Possible Causes
NOTE:
- Circuit reference - IC_COOLANT_PMP_CTRL -
- Circuit reference - BOOST_PRESS_SENSOR_TEMP_SIG -
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Battery disconnection resulting in errors in engine off time (short soaks may look like long soaks)
- Electric block heater applied and not detected
- Fuse failure
- Temperature and manifold absolute pressure sensor circuit, short circuit to ground, short circuit to power, open circuit, high resistance
- Temperature and manifold absolute pressure sensor failure
- Air charge coolant pump and control circuit, short circuit to ground, short circuit to power, open circuit, high resistance
- Air charge coolant pump relay failure
- Air charge coolant pump failure