P0050

Oxygen Sensor Heater Pre Cat Bank 2 Open Circuit

P0050 - Pre-catalyst oxygen sensor heater bank 2.: Open circuit or No signal.

Possible causes:
1. Connector MS43 ECM C604, Oxy Sensor Pre Cat Bank 2 C645, Engine Fusebox C578.
2. Open circuit C578/11 (YG) - C645/3 (YG).
3. Open circuit C604/13 (GY) - C645/4 (GY).
4. Engine compartment fusebox Fuse 3.
5. Oxygen sensor pre catalyst bank 2.
6. MS43 ECM.

1. Connector MS43 ECM C604, Oxy Sensor Pre Cat Bank 2 C645, Engine Fusebox C578.
CONNECTOR
Check for connector not correctly latched, backed out pins, damaged pins, corroded pins

2. Open circuit C578/11 (YG) - C645/3 (YG).
OPEN_CIRCUIT
Check resistance > 1M Ohms.

3. Open circuit C604/13 (GY) - C645/4 (GY).
OPEN_CIRCUIT
Check resistance > 1M Ohms.

4. Engine compartment fusebox Fuse 3.
No detail available for this fault

5. Oxygen sensor pre catalyst bank 2
No detail available for this fault

6. MS43 ECM.
No detail available for this fault