18-048-15 REVA

Flash: 2.4L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience the following symptoms below or a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs). ? P0133 - O2 Sensor 1/1 Slow Response. ? P0506 - Idle Speed Performance Lower Than Expected. ? P0507 - Idle Speed Performance Higher Than Expected. ? U0402 - Implausible Data Received From TCM. ? P0171 - Fuel System 1/1 Lean. ? P050D - Cold Start Rough Idle. ? Increased RPM on start up. ? Reduced RPM when shifted into drive or reverse when cold.