18-078-22

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more ofthe following DTCs have been set: P0031 - O2 Sensor 1/1 Heater Circuit Low. U0418 - Implausible Data Received From Brake System Control Module. DTC U0418 can be set erroneously due to a low battery (below 10 volts).