18-019-15 REVA

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 of more of the following Diagnostic Trouble Codes (DTCs) set 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. ? P016A-00 - Excessive Time To Enter Closed Loop Air/Fuel Ratio Control. In addition to addressing the above DTCs, the following powertrain system improvements/enhancements are also included in this software release. ? Enhancements to improve A/C compressor relay duty cycle operation to prevent ignition off battery draw. ? Powertrain system improvements to enable EGR cleaning routine.