P1154 HYUNDAI Possible Causes
- Faulty HO2S Sensor, Bank 2 Sensor 1
- Open or short circuit in HO2S Bank 2 Sensor 1 wiring harness
- Poor electrical connection in HO2S Bank 2 Sensor 1 circuit
- Rich or lean air/fuel ratio
- Engine mechanical condition
How to Fix P1154 HYUNDAI Code?
Start by checking the “Possible Causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Check Engine Light on (or Service Engine Soon warning light)
P1154 HYUNDAI Meaning
HO2S 21 Transition Time Ratio Error is the generic description for Hyundai code P1154, but the manufacturer may have a different description for your specific vehicle model and year. Currently, we don’t have more information about Hyundai OBDII code P1154.