P0160 OBD II Trouble Code 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 2)

Detailed information on troubleshooting and repairing a P0160 DTC code which refers to no activity in the number 2 O2 sensor circuit on bank 2. Also includes links to relevant forum topics on the code.

Symptoms of P0160 OBD II Trouble Code

  • MIL (Malfunction Indicator Lamp) on
  • May idle or drive poorly
  • Fuel economy may decrease

Common Causes of P0160 OBD II Trouble Code

  • Holes in exhaust near post cat o2 sensor
  • Bad Bank 2, position 2, o2 sensor
  • Wiring problem, melted harness, broken connectors, etc.
  • Bad PCM