B2461 – Auxiliary Heater Flame Sensor Circuit Open

B2461 Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

B2461 Possible Causes

Faulty Auxiliary Heater Flame Sensor,Auxiliary Heater Flame Sensor harness is open or shorted,Auxiliary Heater Flame Sensor circuit poor electrical connection

B2461 Description

The Powertrain Control Module (PCM) monitors the Auxiliary Heater Flame Sensor. The PCM sets the OBDII code when the Auxiliary Heater Flame Sensor is not to factory specifications.