B2468 – Auxiliary Heater Coolant Pump Circuit Short to Ground

B2468 Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

B2468 Possible Causes

Faulty Auxiliary Heater Coolant Pump,Auxiliary Heater Coolant Pump harness is open or shorted,Auxiliary Heater Coolant Pump circuit poor electrical connection

B2468 Description

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