P0031
Oxygen Sensor Heater Pre Cat Bank 1 Short Circuit To Ground
P0031 - Pre-catalyst oxygen sensor heater bank 1.: Short circuit to ground.
Possible causes:
1. Short circuit C604/1 (UY) - Ground.
2. MS43 ECM.
1. Short circuit C604/1 (UY) - Ground.
SHORT_CIRCUIT
Check resistance < 5.0 Ohms.
2. MS43 ECM.
No detail available for this fault