DTC P017B-84: Cylinder Head Temperature Sensor Circuit Range/Performance - Signal below allowable range: Action
NOTE:
To validate the repair, clear the DTCs and perform a road test that consists of three drive cycles (engine on/off).
- Check the cooling system for leaks. Rectify as necessary
- Refer to the appropriate System Wiring Diagram(s) and check the cylinder head temperature sensor signal circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness or install a new cylinder head temperature sensor as necessary
- Check the operation of the thermostat. Rectify as necessary
- Check the operation of the cooling fan. Rectify as necessary