P0156

O2 Sensor Circuit Bank 2 Downstream - Short To Battery.

P0156 - O2 sensor circuit bank 2 downstream sensor.: Last occurrence - plausibility

Possible causes:
1. Short circuit C0606/1 (NW) - battery.

1. Short circuit C0606/1 (NW) - battery.
SHORT_CIRCUIT
Check resistance < 5.0 Ohms.