Flash: MIL Illumination P2251- O2 Sensor 1/1 Negative Current Control Circuit Open and/or P0031- O2 Sensor 1/1 Heater Circuit Low
This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software.
A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Codes
(DTC?s) have been set:
P2251 - O2 Sensor 1/1 Negative Current Control Circuit Open
P0031 - O2 Sensor 1/1 Heater Circuit Low
