18-059-16

Flash: Powertrain Diagnostic And System Enhancements 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).** · P0032 - O2 Sensor 1/1 Heater Circuit High. · P0038 - O2 Sensor 1/2 Heater Circuit High. · P0052 - O2 Sensor 2/1 Heater Circuit High. · P0058 - O2 Sensor 2/2 Heater Circuit High. · P0031 - O2 Sensor 1/1 Heater Circuit Low. · P0037 - O2 Sensor 1/2 Heater Circuit Low. · P0051 - O2 Sensor 2/1 Heater Circuit Low. · P0057 - O2 Sensor 2/2 Heater Circuit Low. · P0344 - Camshaft Position Sensor Intermittent - Bank 1 Sensor 1. · P0349 - Camshaft Position Sensor Circuit Intermittent - Bank 2 Sensor 1. · P0369 - Camshaft Position Sensor Intermittent - Bank 1 Sensor 2. · P0394 - Bank 2 Camshaft Position Sensor 2/2 Circuit Intermittent.