P0162
O2 Sensor Circuit Bank 2 Sensor 3
P0162 is an OBD-II diagnostic trouble code meaning: O2 Sensor Circuit Bank 2 Sensor 3. Common causes: open or short circuit in the oxygen sensor circuit, oxygen sensor malfunction (bank 2, sensor 3). Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Deteriorating fuel economy
- Reduced catalytic converter efficiency
Causes
- Open or short circuit in the oxygen sensor circuit
- Oxygen sensor malfunction (Bank 2, Sensor 3)
- Wiring harness damage
- Malfunction of the catalytic converter
- Problems with power or grounding of the sensor
How to Fix
- Check the integrity of the sensor wiring harness
- Check the connections and contacts of the sensor
- Test the oxygen sensor with a multimeter
- If necessary, replace the oxygen sensor
- Check the condition of the catalytic converter
Related codes
Error P0162 by Vehicle Brand
FAQ
What does the P0162 code mean?
P0162 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Circuit Bank 2 Sensor 3
What causes a P0162 error code?
The most common causes of P0162 include: Open or short circuit in the oxygen sensor circuit; Oxygen sensor malfunction (Bank 2, Sensor 3); Wiring harness damage; Malfunction of the catalytic converter.
How do I fix a P0162 diagnostic trouble code?
To fix P0162: Check the integrity of the sensor wiring harness. Check the connections and contacts of the sensor. Test the oxygen sensor with a multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0162?
Limited driving only, diagnose soon
How much does it cost to fix P0162?
The estimated repair cost for P0162 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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