DTC P0154 - Lambda Bank 2 Sensor Heater Status Not Ok🔗
Conditions for Setting DTC P0154🔗
- Engine Running
- Lambda Bank 1 Sensor ≥ 40 volts or ≥ 302 °F
- The above must be present for a period of 128 instances/cycles or greater to trigger DTC P0154
Note
- A short or overcurrent in the heater circuit will also trigger DTC P0154.