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P0154



O2 Sensor Circuit Bank 2 Upstream - Open Circuit.

P0154 - O2 sensor circuit bank 2 upstream sensor.: Last occurrence - signal fault

Possible causes:
1. Short circuit C0606/10 (YR) - C0645/3 (YR).
2. Connectors C0606, C0645.
3. O2 Sensor.

1. Short circuit C0606/10 (YR) - C0645/3 (YR).
OPEN_CIRCUIT
Check resistance > 1M Ohms.

2. Connectors C0606, C0645.
CONNECTOR
Check for connector not correctly latched, backed out pins, damaged pins, corroded pins

3. O2 Sensor.
No detail available for this fault