: · Cruise control enhancements. · Engine is hard to start at temperatures -29°C (-20°F) for vehicles utilizing E15 fuel only.** In addition, customers may report that the vehicle has failed the emissions certification test. Upon further investigation, it may be found that the Individual Cylinder Fuel Control (ICFC) monitors are reporting as failing to the scan tool even though the monitors have actually passed.
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