April 1, 2016 Service bulletin

Flash: 3.8L Diagnostic And System Improvements software

Jeep technical service bulletin 18-024-16 REV. A for 2010-2011 Jeep Wrangler.

Bulletin number: 18-024-16 REV. A
Component: Electrical system
Summary: Flash: 3.8L Diagnostic And System Improvements software. The customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Code (DTC): · U0140 Lost Communication With Body Control Module. Attempting to clear the DTC may be unsuccessful. Other enhancements included in this update: · Improved fuel pump relay operation. · Improved remote start time after key activation. · Improved Automatic Shutdown Relay (ASD) timer calibration.

Owners of these vehicles have filed 169 complaints in the electrical category.

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