May 28, 2015 Service bulletin

Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the...

Jeep technical service bulletin 18-047-15 for 2015 Jeep Grand Cherokee.

Bulletin number: 18-047-15
Component: Power train: automatic transmission: control module (TCM/PCM/tecm)
Summary: Flash: 3.0L 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 a Malfunction Indicator Lamp (MIL) Illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) stored in the PCM memory. ? P204F-00 - Reductant System Performance ? P20E9-00 - Reductant Pressure Too High ? P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Control ? P2002-00 - Diesel Particulate Filter Efficiency Below Threshold ? P20C2-00 - Reductant Heater 3 Control Circuit Performance ? P2299-00 - Brake Pedal Position/Accelerator Pedal Position Incompatible ? P208B-00 - Reductant Pump 1 Control Performance ? P1288-00 - NOX Sensor 1/2 Zero Offset Too High

Owners of these vehicles have filed 353 complaints in the transmission category.

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