P1168 – Hyundai DTC

Hyundai DTC P1168 – Heated oxygen sensor (H02S) 2, bank 1, heater control – circuit malfunction

DTC P1168 meaning on Hyundai

1. DTC P1168 refers to a diagnostic trouble code related to the Heated Oxygen Sensor (HO2S) 2, Bank 1, Heater Control Circuit malfunction in Hyundai vehicles.

Hyundai DTC P1168 symptoms

1. Check Engine Light (CEL) illuminated on the dashboard.
2. Poor fuel economy.
3. Engine may run rough or hesitate during acceleration.

Hyundai DTC P1168 causes

1. Faulty Heated Oxygen Sensor (HO2S) 2.
2. Issues with the heater control circuit of the HO2S 2.
3. Wiring or connector problems in the circuit.

Hyundai DTC P1168 seriousness

1. If left unresolved, DTC P1168 can lead to decreased fuel efficiency and potential damage to the catalytic converter.

How to diagnose DTC P1168 on Hyundai

1. Use an OBD-II scanner to retrieve the specific fault code.
2. Inspect the wiring and connectors related to the HO2S 2 heater circuit for any visible damage or corrosion.
3. Test the HO2S 2 heater circuit for proper voltage and continuity.

How to fix DTC P1168 on Hyundai

1. Replace the faulty Heated Oxygen Sensor (HO2S) 2 if necessary.
2. Repair any damaged wiring or connectors in the heater circuit.
3. Clear the fault code using an OBD-II scanner after completing the repairs.

How to erase DTC P1168 on Hyundai

1. After fixing the underlying issue causing DTC P1168, use an OBD-II scanner to clear the trouble code from the vehicle’s memory.